# Auto-generated repositories
from __future__ import annotations

from base_repository import BaseRepository
from decimal import Decimal
from entities import (
    Organization,
    OrganizationInvite,
    OrganizationMember,
    OrganizationProject,
    Project,
    ProjectMilestone,
    ProjectTask,
    Task,
    TaskComment,
    UserTask,
)


class OrganizationRepository(BaseRepository[Organization]):
    """Repository for Organization entity operations"""

    def __init__(self, table_name: str = 'OrganizationTable'):
        super().__init__(Organization, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_organization(self, organization: Organization) -> Organization:
        """Create a new organization"""
        return self.create(organization)

    def get_organization(self, org_id: str) -> Organization | None:
        """Get a organization by key"""
        pk = Organization.build_pk_for_lookup(org_id)
        sk = Organization.build_sk_for_lookup()
        return self.get(pk, sk)

    def update_organization(self, organization: Organization) -> Organization:
        """Update an existing organization"""
        return self.update(organization)

    def delete_organization(self, org_id: str) -> bool:
        """Delete a organization"""
        pk = Organization.build_pk_for_lookup(org_id)
        sk = Organization.build_sk_for_lookup()
        return self.delete(pk, sk)

    def put_organization(self, organization: Organization) -> Organization | None:
        """Put (upsert) new organization"""
        # TODO: Implement Access Pattern #2
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=organization.model_dump())
        # return organization
        pass

    def update_organization_plan(
        self, org_id: str, plan_type: str, max_users: int, max_projects: int
    ) -> Organization | None:
        """Update organization subscription plan"""
        # TODO: Implement Access Pattern #3
        # Operation: UpdateItem | Index: Main Table
        #
        # Main Table UpdateItem Example:
        # Key Building:
        # - PK is built from: org_id (template: ORG#{org_id})
        # - SK is built from:  (template: DETAILS)
        # pk = Organization.build_pk_for_lookup(org_id)
        # sk = Organization.build_sk_for_lookup()
        #
        # Update field parameter(s): plan_type, max_users, max_projects
        #
        # current_item = self.get(pk, sk)
        # if not current_item:
        #     raise RuntimeError(f"{self.model_class.__name__} not found")
        # current_version = current_item.version
        # next_version = current_version + 1
        # response = self.table.update_item(
        #     Key={'pk': pk, 'sk': sk},
        #     UpdateExpression='SET #field = :val, version = :new_version',
        #     ConditionExpression='version = :current_version',
        #     ExpressionAttributeNames={'#field': 'field_to_update'},
        #     ExpressionAttributeValues={':val': <update_param>, ':current_version': current_version, ':new_version': next_version},
        #     ReturnValues='ALL_NEW'
        # )
        # return self.model_class(**response['Attributes'])
        pass


class OrganizationInviteRepository(BaseRepository[OrganizationInvite]):
    """Repository for OrganizationInvite entity operations"""

    def __init__(self, table_name: str = 'OrganizationTable'):
        super().__init__(OrganizationInvite, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_organization_invite(
        self, organization_invite: OrganizationInvite
    ) -> OrganizationInvite:
        """Create a new organization_invite"""
        return self.create(organization_invite)

    def get_organization_invite(self, org_id: str, invite_id: str) -> OrganizationInvite | None:
        """Get a organization_invite by key"""
        pk = OrganizationInvite.build_pk_for_lookup(org_id)
        sk = OrganizationInvite.build_sk_for_lookup(invite_id)
        return self.get(pk, sk)

    def update_organization_invite(
        self, organization_invite: OrganizationInvite
    ) -> OrganizationInvite:
        """Update an existing organization_invite"""
        return self.update(organization_invite)

    def delete_organization_invite(self, org_id: str, invite_id: str) -> bool:
        """Delete a organization_invite"""
        pk = OrganizationInvite.build_pk_for_lookup(org_id)
        sk = OrganizationInvite.build_sk_for_lookup(invite_id)
        return self.delete(pk, sk)

    def get_organization_invites(
        self,
        org_id: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[OrganizationInvite], dict | None]:
        """Get pending invites for organization

