"""Tests for Rich dashboard display."""

from io import StringIO

from rich.console import Console

from gitea_dashboard.collector import RepoData
from gitea_dashboard.display import (
    render_dashboard,
)


def _make_console():
    """Create a console that captures output for testing.

    highlight=False desactive le highlighting automatique de Rich
    qui fragmente les nombres et noms avec des codes ANSI.
    """
    buf = StringIO()
    return Console(file=buf, force_terminal=True, width=120, highlight=False), buf


def _make_repo(
    name="my-repo",
    full_name="admin/my-repo",
    description="A repo",
    open_issues=3,
    is_fork=False,
    is_archived=False,
    is_mirror=False,
    latest_release=None,
    milestones=None,
    last_commit_date=None,
):
    """Build a RepoData for testing."""
    return RepoData(
        name=name,
        full_name=full_name,
        description=description,
        open_issues=open_issues,
        is_fork=is_fork,
        is_archived=is_archived,
        is_mirror=is_mirror,
        latest_release=latest_release,
        milestones=milestones if milestones is not None else [],
        last_commit_date=last_commit_date,
    )


class TestRenderDashboardTable:
    """Test the main repos table rendering."""

    def test_basic_repo_displayed(self):
        """Repo name and issues count appear in output."""
        console, buf = _make_console()
        repos = [
            _make_repo(
                name="mon-projet",
                open_issues=3,
                latest_release={"tag_name": "v1.2.0", "published_at": "2026-03-08T10:00:00Z"},
            ),
        ]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "mon-projet" in output
        assert "v1.2.0" in output

    def test_repo_without_release_shows_dash(self):
        """Repo with no release shows a dash character."""
        console, buf = _make_console()
        repos = [_make_repo(name="no-release", latest_release=None)]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "no-release" in output
        # The dash character for "no release"
        assert "\u2014" in output or "—" in output

    def test_fork_indicator(self):
        """Fork repos show [F] indicator."""
        console, buf = _make_console()
        repos = [_make_repo(name="forked-repo", is_fork=True)]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "forked-repo" in output
        assert "[F]" in output

    def test_archive_indicator(self):
        """Archived repos show [A] indicator."""
        console, buf = _make_console()
        repos = [_make_repo(name="old-repo", is_archived=True)]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "[A]" in output

    def test_mirror_indicator(self):
        """Mirror repos show [M] indicator."""
        console, buf = _make_console()
        repos = [_make_repo(name="mirror-repo", is_mirror=True)]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "[M]" in output

    def test_multiple_indicators(self):
        """Repo with multiple flags shows all indicators."""
        console, buf = _make_console()
        repos = [_make_repo(name="special", is_fork=True, is_archived=True)]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "[F]" in output
        assert "[A]" in output

    def test_issues_zero(self):
        """Repos with 0 issues display 0."""
        console, buf = _make_console()
        repos = [_make_repo(name="clean-repo", open_issues=0)]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "0" in output

    def test_multiple_repos(self):
        """Multiple repos all appear in the output."""
        console, buf = _make_console()
        repos = [
            _make_repo(name="repo-alpha", open_issues=1),
            _make_repo(name="repo-beta", open_issues=5),
        ]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "repo-alpha" in output
        assert "repo-beta" in output


class TestRenderDashboardLastCommit:
    """Test the last commit column rendering."""

    def test_last_commit_column_displayed(self):
        """Column 'Dernier commit' appears in the table."""
        console, buf = _make_console()
        repos = [_make_repo(name="projet", last_commit_date="2026-03-10T14:30:00Z")]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "Dernier commit" in output

    def test_last_commit_shows_relative_date(self):
        """Last commit date is shown as relative date."""
        console, buf = _make_console()
        repos = [_make_repo(name="projet", last_commit_date="2026-03-10T14:30:00Z")]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        # Should show some relative date (il y a Xj, etc.)
        assert "il y a" in output or "aujourd'hui" in output

    def test_last_commit_none_shows_dash(self):
        """Repo without commit shows dash."""
        console, buf = _make_console()
        repos = [_make_repo(name="vide", last_commit_date=None)]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "\u2014" in output or "—" in output


class TestRenderDashboardMilestones:
    """Test the milestones section rendering."""

