import re
import json
from typing import Optional, Union

from multi_swe_bench.harness.image import Config, File, Image
from multi_swe_bench.harness.instance import Instance, TestResult
from multi_swe_bench.harness.pull_request import PullRequest


class ImageDefault(Image):
    def __init__(self, pr: PullRequest, config: Config):
        self._pr = pr
        self._config = config

    @property
    def pr(self) -> PullRequest:
        return self._pr

    @property
    def config(self) -> Config:
        return self._config

    def dependency(self) -> str:
        return "python:3.10-slim"

    def image_prefix(self) -> str:
        return "envagent"

    def image_tag(self) -> str:
        return f"pr-{self.pr.number}"

    def workdir(self) -> str:
        return f"pr-{self.pr.number}"

    def files(self) -> list[File]:
        repo_name = self.pr.repo
        return [
            File(
                ".",
                "fix.patch",
                f"{self.pr.fix_patch}",
            ),
            File(
                ".",
                "test.patch",
                f"{self.pr.test_patch}",
            ),
            File(
                ".",
                "prepare.sh",
                """apt-get update && apt-get install -y build-essential
###ACTION_DELIMITER###
apt-get install -y libhdf5-dev
###ACTION_DELIMITER###
pip install -e ".[test]"
###ACTION_DELIMITER###
echo 'pytest tests/ -v --no-header -rA --tb=no -p no:cacheprovider --json=test_report.json' > /home/anndata/test_commands.sh && chmod +x /home/anndata/test_commands.sh
###ACTION_DELIMITER###
bash /home/anndata/test_commands.sh
###ACTION_DELIMITER###
pip install pytest-json && sed -i 's/--json/--json-report/' /home/anndata/test_commands.sh
###ACTION_DELIMITER###
sed -i 's/--json-report/--json/' /home/anndata/test_commands.sh && bash /home/anndata/test_commands.sh
###ACTION_DELIMITER###
pip uninstall -y pytest-json && pip install pytest-json-report && sed -i 's/--json=test_report.json/--json-report --json-report-file=test_report.json/' /home/anndata/test_commands.sh && bash /home/anndata/test_commands.sh
###ACTION_DELIMITER###
sed -i 's/-p no:cacheprovider/-p no:cacheprovider -p no:memray/' /home/anndata/test_commands.sh && bash /home/anndata/test_commands.sh
###ACTION_DELIMITER###
python - <<END
import toml
from pathlib import Path

path = Path('pyproject.toml')
data = toml.loads(path.read_text())
pytest_ini = data.setdefault('tool', {}).setdefault('pytest', {}).setdefault('ini_options', {})
markers = pytest_ini.setdefault('markers', [])
new_marker = 'limit_memory: Mark tests that limit memory usage'
if new_marker not in markers:
    markers.append(new_marker)
path.write_text(toml.dumps(data))
END && bash /home/anndata/test_commands.sh
###ACTION_DELIMITER###
python - <<END
import toml
from pathlib import Path

path = Path('pyproject.toml')
data = toml.loads(path.read_text())
pytest_ini = data.setdefault('tool', {}).setdefault('pytest', {}).setdefault('ini_options', {})
markers = pytest_ini.setdefault('markers', [])
new_marker = 'limit_memory: Mark tests that limit memory usage'
if new_marker not in markers:
    markers.append(new_marker)
path.write_text(toml.dumps(data))
END
###ACTION_DELIMITER###
pip install toml && python - <<END
import toml
from pathlib import Path

path = Path('pyproject.toml')
data = toml.loads(path.read_text())
pytest_ini = data.setdefault('tool', {}).setdefault('pytest', {}).setdefault('ini_options', {})
markers = pytest_ini.setdefault('markers', [])
new_marker = 'limit_memory: Mark tests that limit memory usage'
if new_marker not in markers:
    markers.append(new_marker)
path.write_text(toml.dumps(data))
END
###ACTION_DELIMITER###
bash /home/anndata/test_commands.sh""",
            ),
            File(
                ".",
                "run.sh",
                """#!/bin/bash
cd /home/[[REPO_NAME]]
pytest tests/ -v --no-header -rA --tb=no -p no:cacheprovider -p no:memray --json-report --json-report-file=test_report.json

""".replace("[[REPO_NAME]]", repo_name),
            ),
            File(
                ".",
                "test-run.sh",
                """#!/bin/bash
cd /home/[[REPO_NAME]]
if ! git -C /home/[[REPO_NAME]] apply --whitespace=nowarn /home/test.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
pytest tests/ -v --no-header -rA --tb=no -p no:cacheprovider -p no:memray --json-report --json-report-file=test_report.json

""".replace("[[REPO_NAME]]", repo_name),
            ),
            File(
                ".",
                "fix-run.sh",
                """#!/bin/bash
cd /home/[[REPO_NAME]]
if ! git -C /home/[[REPO_NAME]] apply --whitespace=nowarn  /home/test.patch /home/fix.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
pytest tests/ -v --no-header -rA --tb=no -p no:cacheprovider -p no:memray --json-report --json-report-file=test_report.json