        Args:
            org_id: Org id
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #7
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = OrganizationInvite.build_pk_for_lookup(org_id)
        # Note: Item collection detected - multiple entities share PK "ORG#{org_id}"
        # Use begins_with('INVITE#') to filter for only OrganizationInvite items
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').begins_with('INVITE#'),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def put_organization_invite(
        self, invite: OrganizationInvite, inviter: OrganizationMember
    ) -> OrganizationInvite | None:
        """Put (upsert) organization invite with member reference"""
        # TODO: Implement Access Pattern #8
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=organization_invite.model_dump())
        # return organization_invite
        pass


class OrganizationMemberRepository(BaseRepository[OrganizationMember]):
    """Repository for OrganizationMember entity operations"""

    def __init__(self, table_name: str = 'OrganizationTable'):
        super().__init__(OrganizationMember, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_organization_member(
        self, organization_member: OrganizationMember
    ) -> OrganizationMember:
        """Create a new organization_member"""
        return self.create(organization_member)

    def get_organization_member(self, org_id: str, user_id: str) -> OrganizationMember | None:
        """Get a organization_member by key"""
        pk = OrganizationMember.build_pk_for_lookup(org_id)
        sk = OrganizationMember.build_sk_for_lookup(user_id)
        return self.get(pk, sk)

    def update_organization_member(
        self, organization_member: OrganizationMember
    ) -> OrganizationMember:
        """Update an existing organization_member"""
        return self.update(organization_member)

    def delete_organization_member(self, org_id: str, user_id: str) -> bool:
        """Delete a organization_member"""
        pk = OrganizationMember.build_pk_for_lookup(org_id)
        sk = OrganizationMember.build_sk_for_lookup(user_id)
        return self.delete(pk, sk)

    def get_organization_members(
        self,
        org_id: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[OrganizationMember], dict | None]:
        """Get all members of an organization

        Args:
            org_id: Org id
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #4
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = OrganizationMember.build_pk_for_lookup(org_id)
        # Note: Item collection detected - multiple entities share PK "ORG#{org_id}"
        # Use begins_with('MEMBER#') to filter for only OrganizationMember items
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').begins_with('MEMBER#'),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def add_organization_member(self, member: OrganizationMember) -> OrganizationMember | None:
        """Add member to organization"""
        # TODO: Implement Access Pattern #5
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=organization_member.model_dump())
        # return organization_member
        pass

    def update_member_role(
        self, org_id: str, user_id: str, role: str, permissions: list[str]
    ) -> OrganizationMember | None:
        """Update member role and permissions"""
        # TODO: Implement Access Pattern #6
        # Operation: UpdateItem | Index: Main Table
        #
        # Main Table UpdateItem Example:
        # Key Building:
        # - PK is built from: org_id (template: ORG#{org_id})
        # - SK is built from: user_id (template: MEMBER#{user_id})
        # pk = OrganizationMember.build_pk_for_lookup(org_id)
        # sk = OrganizationMember.build_sk_for_lookup(user_id)
        #
        # Update field parameter(s): role, permissions
        #
        # current_item = self.get(pk, sk)
        # if not current_item:
        #     raise RuntimeError(f"{self.model_class.__name__} not found")
        # current_version = current_item.version
        # next_version = current_version + 1
        # response = self.table.update_item(
        #     Key={'pk': pk, 'sk': sk},
        #     UpdateExpression='SET #field = :val, version = :new_version',
        #     ConditionExpression='version = :current_version',
        #     ExpressionAttributeNames={'#field': 'field_to_update'},
        #     ExpressionAttributeValues={':val': <update_param>, ':current_version': current_version, ':new_version': next_version},
        #     ReturnValues='ALL_NEW'
        # )
        # return self.model_class(**response['Attributes'])
        pass


class OrganizationProjectRepository(BaseRepository[OrganizationProject]):
    """Repository for OrganizationProject entity operations"""

    def __init__(self, table_name: str = 'ProjectTable'):
        super().__init__(OrganizationProject, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_organization_project(
        self, organization_project: OrganizationProject
    ) -> OrganizationProject:
        """Create a new organization_project"""
        return self.create(organization_project)

    def get_organization_project(
        self, org_id: str, created_at: str, project_id: str
    ) -> OrganizationProject | None:
        """Get a organization_project by key"""
        pk = OrganizationProject.build_pk_for_lookup(org_id)
        sk = OrganizationProject.build_sk_for_lookup(created_at, project_id)
        return self.get(pk, sk)

    def update_organization_project(
        self, organization_project: OrganizationProject
    ) -> OrganizationProject:
        """Update an existing organization_project"""
        return self.update(organization_project)

    def delete_organization_project(self, org_id: str, created_at: str, project_id: str) -> bool:
        """Delete a organization_project"""
        pk = OrganizationProject.build_pk_for_lookup(org_id)
        sk = OrganizationProject.build_sk_for_lookup(created_at, project_id)
        return self.delete(pk, sk)

    def get_organization_projects(
        self,
        org_id: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[OrganizationProject], dict | None]:
        """Get all projects for an organization (sorted by creation date)

