from datetime import date

from repo_scoping.intent.bootstrap import bootstrap_intent_from_scope, scope_to_intent_text


def test_scope_to_intent_text_replaces_scope_heading_and_marks_bootstrap():
    text = scope_to_intent_text(
        "# SCOPE.md - Demo\n\n## One-liner\n\nCurrent utility.\n",
        today=date(2026, 5, 2),
    )

    assert text.startswith("# INTENT\n\n")
    assert "Bootstrapped from `SCOPE.md`" in text
    assert "Bootstrap date: 2026-05-02" in text
    assert "## One-liner\n\nCurrent utility." in text


def test_bootstrap_intent_from_scope_creates_intent_when_missing(tmp_path):
    repo = tmp_path / "repo"
    repo.mkdir()
    (repo / "SCOPE.md").write_text("# SCOPE\n\nProvides search.\n", encoding="utf-8")

    result = bootstrap_intent_from_scope(repo, today=date(2026, 5, 2))

    assert result.status == "created"
    intent_text = (repo / "INTENT.md").read_text(encoding="utf-8")
    assert intent_text.startswith("# INTENT")
    assert "Provides search." in intent_text


def test_bootstrap_intent_from_scope_does_not_overwrite_existing_intent(tmp_path):
    repo = tmp_path / "repo"
    repo.mkdir()
    (repo / "SCOPE.md").write_text("# SCOPE\n", encoding="utf-8")
    (repo / "INTENT.md").write_text("# INTENT\n\nKeep me.\n", encoding="utf-8")

    result = bootstrap_intent_from_scope(repo)

    assert result.status == "exists"
    assert (repo / "INTENT.md").read_text(encoding="utf-8") == "# INTENT\n\nKeep me.\n"


def test_bootstrap_intent_from_scope_dry_run_reports_without_writing(tmp_path):
    repo = tmp_path / "repo"
    repo.mkdir()
    (repo / "SCOPE.md").write_text("# SCOPE\n", encoding="utf-8")

    result = bootstrap_intent_from_scope(repo, dry_run=True)

    assert result.status == "would_create"
    assert not (repo / "INTENT.md").exists()