#!/usr/bin/env python3
"""
对比验证脚本：比较测试库与正式库的4月数据
用法: python3 verify_import.py
"""
import psycopg2

def connect(dbname):
    return psycopg2.connect(host='localhost', port=5432, dbname=dbname, user='freedak')

def compare_table(test_cur, prod_cur, table_name, where_clause='1=1', key_cols=None, sum_cols=None):
    """对比两个库中同一表的数据"""
    print(f"\n--- {table_name} ---")
    
    # Row count
    test_cur.execute(f"SELECT count(*) FROM public.{table_name} WHERE {where_clause}")
    test_count = test_cur.fetchone()[0]
    prod_cur.execute(f"SELECT count(*) FROM public.{table_name} WHERE {where_clause}")
    prod_count = prod_cur.fetchone()[0]
    
    match = "✅" if test_count == prod_count else "❌"
    print(f"  行数: 测试库={test_count}, 正式库={prod_count} {match}")
    
    # Sum comparison
    if sum_cols:
        for col in sum_cols:
            test_cur.execute(f"SELECT round(coalesce(sum({col}),0)::numeric, 2) FROM public.{table_name} WHERE {where_clause}")
            test_sum = test_cur.fetchone()[0]
            prod_cur.execute(f"SELECT round(coalesce(sum({col}),0)::numeric, 2) FROM public.{table_name} WHERE {where_clause}")
            prod_sum = prod_cur.fetchone()[0]
            match = "✅" if abs(float(test_sum or 0) - float(prod_sum or 0)) < 0.01 else "❌"
            print(f"  {col}合计: 测试库={test_sum}, 正式库={prod_sum} {match}")
    
    return test_count == prod_count

def main():
    test_conn = connect('bill_query_test')
    prod_conn = connect('bill_query')
    test_cur = test_conn.cursor()
    prod_cur = prod_conn.cursor()
    
    print("=" * 60)
    print("  数据对比验证: 测试库 vs 正式库 (4月数据)")
    print("=" * 60)
    
    results = []
    
    # 1. 库存成本
    results.append(compare_table(
        test_cur, prod_cur, 'inventory_cost_records',
        where_clause="report_month = '2026-04-01'",
        sum_cols=['consumption_amount', 'opening_amount', 'ending_amount', 'purchase_amount']
    ))
    
    # 2. 菜品销售明细 (测试库只导入了1个文件，按文件对比)
    test_cur.execute("SELECT DISTINCT source_file FROM public.dish_sales_details")
    test_files = [r[0] for r in test_cur.fetchall()]
    for sf in test_files:
        results.append(compare_table(
            test_cur, prod_cur, 'dish_sales_details',
            where_clause=f"source_file = '{sf}'",
            sum_cols=['gross_amount', 'received_amount']
        ))
    
    # 3. 菜品成本
    results.append(compare_table(
        test_cur, prod_cur, 'dish_cost_analysis_summary',
        where_clause="1=1",
        sum_cols=['theoretical_cost', 'actual_cost', 'sales_amount']
    ))
    # 3b. 菜品成本原料明细
    results.append(compare_table(
        test_cur, prod_cur, 'dish_cost_analysis_material_detail',
        where_clause="1=1",
        sum_cols=['theoretical_amount', 'actual_amount']
    ))
    
    # 4. 营业费用
    results.append(compare_table(
        test_cur, prod_cur, 'operating_expense_records',
        where_clause="report_month = '2026-04-01'",
        sum_cols=['amount']
    ))
    
    # 5. 中央厨房
    ck_tables = {
        'central_kitchen_finished_receipt': ('receipt_date', ['amount', 'quantity']),
        'central_kitchen_recipe_consumption': ('business_date', ['theoretical_quantity', 'theoretical_amount', 'issue_quantity', 'issue_amount']),
        'central_kitchen_material_daily': ('business_date', ['amount']),
        'central_kitchen_processing_cost': ('report_month', ['theoretical_cost', 'actual_cost']),
    }
    for tbl, (date_col, sums) in ck_tables.items():
        # Check which sum cols actually exist
        test_cur.execute(f"SELECT column_name FROM information_schema.columns WHERE table_name='{tbl}'")
        actual_cols = [r[0] for r in test_cur.fetchall()]
        valid_sums = [c for c in sums if c in actual_cols]
        if date_col == 'report_month':
            where = f"{date_col} = '2026-04-01'"
        else:
            where = f"{date_col} >= '2026-04-01' AND {date_col} < '2026-05-01'"
        results.append(compare_table(
            test_cur, prod_cur, tbl,
            where_clause=where,
            sum_cols=valid_sums if valid_sums else None
        ))
    
    # 6. 配送明细
    results.append(compare_table(
        test_cur, prod_cur, 'distribution_detail_records',
        where_clause="report_month = '2026-04-01'",
        sum_cols=['cost_total_amount', 'outbound_total_amount', 'total_quantity']
    ))
    
    # 7. 薪资
    results.append(compare_table(
        test_cur, prod_cur, 'salary_detail_records',
        where_clause="1=1",
        sum_cols=['net_pay', 'gross_pay']
    ))
    
    # 8. 考勤
    results.append(compare_table(
        test_cur, prod_cur, 'attendance_records',
        where_clause="1=1",
        sum_cols=None
    ))
    
    # Summary
    print("\n" + "=" * 60)
    passed = sum(results)
    total = len(results)
    print(f"  通过: {passed}/{total}")
    if passed == total:
        print("  ✅ 所有对比通过")
    else:
        print(f"  ❌ {total - passed} 项对比失败")
    print("=" * 60)
    
    test_cur.close()
    prod_cur.close()
    test_conn.close()
    prod_conn.close()

if __name__ == '__main__':
    main()