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#!/usr/bin/env python3


import pathlib
import subprocess
import shutil
import sys


SCRIPT = pathlib.Path(__file__).resolve()
ROOT = SCRIPT.parent


def main() -> None:
    print("Checking source files ...")

    success = True

    for check in (mypy, flake8, black, flutter_analyze):
        print(f"Checking with {check.__name__} ...")
        try:
            check()
            print(f"OK - {check.__name__} succeeded.")
        except subprocess.CalledProcessError:
            success = False

    if not success:
        print("At least one check failed.")
        sys.exit(1)

    print("Finished without errors.")


def mypy() -> None:
    command = [
        "mypy",
        "--strict",
    ]

    for f in get_python_files():
        command.append(str(f))

    subprocess.run(command, shell=False, check=True)


def flake8() -> None:
    command = [
        "flake8",
    ]

    for f in get_python_files():
        command.append(str(f))

    subprocess.run(command, shell=False, check=True)


def black() -> None:
    command = [
        "black",
        "--check",
    ]

    for f in get_python_files():
        command.append(str(f))

    subprocess.run(command, shell=False, check=True)


def get_python_files() -> tuple[pathlib.Path, ...]:
    return tuple(ROOT.glob("*.py"))


def flutter_analyze() -> None:
    maybe_flutter = shutil.which("flutter")
    if maybe_flutter is None:
        print("Could not find 'flutter' executable.")
        sys.exit(1)
    flutter = str(maybe_flutter)

    command = [
        flutter,
        "analyze",
    ]

    subprocess.run(command, cwd=ROOT, shell=False, check=True)


if __name__ == "__main__":
    main()