    def test_milestones_displayed(self):
        """Repos with milestones show milestone info."""
        console, buf = _make_console()
        repos = [
            _make_repo(
                name="mon-projet",
                milestones=[
                    {
                        "title": "v2.0",
                        "open_issues": 2,
                        "closed_issues": 3,
                        "due_on": "2026-04-01T00:00:00Z",
                    },
                ],
            ),
        ]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "v2.0" in output
        assert "3/5" in output  # closed/total
        assert "60%" in output

    def test_milestone_without_due_date(self):
        """Milestone without due_on omits the deadline."""
        console, buf = _make_console()
        repos = [
            _make_repo(
                name="projet",
                milestones=[
                    {
                        "title": "backlog",
                        "open_issues": 5,
                        "closed_issues": 1,
                        "due_on": None,
                    },
                ],
            ),
        ]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "backlog" in output
        assert "1/6" in output

    def test_no_milestones_section_when_none(self):
        """When no repos have milestones, milestone section is absent."""
        console, buf = _make_console()
        repos = [_make_repo(name="simple", milestones=[])]

        render_dashboard(repos, console=console)
        output = buf.getvalue()

        assert "Milestones" not in output


class TestRenderDashboardEmpty:
    """Test empty repo list handling."""

    def test_empty_list_shows_message(self):
        """Empty repo list shows informative message."""
        console, buf = _make_console()

        render_dashboard([], console=console)
        output = buf.getvalue()

        assert "Aucun repo" in output


class TestColorizeMilestoneDue:
    """Test _colorize_milestone_due function."""

    def test_overdue(self):
        """Past due date returns 'red'."""
        from gitea_dashboard.display import _colorize_milestone_due

        assert _colorize_milestone_due("2020-01-01T00:00:00Z") == "red"

    def test_soon(self):
        """Due date within 7 days returns 'yellow'."""
        from datetime import datetime, timedelta, timezone

        from gitea_dashboard.display import _colorize_milestone_due

        soon = datetime.now(timezone.utc) + timedelta(days=3)
        assert _colorize_milestone_due(soon.isoformat()) == "yellow"

    def test_ok(self):
        """Due date more than 7 days away returns 'green'."""
        from datetime import datetime, timedelta, timezone

        from gitea_dashboard.display import _colorize_milestone_due

        future = datetime.now(timezone.utc) + timedelta(days=15)
        assert _colorize_milestone_due(future.isoformat()) == "green"

    def test_no_due(self):
        """No due date returns empty string."""
        from gitea_dashboard.display import _colorize_milestone_due

        assert _colorize_milestone_due(None) == ""


class TestSortRepos:
    """Test _sort_repos function."""

    def test_sort_by_name(self):
        """Sorts alphabetically by name (case-insensitive)."""
        from gitea_dashboard.display import _sort_repos

        repos = [
            _make_repo(name="Charlie"),
            _make_repo(name="alpha"),
            _make_repo(name="Bravo"),
        ]
        result = _sort_repos(repos, "name")
        assert [r.name for r in result] == ["alpha", "Bravo", "Charlie"]

    def test_sort_by_issues(self):
        """Sorts by issues count descending."""
        from gitea_dashboard.display import _sort_repos

        repos = [
            _make_repo(name="low", open_issues=1),
            _make_repo(name="high", open_issues=10),
            _make_repo(name="mid", open_issues=5),
        ]
        result = _sort_repos(repos, "issues")
        assert [r.name for r in result] == ["high", "mid", "low"]

    def test_sort_by_release(self):
        """Sorts by release date descending; repos without release last."""
        from gitea_dashboard.display import _sort_repos

        repos = [
            _make_repo(name="no-rel", latest_release=None),
            _make_repo(
                name="old",
                latest_release={"tag_name": "v1.0", "published_at": "2025-01-01T00:00:00Z"},
            ),
            _make_repo(
                name="new",
                latest_release={"tag_name": "v2.0", "published_at": "2026-03-01T00:00:00Z"},
            ),
        ]
        result = _sort_repos(repos, "release")
        assert [r.name for r in result] == ["new", "old", "no-rel"]

    def test_sort_by_activity(self):
        """Sorts by last commit date descending; repos without commit last."""
        from gitea_dashboard.display import _sort_repos

        repos = [
            _make_repo(name="inactive", last_commit_date=None),
            _make_repo(name="old-commit", last_commit_date="2025-06-01T00:00:00Z"),
            _make_repo(name="recent", last_commit_date="2026-03-10T00:00:00Z"),
        ]
        result = _sort_repos(repos, "activity")
        assert [r.name for r in result] == ["recent", "old-commit", "inactive"]