"""End-to-end coverage for the user-critical backend workflows."""

import os
import shutil
import uuid
from pathlib import Path

import pymupdf
from fastapi.testclient import TestClient

_ROOT = Path.cwd() / ".pytest-paperjet-api"
shutil.rmtree(_ROOT, ignore_errors=True)
_ROOT.mkdir()
os.environ.update(
    {
        "PAPERJET_SECRET_KEY": "test-secret-key",
        "PAPERJET_DATABASE_PATH": str(_ROOT / "db" / "app.sqlite"),
        "PAPERJET_PDF_STORAGE_PATH": str(_ROOT / "pdfs"),
        "PAPERJET_THUMBNAILS_PATH": str(_ROOT / "thumbnails"),
        "PAPERJET_DEBUG": "false",
    }
)

from app.main import app  # noqa: E402


def _pdf_bytes() -> bytes:
    document = pymupdf.open()
    document.new_page(width=240, height=320)
    content = document.tobytes()
    document.close()
    return content


def test_setup_upload_annotate_version_export_and_trash_restore() -> None:
    csrf = {"X-Requested-With": "XMLHttpRequest"}
    annotation_id = str(uuid.uuid4())
    annotation = {
        "id": annotation_id,
        "page": 0,
        "type": "text",
        "rect": {"x": 20, "y": 30, "width": 120, "height": 30},
        "rotation": 0,
        "z": 0,
        "props": {
            "text": "Persisted note",
            "fontFamily": "Liberation Sans",
            "fontSize": 14,
            "color": "#000000",
        },
        "createdAt": "2026-08-14T00:00:00Z",
        "updatedAt": "2026-08-14T00:00:00Z",
    }

    with TestClient(app) as client:
        assert client.get("/api/v1/health").json()["status"] == "ok"
        assert client.get("/api/v1/auth/status").json()["setupRequired"] is True

        setup = client.post("/api/v1/auth/setup", json={"password": "correct horse"}, headers=csrf)
        assert setup.status_code == 200
        assert client.get("/api/v1/auth/status").json()["loggedIn"] is True

        upload = client.post(
            "/api/v1/documents",
            files={"file": ("sample.pdf", _pdf_bytes(), "application/pdf")},
            headers=csrf,
        )
        assert upload.status_code == 201
        document_id = upload.json()["id"]

        saved = client.put(
            f"/api/v1/documents/{document_id}/annotations",
            json={"data": [annotation]},
            headers=csrf,
        )
        assert saved.status_code == 200
        assert client.get(f"/api/v1/documents/{document_id}/annotations").json()["data"] == [
            annotation
        ]

        version = client.post(
            f"/api/v1/documents/{document_id}/versions",
            json={"label": "Before export"},
            headers=csrf,
        )
        assert version.status_code == 201
        version_id = version.json()["id"]

        changed = {**annotation, "props": {**annotation["props"], "text": "Changed"}}
        client.put(
            f"/api/v1/documents/{document_id}/annotations",
            json={"data": [changed]},
            headers=csrf,
        )
        restored = client.post(
            f"/api/v1/documents/{document_id}/versions/{version_id}/restore",
            headers=csrf,
        )
        assert restored.status_code == 200
        assert client.get(f"/api/v1/documents/{document_id}/annotations").json()["data"] == [
            annotation
        ]

        exported = client.post(
            f"/api/v1/documents/{document_id}/export",
            json={"flatten": True},
            headers=csrf,
        )
        assert exported.status_code == 200
        with pymupdf.open(stream=exported.content, filetype="pdf") as document:
            assert "Persisted note" in document[0].get_text("text")

        assert client.delete(f"/api/v1/documents/{document_id}", headers=csrf).status_code == 200
        assert client.get("/api/v1/documents").json()["total"] == 0
        assert client.get("/api/v1/documents/trash").json()["total"] == 1
        assert (
            client.post(f"/api/v1/documents/{document_id}/restore", headers=csrf).status_code == 200
        )
        assert client.get("/api/v1/documents").json()["total"] == 1

    shutil.rmtree(_ROOT, ignore_errors=True)