from datetime import date, timedelta

from app.models import DailyRecordInput, MetricValue, TaskInput
from app.repository import ConflictError, JsonRepository


def task_payload():
    return TaskInput.model_validate({
        "name": "学习计划", "startDate": "2026-08-01", "priority": 2,
        "metrics": [
            {"name": "打卡", "kind": "checkin", "period": "day"},
            {"name": "刷题", "kind": "quantity", "period": "lifetime", "target": 100, "unit": "题"},
            {"name": "专注", "kind": "duration", "period": "day", "target": 3600},
        ],
    })


def test_crud_revision_soft_delete_and_purge(tmp_path):
    repo = JsonRepository(tmp_path)
    task = repo.create_task(task_payload())
    assert len(task["metrics"]) == 3
    updated = repo.update_task(task["taskId"], task_payload().model_copy(update={"name": "改名后的计划"}), task["version"])
    assert updated["taskId"] == task["taskId"] and updated["revision"] == 2
    assert repo.history(task["taskId"], date(2026, 8, 1), date(2026, 8, 1))["revisions"]
    deleted = repo.soft_delete_task(task["taskId"], updated["version"])
    assert repo.list_tasks()["items"] == []
    repo.restore_task(task["taskId"], deleted["version"])
    repo.soft_delete_task(task["taskId"], deleted["version"] + 1)
    repo.purge_task(task["taskId"], task["taskId"])
    assert repo.list_tasks(include_deleted=True)["items"] == []


def test_daily_mixed_metrics_history_and_idempotent_archive(tmp_path):
    repo = JsonRepository(tmp_path)
    task = repo.create_task(task_payload())
    values = [MetricValue(metricId=item["metricId"], value=1 if item["kind"] == "checkin" else 120) for item in task["metrics"]]
    record = repo.upsert_daily(task["taskId"], date(2026, 8, 10), DailyRecordInput(note="不错", values=values))
    assert record["version"] == 1
    repo.close_day(date(2026, 8, 10)); repo.close_day(date(2026, 8, 10))
    history = repo.history(task["taskId"], date(2026, 8, 10), date(2026, 8, 10))
    assert history["records"][0]["note"] == "不错"
    try:
        repo.upsert_daily(task["taskId"], date(2026, 8, 10), DailyRecordInput(expectedVersion=0, values=[]))
    except ConflictError:
        pass
    else:
        raise AssertionError("expected version conflict")