"""全局自检：路由、数据、财务展示。用法: python scripts/global_check.py"""
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(ROOT))

ISSUES = []


def issue(level, code, msg):
    ISSUES.append((level, code, msg))
    print(f'[{level}] {code}: {msg}')


def main():
    from app import create_app
    from models import (
        db, StudentAccount, Course, MonthlySnapshot, RechargeRecord,
        ConsumptionRecord, RefundRecord,
    )

    app = create_app()
    with app.app_context():
        # 数据健康
        n_recharge = RechargeRecord.query.count()
        n_consume = ConsumptionRecord.query.count()
        n_snap = MonthlySnapshot.query.count()
        n_course_price = Course.query.filter(Course.price_per_hour > 0).count()
        n_orig = StudentAccount.query.filter(
            StudentAccount.original_price_per_lesson > 0,
        ).count()

        if n_snap > 100 and n_recharge == 0 and n_consume == 0:
            issue(
                'INFO', 'DATA-01',
                '业务数据主要来自 Excel 快照（充值/消课表为空），统计页应看「课时核对表」月份',
            )
        if n_snap > 0 and n_orig == 0:
            issue(
                'WARN', 'DATA-02',
                '账户未写入 original_price_per_lesson；已支持从快照单价回填，请重启 app',
            )
        if n_course_price == 0:
            issue(
                'WARN', 'DATA-03',
                '课程表 price_per_hour 均为 0，建议在「课程管理」维护原价单价',
            )

        # 路由冒烟
        client = app.test_client()
        client.post('/login', data={'username': 'admin', 'password': 'admin123'})
        paths = [
            '/students', '/students/detail/1', '/statistics',
            '/keshibiao/snapshots?year=2026&month=4',
        ]
        for p in paths:
            r = client.get(p, follow_redirects=True)
            if r.status_code >= 500:
                issue('FAIL', 'HTTP', f'{p} -> {r.status_code}')

        # 财务计算抽样
        from finance_display import account_refund_display, build_refund_preview
        from keshi_display import attach_latest_snapshots, snapshot_lessons_display, get_latest_period

        py, pm = get_latest_period()
        acc = StudentAccount.query.first()
        if acc:
            snap = attach_latest_snapshots([acc], py, pm).get(acc.id)
            lg = snapshot_lessons_display(snap, acc) if snap else {}
            d = account_refund_display(acc, lg, snap)
            if d['kind'] == 'no_price' and snap and float(snap.unit_price or 0) > 0:
                issue(
                    'WARN', 'FIN-01',
                    '快照有单价但应退仍为「-」，请重启以执行单价回填',
                )

    print('\n=== 汇总 ===')
    if not ISSUES:
        print('未发现阻塞性问题。')
    else:
        fails = [i for i in ISSUES if i[0] == 'FAIL']
        print(f'共 {len(ISSUES)} 条（失败 {len(fails)}）')
    return 1 if any(i[0] == 'FAIL' for i in ISSUES) else 0


if __name__ == '__main__':
    sys.exit(main())