"""Palier 7 (0.10.0): mode Triage (issue #11)."""

import json
import re

from tests.conftest import csrf_from


def _queue_from(page_html: str) -> list:
    m = re.search(
        r'<script id="triage-queue" type="application/json">(.*?)</script>',
        page_html, re.S,
    )
    assert m, "file de triage absente de la page"
    return json.loads(m.group(1))


def test_triage_picker_lists_project_with_backlog(client, fake_gitea):
    r = client.get("/triage")
    assert r.status_code == 200
    assert "Projets/demo" in r.text
    assert "au backlog" in r.text


def test_triage_session_queue_is_backlog_only(client, fake_gitea):
    r = client.get("/triage/Projets/demo")
    assert r.status_code == 200
    queue = _queue_from(r.text)
    numbers = [c["number"] for c in queue]
    # Open issues of the fake repo: #1 and #5, both unplaced -> backlog.
    # #3 is closed (goes to done), #2 is a PR (excluded).
    assert numbers == [1, 5]
    card = queue[0]
    assert card["title"] == "Tâche un"
    assert "excerpt" in card and "html_url" in card


def test_triage_session_empty_when_nothing_to_triage(client, fake_gitea):
    for issue in fake_gitea.issues["Projets/demo"]:
        if issue["number"] in (1, 5):
            issue["state"] = "closed"
    r = client.get("/triage/Projets/demo")
    assert r.status_code == 200
    assert _queue_from(r.text) == []


def test_assign_self_adds_token_user(client, fake_gitea):
    token = csrf_from(client)
    # Issue #5 is unassigned in the fake; #1 already belongs to bruno.
    r = client.post(
        "/api/issues/Projets/demo/5/assign-self",
        data={"csrf_token": token},
    )
    assert r.status_code == 200
    assert r.json()["ok"] is True
    assert r.json()["assignees"] == ["bruno"]
    assert fake_gitea.assignee_changes == [("Projets", "demo", 5, ["bruno"])]
    # Idempotent: assigning #1 (already bruno's) writes nothing.
    r = client.post(
        "/api/issues/Projets/demo/1/assign-self",
        data={"csrf_token": token},
    )
    assert r.status_code == 200
    assert r.json()["assignees"] == ["bruno"]
    assert len(fake_gitea.assignee_changes) == 1


def test_assign_self_requires_csrf(client, fake_gitea):
    r = client.post("/api/issues/Projets/demo/1/assign-self", data={})
    assert r.status_code == 403
    assert fake_gitea.assignee_changes == []


def test_excerpt_strips_markdown():
    from app.main import _excerpt

    text = _excerpt("# Titre\n\nDu **gras** et un [lien](http://x) ici.", 280)
    assert "Titre" in text and "gras" in text and "lien" in text
    assert "#" not in text and "**" not in text
    assert _excerpt(None) == ""
    assert len(_excerpt("mot " * 200, 50)) <= 51