        Args:
            org_id: Org id
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #14
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = OrganizationProject.build_pk_for_lookup(org_id)
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').eq(sk),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def add_project_to_organization(
        self, org_project: OrganizationProject, organization: Organization, project: Project
    ) -> OrganizationProject | None:
        """Add project to organization index with cross-table references"""
        # TODO: Implement Access Pattern #15
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=organization_project.model_dump())
        # return organization_project
        pass


class ProjectRepository(BaseRepository[Project]):
    """Repository for Project entity operations"""

    def __init__(self, table_name: str = 'ProjectTable'):
        super().__init__(Project, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_project(self, project: Project) -> Project:
        """Create a new project"""
        return self.create(project)

    def get_project(self, project_id: str) -> Project | None:
        """Get a project by key"""
        pk = Project.build_pk_for_lookup(project_id)
        sk = Project.build_sk_for_lookup()
        return self.get(pk, sk)

    def update_project(self, project: Project) -> Project:
        """Update an existing project"""
        return self.update(project)

    def delete_project(self, project_id: str) -> bool:
        """Delete a project"""
        pk = Project.build_pk_for_lookup(project_id)
        sk = Project.build_sk_for_lookup()
        return self.delete(pk, sk)

    def put_project(self, project: Project, organization: Organization) -> Project | None:
        """Put (upsert) new project with organization reference"""
        # TODO: Implement Access Pattern #10
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=project.model_dump())
        # return project
        pass

    def update_project_status(
        self, project_id: str, status: str, updated_at: str
    ) -> Project | None:
        """Update project status and progress"""
        # TODO: Implement Access Pattern #11
        # Operation: UpdateItem | Index: Main Table
        #
        # Main Table UpdateItem Example:
        # Key Building:
        # - PK is built from: project_id (template: PROJECT#{project_id})
        # - SK is built from:  (template: DETAILS)
        # pk = Project.build_pk_for_lookup(project_id)
        # sk = Project.build_sk_for_lookup()
        #
        # Update field parameter(s): status, updated_at
        #
        # current_item = self.get(pk, sk)
        # if not current_item:
        #     raise RuntimeError(f"{self.model_class.__name__} not found")
        # current_version = current_item.version
        # next_version = current_version + 1
        # response = self.table.update_item(
        #     Key={'pk': pk, 'sk': sk},
        #     UpdateExpression='SET #field = :val, version = :new_version',
        #     ConditionExpression='version = :current_version',
        #     ExpressionAttributeNames={'#field': 'field_to_update'},
        #     ExpressionAttributeValues={':val': <update_param>, ':current_version': current_version, ':new_version': next_version},
        #     ReturnValues='ALL_NEW'
        # )
        # return self.model_class(**response['Attributes'])
        pass


class ProjectMilestoneRepository(BaseRepository[ProjectMilestone]):
    """Repository for ProjectMilestone entity operations"""

    def __init__(self, table_name: str = 'ProjectTable'):
        super().__init__(ProjectMilestone, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_project_milestone(self, project_milestone: ProjectMilestone) -> ProjectMilestone:
        """Create a new project_milestone"""
        return self.create(project_milestone)

    def get_project_milestone(self, project_id: str, milestone_id: str) -> ProjectMilestone | None:
        """Get a project_milestone by key"""
        pk = ProjectMilestone.build_pk_for_lookup(project_id)
        sk = ProjectMilestone.build_sk_for_lookup(milestone_id)
        return self.get(pk, sk)

    def update_project_milestone(self, project_milestone: ProjectMilestone) -> ProjectMilestone:
        """Update an existing project_milestone"""
        return self.update(project_milestone)

    def delete_project_milestone(self, project_id: str, milestone_id: str) -> bool:
        """Delete a project_milestone"""
        pk = ProjectMilestone.build_pk_for_lookup(project_id)
        sk = ProjectMilestone.build_sk_for_lookup(milestone_id)
        return self.delete(pk, sk)

    def get_project_milestones(
        self,
        project_id: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[ProjectMilestone], dict | None]:
        """Get all milestones for a project

