import tempfile
from pathlib import Path

from media_library_viewer_api.services.settings_store import SettingsStore


def test_backup_schema_created():
    with tempfile.TemporaryDirectory() as tmpdir:
        db_path = Path(tmpdir) / "test_settings.sqlite"
        store = SettingsStore(db_path)
        store.init_schema()
        with store.connect() as conn:
            tables = conn.execute(
                "SELECT name FROM sqlite_master WHERE type='table' AND name LIKE 'backup_%'"
            ).fetchall()
            table_names = [t[0] for t in tables]
            assert "backup_jobs" in table_names
            assert "backup_runs" in table_names
            assert "backup_alerts" in table_names


def test_backup_report_model():
    from media_library_viewer_api.models.backups import BackupReportRequest

    report = BackupReportRequest(
        name="test-backup",
        started_at="2026-05-11T02:00:00Z",
        status="success",
        ended_at="2026-05-11T02:15:00Z",
        duration_ms=900000,
        bytes_transferred=1024,
    )
    assert report.name == "test-backup"
    assert report.status == "success"


def test_create_job_and_run():
    with tempfile.TemporaryDirectory() as tmpdir:
        db_path = Path(tmpdir) / "test_settings.sqlite"
        store = SettingsStore(db_path)
        store.init_schema()

        job = store.upsert_backup_job({
            "name": "test-job",
            "source": "server-a:/data",
            "target": "server-b:/backups",
            "schedule_interval_seconds": 86400,
        })
        assert job["name"] == "test-job"

        run = store.create_backup_run({
            "job_id": job["id"],
            "started_at": 1715392800,
            "status": "success",
            "ended_at": 1715393700,
            "duration_ms": 900000,
            "bytes_transferred": 1024,
        })
        assert run["job_id"] == job["id"]
        assert run["status"] == "success"


def test_api_key_auth():
    with tempfile.TemporaryDirectory() as tmpdir:
        db_path = Path(tmpdir) / "test_settings.sqlite"
        store = SettingsStore(db_path)
        store.init_schema()

        from fastapi import HTTPException

        from media_library_viewer_api.auth import get_api_key, require_api_key
        from media_library_viewer_api.services import settings_store

        # Monkey-patch the global store for this test
        original_store = settings_store._store
        settings_store._store = store

        # Reset the cached API key
        import media_library_viewer_api.auth as auth_module
        auth_module._API_KEY = None

        try:
            # Should generate and return an API key
            api_key = get_api_key()
            assert api_key
            assert len(api_key) > 0

            # Should raise 401 without key
            try:
                require_api_key("")
                assert False, "Should have raised"
            except HTTPException as e:
                assert e.status_code == 401

            # Should raise 401 with wrong key
            try:
                require_api_key("Bearer wrong-key")
                assert False, "Should have raised"
            except HTTPException as e:
                assert e.status_code == 401

            # Should succeed with correct key
            result = require_api_key(f"Bearer {api_key}")
            assert result == f"Bearer {api_key}"
        finally:
            settings_store._store = original_store
            auth_module._API_KEY = None


def test_alert_failed_status():
    from media_library_viewer_api.services.backup_alert_engine import generate_alerts_for_run

    run = {
        "id": "run-1",
        "job_id": "job-1",
        "status": "failure",
        "bytes_transferred": 0,
        "duration_ms": 1000,
        "started_at": 1715392800,
    }
    alerts = generate_alerts_for_run(run, [], None)
    assert len(alerts) == 1
    assert alerts[0]["alert_type"] == "failed_status"
    assert alerts[0]["severity"] == "critical"


def test_backup_poller_detects_missed_schedule():
    import tempfile
    from pathlib import Path

    from media_library_viewer_api.services.backup_poller import BackupAlertPoller
    from media_library_viewer_api.services.settings_store import SettingsStore

    with tempfile.TemporaryDirectory() as tmpdir:
        db_path = Path(tmpdir) / "test_settings.sqlite"
        store = SettingsStore(db_path)
        store.init_schema()

        import time
        # Create job with created_at in the past so it's already overdue
        past_time = int(time.time()) - 200
        job = store.upsert_backup_job({
            "name": "old-job",
            "schedule_interval_seconds": 60,
        })
        # Override created_at to be in the past so missed schedule fires
        with store.connect() as conn:
            conn.execute("UPDATE backup_jobs SET created_at = ? WHERE id = ?", (past_time, job["id"]))

        poller = BackupAlertPoller()
        poller._run_cycle(store)

        alerts = store.list_backup_alerts(job_id=job["id"])
        assert len(alerts) == 1
        assert alerts[0]["alert_type"] == "missed_schedule"