""".replace("[[REPO_NAME]]", repo_name),
            ),
        ]

    def dockerfile(self) -> str:
        copy_commands = ""
        for file in self.files():
            copy_commands += f"COPY {file.name} /home/\n"

        dockerfile_content = """
# This is a template for creating a Dockerfile to test patches
# LLM should fill in the appropriate values based on the context

# Choose an appropriate base image based on the project's requirements - replace python:3.10-slim with actual base image
# For example: FROM ubuntu:**, FROM python:**, FROM node:**, FROM centos:**, etc.
FROM python:3.10-slim

## Set noninteractive
ENV DEBIAN_FRONTEND=noninteractive

# Install basic requirements
# For example: RUN apt-get update && apt-get install -y git
# For example: RUN yum install -y git
# For example: RUN apk add --no-cache git
RUN apt-get update && apt-get install -y git

# Ensure bash is available
RUN if [ ! -f /bin/bash ]; then         if command -v apk >/dev/null 2>&1; then             apk add --no-cache bash;         elif command -v apt-get >/dev/null 2>&1; then             apt-get update && apt-get install -y bash;         elif command -v yum >/dev/null 2>&1; then             yum install -y bash;         else             exit 1;         fi     fi

WORKDIR /home/
COPY fix.patch /home/
COPY test.patch /home/
RUN git clone https://github.com/scverse/anndata.git /home/anndata

WORKDIR /home/anndata
RUN git reset --hard
RUN git checkout {pr.base.sha}
"""
        dockerfile_content += f"""
{copy_commands}
"""
        return dockerfile_content.format(pr=self.pr)


@Instance.register("scverse", "anndata_1724_to_1631")
class ANNDATA_1724_TO_1631(Instance):
    def __init__(self, pr: PullRequest, config: Config, *args, **kwargs):
        super().__init__()
        self._pr = pr
        self._config = config

    @property
    def pr(self) -> PullRequest:
        return self._pr

    def dependency(self) -> Optional[Image]:
        return ImageDefault(self.pr, self._config)

    def run(self, run_cmd: str = "") -> str:
        if run_cmd:
            return run_cmd

        return "bash /home/run.sh"

    def test_patch_run(self, test_patch_run_cmd: str = "") -> str:
        if test_patch_run_cmd:
            return test_patch_run_cmd

        return "bash /home/test-run.sh"

    def fix_patch_run(self, fix_patch_run_cmd: str = "") -> str:
        if fix_patch_run_cmd:
            return fix_patch_run_cmd

        return "bash /home/fix-run.sh"

    def parse_log(self, log: str) -> TestResult:
        # Parse the log content and extract test execution results.
        passed_tests = set()  # Tests that passed successfully
        failed_tests = set()  # Tests that failed
        skipped_tests = set()  # Tests that were skipped
        import re
        import json

        current_test_file = None
        current_status_chars = []
        lines = log.split("\n")
        for line in lines:
            line = line.strip()
            if not line:
                continue
            if line.startswith("tests/"):
                # Process previous test file
                if current_test_file:
                    for idx, char in enumerate(current_status_chars):
                        test_name = f"{current_test_file}::test_{idx}"
                        if char == ".":
                            passed_tests.add(test_name)
                        elif char == "F":
                            failed_tests.add(test_name)
                        elif char == "s":
                            skipped_tests.add(test_name)
                    current_status_chars = []
                # Extract new test file and status chars
                parts = line.split()
                if len(parts) < 2:
                    current_test_file = None
                    continue
                test_file = parts[0]
                status_part = " ".join(parts[1:-1]) if len(parts) > 1 else ""
                current_status_chars = list(status_part)
                current_test_file = test_file
            else:
                # Continue collecting status chars for current test file
                if current_test_file:
                    parts = line.split()
                    if parts and parts[-1].startswith("["):
                        status_part = " ".join(parts[:-1])
                    else:
                        status_part = " ".join(parts)
                    current_status_chars.extend(list(status_part))
        # Process the last test file
        if current_test_file:
            for idx, char in enumerate(current_status_chars):
                test_name = f"{current_test_file}::test_{idx}"
                if char == ".":
                    passed_tests.add(test_name)
                elif char == "F":
                    failed_tests.add(test_name)
                elif char == "s":
                    skipped_tests.add(test_name)
        parsed_results = {
            "passed_tests": passed_tests,
            "failed_tests": failed_tests,
            "skipped_tests": skipped_tests,
        }

        return TestResult(
            passed_count=len(passed_tests),
            failed_count=len(failed_tests),
            skipped_count=len(skipped_tests),
            passed_tests=passed_tests,
            failed_tests=failed_tests,
            skipped_tests=skipped_tests,
        )