        Args:
            project_id: Project id
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #12
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = ProjectMilestone.build_pk_for_lookup(project_id)
        # Note: Item collection detected - multiple entities share PK "PROJECT#{project_id}"
        # Use begins_with('MILESTONE#') to filter for only ProjectMilestone items
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').begins_with('MILESTONE#'),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def put_project_milestone(self, milestone: ProjectMilestone) -> ProjectMilestone | None:
        """Put (upsert) milestone for project"""
        # TODO: Implement Access Pattern #13
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=project_milestone.model_dump())
        # return project_milestone
        pass


class ProjectTaskRepository(BaseRepository[ProjectTask]):
    """Repository for ProjectTask entity operations"""

    def __init__(self, table_name: str = 'TaskTable'):
        super().__init__(ProjectTask, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_project_task(self, project_task: ProjectTask) -> ProjectTask:
        """Create a new project_task"""
        return self.create(project_task)

    def get_project_task(
        self, project_id: str, status: str, priority: str, task_id: str
    ) -> ProjectTask | None:
        """Get a project_task by key"""
        pk = ProjectTask.build_pk_for_lookup(project_id)
        sk = ProjectTask.build_sk_for_lookup(status, priority, task_id)
        return self.get(pk, sk)

    def update_project_task(self, project_task: ProjectTask) -> ProjectTask:
        """Update an existing project_task"""
        return self.update(project_task)

    def delete_project_task(
        self, project_id: str, status: str, priority: str, task_id: str
    ) -> bool:
        """Delete a project_task"""
        pk = ProjectTask.build_pk_for_lookup(project_id)
        sk = ProjectTask.build_sk_for_lookup(status, priority, task_id)
        return self.delete(pk, sk)

    def get_project_tasks(
        self,
        project_id: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[ProjectTask], dict | None]:
        """Get all tasks for a project (sorted by status and priority)

        Args:
            project_id: Project id
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #19
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = ProjectTask.build_pk_for_lookup(project_id)
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').eq(sk),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def get_project_tasks_by_status(
        self,
        project_id: str,
        status: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[ProjectTask], dict | None]:
        """Get tasks for a project filtered by status

        Args:
            project_id: Project id
            status: Status
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #20
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = ProjectTask.build_pk_for_lookup(project_id)
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').eq(sk),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def add_task_to_project(self, project_task: ProjectTask) -> ProjectTask | None:
        """Add task to project index"""
        # TODO: Implement Access Pattern #21
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=project_task.model_dump())
        # return project_task
        pass


class TaskRepository(BaseRepository[Task]):
    """Repository for Task entity operations"""

    def __init__(self, table_name: str = 'TaskTable'):
        super().__init__(Task, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_task(self, task: Task) -> Task:
        """Create a new task"""
        return self.create(task)

    def get_task(self, task_id: str) -> Task | None:
        """Get a task by key"""
        pk = Task.build_pk_for_lookup(task_id)
        sk = Task.build_sk_for_lookup()
        return self.get(pk, sk)

    def update_task(self, task: Task) -> Task:
        """Update an existing task"""
        return self.update(task)

    def delete_task(self, task_id: str) -> bool:
        """Delete a task"""
        pk = Task.build_pk_for_lookup(task_id)
        sk = Task.build_sk_for_lookup()
        return self.delete(pk, sk)

    def put_task(self, task: Task, project: Project) -> Task | None:
        """Put (upsert) new task with project reference"""
        # TODO: Implement Access Pattern #17
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=task.model_dump())
        # return task
        pass

    def update_task_status(
        self, task_id: str, status: str, actual_hours: Decimal, completed_at: str
    ) -> Task | None:
        """Update task status and completion"""
        # TODO: Implement Access Pattern #18
        # Operation: UpdateItem | Index: Main Table
        #
        # Main Table UpdateItem Example:
        # Key Building:
        # - PK is built from: task_id (template: TASK#{task_id})
        # - SK is built from:  (template: DETAILS)
        # pk = Task.build_pk_for_lookup(task_id)
        # sk = Task.build_sk_for_lookup()
        #
        # Update field parameter(s): status, actual_hours, completed_at
        #
        # current_item = self.get(pk, sk)
        # if not current_item:
        #     raise RuntimeError(f"{self.model_class.__name__} not found")
        # current_version = current_item.version
        # next_version = current_version + 1
        # response = self.table.update_item(
        #     Key={'pk': pk, 'sk': sk},
        #     UpdateExpression='SET #field = :val, version = :new_version',
        #     ConditionExpression='version = :current_version',
        #     ExpressionAttributeNames={'#field': 'field_to_update'},
        #     ExpressionAttributeValues={':val': <update_param>, ':current_version': current_version, ':new_version': next_version},
        #     ReturnValues='ALL_NEW'
        # )
        # return self.model_class(**response['Attributes'])
        pass


class TaskCommentRepository(BaseRepository[TaskComment]):
    """Repository for TaskComment entity operations"""

    def __init__(self, table_name: str = 'TaskTable'):
        super().__init__(TaskComment, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_task_comment(self, task_comment: TaskComment) -> TaskComment:
        """Create a new task_comment"""
        return self.create(task_comment)

