"""
Integration Plan: Using New KiCad API Components in Current Schematic Generation

This module demonstrates how to integrate specific functions from the new sch_api
into the existing schematic generation workflow.
"""

# Functions from new API that can be used immediately:

# 2. PlacementEngine can enhance collision detection
# 1. ReferenceManager from sch_api can replace the basic reference generation
from circuit_synth.kicad.sch_api import PlacementEngine, PlacementStrategy
from circuit_synth.kicad.sch_api import ReferenceManager as NewReferenceManager

# 3. Models for better type safety
from circuit_synth.kicad.sch_api.models import BoundingBox, Position

# Integration Points:


class IntegratedSchematicGenerator:
    """
    Example of how to integrate new API components into existing generation.
    """

    def __init__(self):
        # Use new ReferenceManager for better reference generation
        self.ref_manager = NewReferenceManager()

        # Use new PlacementEngine for advanced placement strategies
        self.placement_engine = PlacementEngine()

    def integrate_reference_generation(self, component_type: str) -> str:
        """
        Replace current reference generation with new API's ReferenceManager.

        Current code might do:
            ref = f"{prefix}{counter}"

        New API provides:
            - Intelligent prefix mapping (R for resistors, C for capacitors)
            - Guaranteed uniqueness
            - Better handling of multi-unit components
        """
        # Map component types to library IDs for the new API
        lib_id_map = {
            "resistor": "Device:R",
            "capacitor": "Device:C",
            "inductor": "Device:L",
            "diode": "Device:D",
            "transistor": "Device:Q",
            "ic": "Device:U",
        }

        lib_id = lib_id_map.get(component_type.lower(), "Device:U")
        return self.ref_manager.generate_reference(lib_id)

    def integrate_placement_strategies(self, components: list) -> dict:
        """
        Use new PlacementEngine instead of basic collision detection.

        Current code uses CollisionManager with simple left-to-right placement.
        New API provides:
            - Edge placement (top, bottom, left, right)
            - Grid placement with configurable spacing
            - Contextual placement (near related components)
        """
        positions = {}

        # Example: Use grid placement for passive components
        passive_components = [
            c for c in components if c.type in ["resistor", "capacitor"]
        ]
        if passive_components:
            grid_positions = self.placement_engine.grid_placement(
                count=len(passive_components),
                start_position=Position(10, 10),
                grid_spacing=15.0,
                columns=4,
            )
            for comp, pos in zip(passive_components, grid_positions):
                positions[comp.id] = pos

        # Example: Use edge placement for connectors
        connectors = [c for c in components if "conn" in c.type.lower()]
        if connectors:
            edge_positions = self.placement_engine.edge_placement(
                count=len(connectors),
                edge="left",
                spacing=20.0,
                sheet_size=(210, 297),  # A4
            )
            for comp, pos in zip(connectors, edge_positions):
                positions[comp.id] = pos

        return positions

    def integrate_bounding_box_calculation(self, symbol_data: dict) -> BoundingBox:
        """
        Use new API's BoundingBox model for consistent geometry handling.

        Current code calculates bounds manually.
        New API provides a proper data structure with utility methods.
        """
        # Extract bounds from symbol data
        min_x, max_x, min_y, max_y = (
            float("inf"),
            float("-inf"),
            float("inf"),
            float("-inf"),
        )

        for graphic in symbol_data.get("graphics", []):
            # ... existing calculation logic ...
            pass

        # Return as proper BoundingBox object
        return BoundingBox(x=min_x, y=min_y, width=max_x - min_x, height=max_y - min_y)


# Specific Integration Examples:


def integrate_into_schematic_writer():
    """
    Example of integrating into SchematicWriter class.
    """
    # In schematic_writer.py, modify _add_symbol_instances method:

    # OLD CODE:
    # ref = f"{comp.type[0].upper()}{comp_idx + 1}"

    # NEW CODE:
    from circuit_synth.kicad.sch_api import ReferenceManager

    ref_manager = ReferenceManager()
    ref = ref_manager.generate_reference(comp.symbol_id)


def integrate_into_collision_manager():
    """
    Example of integrating into CollisionManager class.
    """
    # In collision_manager.py, add new placement strategies:

    # OLD CODE:
    # Simple left-to-right placement

    # NEW CODE:
    from circuit_synth.kicad.sch_api import PlacementEngine, PlacementStrategy

    placement_engine = PlacementEngine()

    # Use different strategies based on component type
    if component_type == "connector":
        positions = placement_engine.find_position(
            strategy=PlacementStrategy.EDGE_LEFT, existing_components=placed_components
        )
    else:
        positions = placement_engine.find_position(
            strategy=PlacementStrategy.GRID, existing_components=placed_components
        )


def integrate_models_for_type_safety():
    """
    Example of using new API models throughout the codebase.
    """
    from circuit_synth.kicad.sch_api.models import (
        BoundingBox,
        Position,
        Property,
        Symbol,
    )

    # Replace tuples with Position objects
    # OLD: position = (x, y)
    # NEW: position = Position(x=x, y=y)
    # Replace dicts with proper models
    # OLD: bbox = {'x': 0, 'y': 0, 'width': 10, 'height': 10}
    # NEW: bbox = BoundingBox(x=0, y=0, width=10, height=10)


# Functions that CAN be integrated now:
READY_TO_INTEGRATE = [
    "ReferenceManager.generate_reference() - Better reference generation",
    "ReferenceManager.is_reference_used() - Check uniqueness",
    "PlacementEngine grid/edge strategies - Better component placement",
    "BoundingBox model - Consistent geometry handling",
    "Position model - Type-safe coordinates",
    "Property model - Structured property handling",
]

# Functions that need more work before integration:
NEEDS_MORE_WORK = [
    "ComponentManager - Requires full schematic model refactoring",
    "ComponentSearch - Needs components to be in new format",
    "BulkOperations - Requires new component structure",
]

# Next steps for full integration:
INTEGRATION_ROADMAP = """
1. Phase 1 (Immediate): 
   - Replace reference generation with new ReferenceManager
   - Use PlacementEngine for better component placement
   - Adopt Position and BoundingBox models

2. Phase 2 (After Wire Management):
   - Integrate wire routing when available
   - Use connection analysis features

3. Phase 3 (Major Refactor):
   - Replace SchematicWriter with new generation based on ComponentManager
   - Migrate from current Circuit model to new Schematic model
   - Full integration of all API features
"""
