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:3.9-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]:
        return [
            File(
                ".",
                "fix.patch",
                f"{self.pr.fix_patch}",
            ),
            File(
                ".",
                "test.patch",
                f"{self.pr.test_patch}",
            ),
            File(
                ".",
                "prepare.sh",
                """ls
###ACTION_DELIMITER###
pip install -r tools/requirements/tests.txt
###ACTION_DELIMITER###
echo 'pytest -v --timeout 300' > test_commands.sh
###ACTION_DELIMITER###
python -c 'import shutil, sys; shutil.rmtree(sys.argv[1], ignore_errors=True)' tests/data/common_wheels
###ACTION_DELIMITER###
python tools/tox_pip.py wheel -w tests/data/common_wheels -r tools/requirements/tests-common_wheels.txt
###ACTION_DELIMITER###
export VIRTUAL_ENV=$(pwd)/.venv && mkdir -p $VIRTUAL_ENV && python tools/tox_pip.py wheel -w tests/data/common_wheels -r tools/requirements/tests-common_wheels.txt
###ACTION_DELIMITER###
python setup.py sdist --formats=zip --dist-dir sdist
###ACTION_DELIMITER###
cat test_commands.sh
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bash test_commands.sh
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pip uninstall -y pytest && pip install pytest==6.2.5
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bash test_commands.sh
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pip uninstall -y pytest-cov && pip install pytest-cov==2.12.1
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bash test_commands.sh
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pip uninstall -y pytest-rerunfailures && pip install pytest-rerunfailures==10.2.0
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pip uninstall -y pytest-rerunfailures && pip install pytest-rerunfailures==11.1.2
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bash test_commands.sh
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pip install contextlib2
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vendoring sync . -v
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pip install vendoring==0.2.2
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pip install vendoring==0.3.3
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vendoring sync . -v
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bash test_commands.sh
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ls -l src/pip/_vendor | grep contextlib2
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ls -l src/pip/_vendor/__init__.py
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python -c 'from pip._vendor.contextlib2 import ExitStack, nullcontext'
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PYTHONPATH=src python -c 'from pip._vendor.contextlib2 import ExitStack, nullcontext'
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echo 'PYTHONPATH=src pytest -v --timeout 300' > test_commands.sh
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bash test_commands.sh
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pip install -e .
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echo -e 'python -c "import shutil, sys; shutil.rmtree(sys.argv[1], ignore_errors=True)" tests/data/common_wheels
python tools/tox_pip.py wheel -w tests/data/common_wheels -r tools/requirements/tests-common_wheels.txt
PYTHONPATH=src pytest -v --timeout 300' > test_commands.sh
###ACTION_DELIMITER###
bash test_commands.sh""",
            ),
            File(
                ".",
                "run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
python -c "import shutil, sys; shutil.rmtree(sys.argv[1], ignore_errors=True)" tests/data/common_wheels
python tools/tox_pip.py wheel -w tests/data/common_wheels -r tools/requirements/tests-common_wheels.txt
PYTHONPATH=src pytest -v --timeout 300

""".format(pr=self.pr),
            ),
            File(
                ".",
                "test-run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
if ! git -C /home/{pr.repo} apply --whitespace=nowarn /home/test.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
python -c "import shutil, sys; shutil.rmtree(sys.argv[1], ignore_errors=True)" tests/data/common_wheels
python tools/tox_pip.py wheel -w tests/data/common_wheels -r tools/requirements/tests-common_wheels.txt
PYTHONPATH=src pytest -v --timeout 300

""".format(pr=self.pr),
            ),
            File(
                ".",
                "fix-run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
if ! git -C /home/{pr.repo} apply --whitespace=nowarn  /home/test.patch /home/fix.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
python -c "import shutil, sys; shutil.rmtree(sys.argv[1], ignore_errors=True)" tests/data/common_wheels
python tools/tox_pip.py wheel -w tests/data/common_wheels -r tools/requirements/tests-common_wheels.txt
PYTHONPATH=src pytest -v --timeout 300

""".format(pr=self.pr),
            ),
        ]

    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 [base image] with actual base image
# For example: FROM ubuntu:**, FROM python:**, FROM node:**, FROM centos:**, etc.
FROM python:3.9-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/pypa/pip.git /home/pip

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


@Instance.register("pypa", "pip_8026_to_7704")
class PIP_8026_TO_7704(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[str]()  # Tests that passed successfully
        failed_tests = set[str]()  # Tests that failed
        skipped_tests = set[str]()  # Tests that were skipped
        import re

        # Regex pattern to match test names and their statuses
        pattern = r"(tests/[^:]+::(?:[\w_]+::)*test_\w+)\s+(PASSED|FAILED|ERROR|SKIPPED|XFAILED|XFAIL)|(PASSED|FAILED|ERROR|SKIPPED|XFAILED|XFAIL)\s+(tests/[^:]+::(?:[\w_]+::)*test_\w+)"
        matches = re.findall(pattern, log)
        for match in matches:
            if match[0] and match[1]:
                test_name = match[0]
                status = match[1]
            else:
                status = match[2]
                test_name = match[3]
            # Normalize status to uppercase
            status = status.upper()
            if status == "PASSED":
                passed_tests.add(test_name)
            elif status in ["FAILED", "ERROR", "XFAILED", "XFAIL"]:
                failed_tests.add(test_name)
            elif status == "SKIPPED":
                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,
        )