    def get_task_comment(
        self, task_id: str, created_at: str, comment_id: str
    ) -> TaskComment | None:
        """Get a task_comment by key"""
        pk = TaskComment.build_pk_for_lookup(task_id)
        sk = TaskComment.build_sk_for_lookup(created_at, comment_id)
        return self.get(pk, sk)

    def update_task_comment(self, task_comment: TaskComment) -> TaskComment:
        """Update an existing task_comment"""
        return self.update(task_comment)

    def delete_task_comment(self, task_id: str, created_at: str, comment_id: str) -> bool:
        """Delete a task_comment"""
        pk = TaskComment.build_pk_for_lookup(task_id)
        sk = TaskComment.build_sk_for_lookup(created_at, comment_id)
        return self.delete(pk, sk)

    def get_task_comments(
        self,
        task_id: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[TaskComment], dict | None]:
        """Get all comments for a task (sorted by creation time)

        Args:
            task_id: Task id
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #25
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = TaskComment.build_pk_for_lookup(task_id)
        # Note: Item collection detected - multiple entities share PK "TASK#{task_id}"
        # Use begins_with('COMMENT#') to filter for only TaskComment items
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').begins_with('COMMENT#'),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def add_task_comment(
        self, comment: TaskComment, author: OrganizationMember
    ) -> TaskComment | None:
        """Add comment to task with author reference"""
        # TODO: Implement Access Pattern #26
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=task_comment.model_dump())
        # return task_comment
        pass


class UserTaskRepository(BaseRepository[UserTask]):
    """Repository for UserTask entity operations"""

    def __init__(self, table_name: str = 'TaskTable'):
        super().__init__(UserTask, table_name, 'pk', 'sk')

    # Basic CRUD Operations (Generated)
    def create_user_task(self, user_task: UserTask) -> UserTask:
        """Create a new user_task"""
        return self.create(user_task)

    def get_user_task(
        self, user_id: str, status: str, due_date: str, task_id: str
    ) -> UserTask | None:
        """Get a user_task by key"""
        pk = UserTask.build_pk_for_lookup(user_id)
        sk = UserTask.build_sk_for_lookup(status, due_date, task_id)
        return self.get(pk, sk)

    def update_user_task(self, user_task: UserTask) -> UserTask:
        """Update an existing user_task"""
        return self.update(user_task)

    def delete_user_task(self, user_id: str, status: str, due_date: str, task_id: str) -> bool:
        """Delete a user_task"""
        pk = UserTask.build_pk_for_lookup(user_id)
        sk = UserTask.build_sk_for_lookup(status, due_date, task_id)
        return self.delete(pk, sk)

    def get_user_tasks(
        self,
        user_id: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[UserTask], dict | None]:
        """Get all tasks assigned to a user (sorted by status and due date)

        Args:
            user_id: User id
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #22
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = UserTask.build_pk_for_lookup(user_id)
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').eq(sk),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def get_user_active_tasks(
        self,
        user_id: str,
        status: str,
        limit: int = 100,
        exclusive_start_key: dict | None = None,
        skip_invalid_items: bool = True,
    ) -> tuple[list[UserTask], dict | None]:
        """Get active tasks for a user

        Args:
            user_id: User id
            status: Status
            limit: Maximum items per page (default: 100)
            exclusive_start_key: Continuation token from previous page
            skip_invalid_items: If True, skip items that fail deserialization and continue. If False, raise exception on validation errors.

        Returns:
            tuple: (items, last_evaluated_key)
        """
        # TODO: Implement Access Pattern #23
        # Operation: Query | Index: Main Table
        #
        # Main Table Query Example:
        # pk = UserTask.build_pk_for_lookup(user_id)
        # query_params = {
        #     'KeyConditionExpression': Key('pk').eq(pk) & Key('sk').eq(sk),
        #     'Limit': limit
        # }
        # if exclusive_start_key:
        #     query_params['ExclusiveStartKey'] = exclusive_start_key
        # response = self.table.query(**query_params)
        # return self._parse_query_response(response, skip_invalid_items)
        pass

    def assign_task_to_user(
        self, user_task: UserTask, task: Task, member: OrganizationMember
    ) -> UserTask | None:
        """Assign task to user with cross-table references"""
        # TODO: Implement Access Pattern #24
        # Operation: PutItem | Index: Main Table
        #
        # Main Table PutItem Example:
        # PutItem access pattern - unconditional upsert (no version checking)
        # Creates if not exists, overwrites if exists
        # self.table.put_item(Item=user_task.model_dump())
        # return user_task
        pass
