"""Palier 4 (0.6.0): QA column, label reconciliation, wallboard."""

from fastapi.testclient import TestClient

import app.main as main
from app import models
from tests.conftest import _issue, csrf_from


def _column_block(html: str, column: str) -> str:
    blocks = html.split('<div class="kanban-column"')
    for block in blocks[1:]:
        if f'data-column="{column}"' in block.split(">", 1)[0]:
            return block
    raise AssertionError(f"column {column} not found")


def _labelled(number: int, title: str, label_names: list[str]) -> dict:
    issue = _issue(number, title)
    issue["labels"] = [
        {"id": 900 + i, "name": name, "color": "8b5cf6"}
        for i, name in enumerate(label_names)
    ]
    return issue


# ── QA column ─────────────────────────────────────────────────────


def test_board_has_six_columns_including_qa(client):
    r = client.get("/board/Projets/demo")
    assert r.status_code == 200
    assert "🧪 QA" in r.text
    positions = [
        r.text.index(f'data-column="{col}"')
        for col in ("backlog", "todo", "in_progress", "qa", "review", "done")
    ]
    assert positions == sorted(positions)  # QA between in_progress and review


def test_move_to_qa_syncs_kanban_qa_label(client, fake_gitea):
    token = csrf_from(client)
    r = client.post(
        "/api/move",
        data={
            "repo_full_name": "Projets/demo", "issue_number": 1,
            "to_column": "qa", "from_column": "backlog",
            "to_order": "1", "from_order": "5", "csrf_token": token,
        },
    )
    assert r.status_code == 200
    assert r.json()["label_sync"] == "ok"
    assert ("add", 1, "kanban:qa") in fake_gitea.label_ops
    state = models.get_board_state("Projets/demo")
    assert 1 in [c["issue_number"] for c in state["qa"]]


def test_qa_cards_appear_in_focus(client, fake_gitea):
    models.move_issue("Projets/demo", 5, "qa")
    r = client.get("/focus")
    assert r.status_code == 200
    assert "Tâche focus" in r.text
    assert "🧪 QA" in r.text


# ── Label reconciliation (adoption) ───────────────────────────────


def test_board_adopts_diverging_kanban_label(client, fake_gitea):
    fake_gitea.issues["Projets/demo"].append(
        _labelled(9, "Déplacée via Gitea", ["kanban:review"])
    )
    r = client.get("/board/Projets/demo")
    assert r.status_code == 200
    assert "Déplacée via Gitea" in _column_block(r.text, "review")
    state = models.get_board_state("Projets/demo")
    assert 9 in [c["issue_number"] for c in state["review"]]
    events = [
        e for e in models.get_events("Projets/demo") if e["issue_number"] == 9
    ]
    assert any(
        e["event_type"] == "moved" and e["to_column"] == "review"
        and e["source"] == "gitea"
        for e in events
    )


def test_board_ignores_conflicting_kanban_labels(client, fake_gitea):
    fake_gitea.issues["Projets/demo"].append(
        _labelled(9, "Étiquettes en conflit", ["kanban:todo", "kanban:review"])
    )
    r = client.get("/board/Projets/demo")
    assert r.status_code == 200
    assert "Étiquettes en conflit" in _column_block(r.text, "backlog")
    state = models.get_board_state("Projets/demo")
    elsewhere = [
        c["issue_number"]
        for col, cards in state.items() if col != "backlog"
        for c in cards
    ]
    assert 9 not in elsewhere


def test_adoption_is_idempotent(client, fake_gitea):
    fake_gitea.issues["Projets/demo"].append(
        _labelled(9, "Stable", ["kanban:qa"])
    )
    client.get("/board/Projets/demo")
    client.get("/board/Projets/demo")
    events = [
        e for e in models.get_events("Projets/demo")
        if e["issue_number"] == 9 and e["event_type"] == "moved"
    ]
    assert len(events) == 1  # adopted once, then label and state agree


# ── Wallboard ─────────────────────────────────────────────────────


def test_wall_renders_active_projects(client):
    models.move_issue("Projets/demo", 5, "in_progress")
    r = client.get("/wall")
    assert r.status_code == 200
    assert "Projets/demo" in r.text
    assert "Tâche focus" in r.text  # the in-progress card is on the wall
    assert 'class="wall-slide active"' in r.text
    assert "🧪 QA" in r.text  # the six column counters include QA


def test_wall_single_repo_mode(client):
    r = client.get("/wall", params={"repo": "Projets/demo"})
    assert r.status_code == 200
    assert "Projets/demo" in r.text


def test_wall_unknown_repo_shows_empty_state(client):
    r = client.get("/wall", params={"repo": "Inconnu/xyz"})
    assert r.status_code == 200
    assert "Aucun projet actif" in r.text


def test_wall_is_behind_auth(monkeypatch, fake_gitea):
    monkeypatch.setenv("KANBANTE_AUTH_USER", "bruno")
    monkeypatch.setenv("KANBANTE_AUTH_PASSWORD", "motdepasse")
    with TestClient(main.app) as secured:
        assert secured.get("/wall").status_code == 401