from __future__ import annotations

from fastapi.testclient import TestClient

from gitea_codex_bot.db import get_session_factory
from gitea_codex_bot.main import app
from gitea_codex_bot.models import JobStatus, ReviewJob


def test_root_returns_tailwind_landing_page() -> None:
    client = TestClient(app)

    response = client.get("/")

    assert response.status_code == 200
    assert response.headers["content-type"].startswith("text/html")
    assert "Gitea Codex Review Bot" in response.text
    assert "cdn.tailwindcss.com" in response.text
    assert 'id="health-button"' in response.text
    assert 'id="failure-button"' in response.text
    assert 'id="health-modal"' in response.text
    assert 'fetch("/healthz"' in response.text
    assert 'fetch("/healthz/latest-failure"' in response.text


def test_404_returns_tailwind_page_for_browser_requests() -> None:
    client = TestClient(app)

    response = client.get("/missing", headers={"Accept": "text/html"})

    assert response.status_code == 404
    assert response.headers["content-type"].startswith("text/html")
    assert "Error 404" in response.text
    assert "cdn.tailwindcss.com" in response.text


def test_404_returns_json_for_non_browser_requests() -> None:
    client = TestClient(app)

    response = client.get("/missing", headers={"Accept": "application/json"})

    assert response.status_code == 404
    assert response.headers["content-type"].startswith("application/json")
    assert response.json() == {"detail": "Not Found"}


def test_healthz_latest_failure_returns_empty_when_no_failed_jobs() -> None:
    client = TestClient(app)
    response = client.get("/healthz/latest-failure")
    assert response.status_code == 200
    assert response.json() == {"status": "ok", "has_failed_job": False}


def test_healthz_latest_failure_returns_latest_failed_job() -> None:
    session_factory = get_session_factory()
    with session_factory() as session:
        first = ReviewJob(
            repo="acme/repo",
            pr_number=1,
            head_sha="1111111",
            trigger_comment_id=3001,
            trigger_comment_body="@codex review",
            command="review",
            requested_by="alice",
            status=JobStatus.failed,
            last_error="first error",
        )
        second = ReviewJob(
            repo="acme/repo",
            pr_number=2,
            head_sha="2222222",
            trigger_comment_id=3002,
            trigger_comment_body="@codex rerun",
            command="rerun",
            requested_by="bob",
            status=JobStatus.failed,
            last_error="second error",
        )
        session.add(first)
        session.add(second)
        session.commit()

    client = TestClient(app)
    response = client.get("/healthz/latest-failure")
    assert response.status_code == 200
    payload = response.json()
    assert payload["status"] == "ok"
    assert payload["has_failed_job"] is True
    assert payload["repo"] == "acme/repo"
    assert payload["pr_number"] == 2
    assert payload["command"] == "rerun"
    assert payload["head_sha"] == "2222222"
    assert payload["error"] == "second error"


def test_healthz_latest_job_returns_empty_when_no_jobs() -> None:
    client = TestClient(app)
    response = client.get("/healthz/latest-job")
    assert response.status_code == 200
    assert response.json() == {"status": "ok", "has_job": False}


def test_healthz_latest_job_returns_latest_job_details() -> None:
    session_factory = get_session_factory()
    with session_factory() as session:
        first = ReviewJob(
            repo="acme/repo",
            pr_number=3,
            head_sha="3333333",
            trigger_comment_id=3003,
            trigger_comment_body="@codex review",
            command="review",
            requested_by="alice",
            status=JobStatus.succeeded,
            result_json={"summary": "first summary"},
        )
        second = ReviewJob(
            repo="acme/repo",
            pr_number=4,
            head_sha="4444444",
            trigger_comment_id=3004,
            trigger_comment_body="@codex rerun",
            command="rerun",
            requested_by="bob",
            status=JobStatus.failed,
            last_error="failed later",
            result_json={"summary": "second summary"},
        )
        session.add(first)
        session.add(second)
        session.commit()

    client = TestClient(app)
    response = client.get("/healthz/latest-job")
    assert response.status_code == 200
    payload = response.json()
    assert payload["status"] == "ok"
    assert payload["has_job"] is True
    assert payload["repo"] == "acme/repo"
    assert payload["pr_number"] == 4
    assert payload["command"] == "rerun"
    assert payload["head_sha"] == "4444444"
    assert payload["job_status"] == "failed"
    assert payload["error"] == "failed later"
    assert payload["result_summary"] == "second summary"