from __future__ import annotations

from pathlib import Path

from iticli.cli import (
    ProjectContext,
    alembic_base_cmd,
    detect_project,
    extract_message,
    find_optional_extra,
    has_package,
    normalize_version,
    parse_run_args,
    version_is_newer,
)


def write(path: Path, text: str) -> None:
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(text, encoding="utf-8")


def test_detect_framework_project(tmp_path: Path) -> None:
    write(
        tmp_path / "pyproject.toml",
        """
[project]
name = "iti-flask"
dependencies = []
""",
    )
    write(tmp_path / "iti" / "app.py", "")
    write(tmp_path / "copier.yml", "")

    ctx = detect_project(tmp_path)

    assert ctx.kind == "framework"


def test_detect_business_project(tmp_path: Path) -> None:
    write(
        tmp_path / "pyproject.toml",
        """
[project]
name = "demo"
dependencies = [
  "iti-flask @ git+https://git.noahlan.cn/iti-framework/iTi-Flask.git@v0.2.4",
  "iti-system @ git+https://git.noahlan.cn/iti-framework/iTi-System.git@v0.2.4",
]
""",
    )
    write(tmp_path / "main.py", "")
    (tmp_path / "app").mkdir()
    write(tmp_path / "migrations" / "alembic.ini", "")

    ctx = detect_project(tmp_path)

    assert ctx.kind == "business"
    assert ctx.has_system is True


def test_detect_system_project(tmp_path: Path) -> None:
    write(
        tmp_path / "pyproject.toml",
        """
[project]
name = "iti-system"
dependencies = ["iti-flask"]
""",
    )
    write(tmp_path / "iti_system" / "module.py", "")
    write(tmp_path / "iti_system" / "cli.py", "")

    ctx = detect_project(tmp_path)

    assert ctx.kind == "system"


def test_detect_from_child_directory(tmp_path: Path) -> None:
    write(
        tmp_path / "pyproject.toml",
        """
[project]
name = "demo"
dependencies = ["iti-flask @ git+https://example.test/iTi-Flask.git"]
""",
    )
    write(tmp_path / "main.py", "")
    child = tmp_path / "app" / "modules"
    child.mkdir(parents=True)
    write(tmp_path / "migrations" / "alembic.ini", "")

    ctx = detect_project(child)

    assert ctx.root == tmp_path
    assert ctx.kind == "business"


def test_has_package_reads_uv_sources() -> None:
    pyproject = {
        "project": {"dependencies": []},
        "tool": {"uv": {"sources": {"iti-flask": {"git": "https://example.test/repo.git"}}}},
    }

    assert has_package(pyproject, "iti-flask") is True


def test_find_optional_extra_prefers_project_extra_name() -> None:
    pyproject = {"project": {"optional-dependencies": {"odbc": [], "dev": []}}}

    assert find_optional_extra(pyproject, ["odbc", "erp"]) == "odbc"


def test_business_alembic_uses_template_config(tmp_path: Path) -> None:
    ctx = ProjectContext(tmp_path, "business", {}, False)

    assert alembic_base_cmd(ctx) == ["uv", "run", "alembic", "-c", "migrations/alembic.ini"]


def test_framework_alembic_uses_default_config(tmp_path: Path) -> None:
    ctx = ProjectContext(tmp_path, "framework", {}, False)

    assert alembic_base_cmd(ctx) == ["uv", "run", "alembic"]


def test_parse_run_args_accepts_env_and_port() -> None:
    assert parse_run_args("test", "9000") == ("test", "9000")
    assert parse_run_args("9000", None) == ("dev", "9000")
    assert parse_run_args("default", None) == ("dev", "8000")


def test_extract_message_accepts_remainder_flags() -> None:
    rest = ["-m", "alice add order table", "--head", "head"]

    assert extract_message(rest) == "alice add order table"
    assert rest == ["--head", "head"]


def test_version_helpers() -> None:
    assert normalize_version("v1.2.3") == "1.2.3"
    assert version_is_newer("1.2.3", "1.2.4") is True
    assert version_is_newer("1.2.3", "1.2.3") is False