"""Tests for the reference repository + service.

Demonstrates the testing pattern: arrange an entity, exercise the repo/service,
assert on the result. Aim for >=90% coverage on new code (ARCHITECTURE.md §10).
"""

from datetime import datetime
from uuid import uuid4

import pytest

from app.entities.personal_data import PersonalData
from app.entities.vacation_days import VacationDays
from app.entities.workspace import Workspace
from app.repositories_impl.sqlite.personal_data_repository import SQLitePersonalDataRepository
from app.repositories_impl.sqlite.vacation_days_repository import (
    SQLiteVacationDaysRepository,
)
from app.repositories_impl.sqlite.workspace_repository import SQLiteWorkspaceRepository
from app.services.vacation_days_service import VacationDaysService
from app.utils.errors import NotFoundError, ValidationError
from tests.conftest import SeededIds


def _make(workspace_id=None, personal_data_uuid=None, **overrides) -> VacationDays:
    base = dict(
        id=uuid4(),
        personal_data_uuid=personal_data_uuid or uuid4(),
        workspace_id=workspace_id or uuid4(),
        year=2026,
        total_days=25,
        saved_days_in=0,
        created_at=datetime.now(),
        updated_at=datetime.now(),
    )
    base.update(overrides)
    return VacationDays(**base)


class TestSQLiteVacationDaysRepository:
    async def test_create_and_get_by_id(
        self,
        vacation_repo: SQLiteVacationDaysRepository,
        seeded_ids: SeededIds,
    ) -> None:
        entity = _make(
            workspace_id=seeded_ids.workspace_id, personal_data_uuid=seeded_ids.personal_data_uuid
        )
        await vacation_repo.create(entity)

        fetched = await vacation_repo.get_by_id(entity.id)
        assert fetched is not None
        assert fetched.id == entity.id
        assert fetched.total_days == 25

    async def test_get_by_parent_year(
        self,
        vacation_repo: SQLiteVacationDaysRepository,
        seeded_ids: SeededIds,
    ) -> None:
        entity = _make(
            workspace_id=seeded_ids.workspace_id, personal_data_uuid=seeded_ids.personal_data_uuid
        )
        await vacation_repo.create(entity)

        found = await vacation_repo.get_by_parent_year(entity.personal_data_uuid, 2026)
        assert found is not None
        assert found.id == entity.id

        missing = await vacation_repo.get_by_parent_year(uuid4(), 2026)
        assert missing is None

    async def test_update(
        self,
        vacation_repo: SQLiteVacationDaysRepository,
        seeded_ids: SeededIds,
    ) -> None:
        entity = _make(
            total_days=20,
            workspace_id=seeded_ids.workspace_id,
            personal_data_uuid=seeded_ids.personal_data_uuid,
        )
        await vacation_repo.create(entity)

        entity.total_days = 30
        updated = await vacation_repo.update(entity.id, entity)
        assert updated.total_days == 30

    async def test_update_missing_raises(self, vacation_repo: SQLiteVacationDaysRepository) -> None:
        with pytest.raises(NotFoundError):
            await vacation_repo.update(uuid4(), _make())

    async def test_delete(
        self,
        vacation_repo: SQLiteVacationDaysRepository,
        seeded_ids: SeededIds,
    ) -> None:
        entity = _make(
            workspace_id=seeded_ids.workspace_id, personal_data_uuid=seeded_ids.personal_data_uuid
        )
        await vacation_repo.create(entity)
        await vacation_repo.delete(entity.id)
        assert await vacation_repo.get_by_id(entity.id) is None

    async def test_delete_missing_raises(self, vacation_repo: SQLiteVacationDaysRepository) -> None:
        with pytest.raises(NotFoundError):
            await vacation_repo.delete(uuid4())

    async def test_list_filters_by_workspace(
        self,
        vacation_repo: SQLiteVacationDaysRepository,
        seeded_ids: SeededIds,
        workspace_repo: SQLiteWorkspaceRepository,
        personal_data_repo: SQLitePersonalDataRepository,
    ) -> None:
        ws = seeded_ids.workspace_id
        pd_uuid = seeded_ids.personal_data_uuid

        # Create a second workspace + personal_data for the "different workspace" row
        ws2 = await workspace_repo.create(
            Workspace(id=uuid4(), name="WS2", created_at=datetime.now())
        )
        pd2 = await personal_data_repo.create(
            PersonalData(
                uuid=uuid4(), workspace_id=ws2.id, name="Parent2", created_at=datetime.now()
            )
        )

        await vacation_repo.create(_make(workspace_id=ws, personal_data_uuid=pd_uuid, year=2025))
        await vacation_repo.create(_make(workspace_id=ws, personal_data_uuid=pd_uuid, year=2026))
        await vacation_repo.create(_make(workspace_id=ws2.id, personal_data_uuid=pd2.uuid))

        rows = await vacation_repo.list(workspace_id=ws)
        assert len(rows) == 2
        assert [r.year for r in rows] == [2026, 2025]  # ordered year DESC

    async def test_list_rejects_unsupported_filter(
        self,
        vacation_repo: SQLiteVacationDaysRepository,
    ) -> None:
        """Passing an unsupported filter must raise ValueError."""
        with pytest.raises(ValueError, match="invalid_filter"):
            await vacation_repo.list(invalid_filter="value")

    async def test_list_error_message_lists_supported_filters(
        self,
        vacation_repo: SQLiteVacationDaysRepository,
    ) -> None:
        """Error message should list all supported filters (sorted)."""
        with pytest.raises(ValueError, match="personal_data_uuid.*workspace_id.*year"):
            await vacation_repo.list(bad_filter="value")


class TestVacationDaysService:
    async def test_upsert_creates_then_updates(
        self,
        vacation_service: VacationDaysService,
        seeded_ids: SeededIds,
    ) -> None:
        parent = seeded_ids.personal_data_uuid
        ws = seeded_ids.workspace_id
        created = await vacation_service.upsert(parent, ws, 2026, 25)
        assert created.total_days == 25

        updated = await vacation_service.upsert(parent, ws, 2026, 30, saved_days_in=5)
        assert updated.id == created.id  # same (parent, year) row
        assert updated.total_days == 30
        assert updated.saved_days_in == 5

    async def test_upsert_rejects_negative(self, vacation_service: VacationDaysService) -> None:
        with pytest.raises(ValidationError):
            await vacation_service.upsert(uuid4(), uuid4(), 2026, -1)

    async def test_get_missing_raises(self, vacation_service: VacationDaysService) -> None:
        with pytest.raises(NotFoundError):
            await vacation_service.get(uuid4())