#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
測試完整匯入流程
"""

import sys
import os
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

import pandas as pd
import numpy as np
from datetime import date, datetime
from database.vendor_manager import VendorDatabaseManager
from database.vendor_models import VendorStockout

# 讀取 Excel
excel_path = '/Users/ogt/Downloads/缺貨測試.xlsx'
df = pd.read_excel(excel_path)

print("=" * 80)
print("測試完整匯入流程")
print("=" * 80)

# 檢查是否有當前日期欄位
has_date_column = '當前日期' in df.columns
print(f"\n是否有當前日期欄位: {has_date_column}")

# 處理第一行
idx = 0
row = df.iloc[idx]

print(f"\n處理第 {idx+1} 行")
print("-" * 80)

# 日期轉換
row_import_date = date.today()
if has_date_column:
    date_value = row.get('當前日期')
    print(f"當前日期原始值: {date_value}, 類型: {type(date_value).__name__}")

    if pd.notna(date_value):
        print(f"  pd.notna: True")
        if isinstance(date_value, (int, float, np.integer, np.floating)):
            print(f"  是數字類型 (包括 numpy)")
            parsed_date = pd.to_datetime(date_value, unit='D', origin='1899-12-30', errors='coerce')
            print(f"  parsed_date: {parsed_date}")
            if pd.notna(parsed_date):
                row_import_date = parsed_date.date()
                print(f"  ✅ 轉換成功: {row_import_date}")

# 缺貨日期轉換
stockout_date_value = row.get('缺貨日期')
stockout_date_obj = None
print(f"\n缺貨日期原始值: {stockout_date_value}, 類型: {type(stockout_date_value).__name__}")

if pd.notna(stockout_date_value):
    print(f"  pd.notna: True")
    if isinstance(stockout_date_value, (int, float, np.integer, np.floating)):
        print(f"  是數字類型 (包括 numpy)")
        stockout_parsed = pd.to_datetime(stockout_date_value, unit='D', origin='1899-12-30', errors='coerce')
        print(f"  stockout_parsed: {stockout_parsed}")
        if pd.notna(stockout_parsed):
            stockout_date_obj = stockout_parsed.date()
            print(f"  ✅ 轉換成功: {stockout_date_obj}")

# 建立 record
print("\n建立 record:")
print("-" * 80)

record = {
    'import_date': row_import_date,
    'department': row.get('處別'),
    'section': row.get('科別'),
    'pm_name': row.get('PM姓名'),
    'zone_id': row.get('區ID'),
    'zone_name': row.get('區名稱'),
    'product_code': str(row.get('商品ID', '')).strip(),
    'product_name': str(row.get('商品名稱', '')).strip(),
    'product_spec': row.get('單品/組合商品'),
    'borrow_transfer': row.get('借採轉'),
    'sale_price': None,
    'cost_price': None,
    'vendor_code': str(row.get('來源供應商編號', '')).strip(),
    'vendor_name': str(row.get('來源供應商名稱', '')).strip(),
    'current_stock': row.get('商品可賣量'),
    'stockout_date': stockout_date_obj,
    'stockout_days': row.get('缺貨天數'),
    'monthly_sales_amount': row.get('缺貨商品前30天業績'),
    'monthly_sales_qty': row.get('最近30天銷售量'),
    'daily_avg_sales': None,
    'safe_stock_days': row.get('庫存水位'),
    'notes': None
}

for key, value in record.items():
    print(f"  {key}: {value}")

# 寫入資料庫
print("\n" + "=" * 80)
print("寫入資料庫")
print("=" * 80)

db = VendorDatabaseManager()
session = db.get_session()

try:
    # 生成批次ID
    batch_id = datetime.now().strftime('%Y%m%d_%H%M%S')

    stockout_item = VendorStockout(
        batch_id=batch_id,
        import_date=record['import_date'],
        import_time=datetime.now(),
        department=record['department'],
        section=record['section'],
        pm_name=record['pm_name'],
        zone_id=record['zone_id'],
        zone_name=record['zone_name'],
        product_code=record['product_code'],
        product_name=record['product_name'],
        product_spec=record['product_spec'],
        borrow_transfer=record['borrow_transfer'],
        sale_price=record['sale_price'],
        cost_price=record['cost_price'],
        vendor_code=record['vendor_code'],
        vendor_name=record['vendor_name'],
        monthly_sales_qty=record['monthly_sales_qty'],
        monthly_sales_amount=record['monthly_sales_amount'],
        daily_avg_sales=record['daily_avg_sales'],
        current_stock=record['current_stock'],
        stockout_date=record['stockout_date'],
        stockout_days=record['stockout_days'],
        safe_stock_days=record['safe_stock_days'],
        notes=record['notes'],
        status='pending'
    )

    session.add(stockout_item)
    session.commit()

    print(f"✅ 寫入成功")

    # 刷新 session
    session.expire_all()

    # 讀回資料驗證
    print("\n讀回資料驗證:")
    print("-" * 80)
    saved = session.query(VendorStockout).filter_by(product_code=record['product_code']).first()

    if saved:
        print(f"  當前日期: {saved.import_date}")
        print(f"  區ID: {saved.zone_id}")
        print(f"  區名稱: {saved.zone_name}")
        print(f"  借採轉: {saved.borrow_transfer}")
        print(f"  缺貨日期: {saved.stockout_date}")
        print(f"  缺貨天數: {saved.stockout_days}")
        print(f"  商品可賣量: {saved.current_stock}")
        print(f"  庫存水位: {saved.safe_stock_days}")

except Exception as e:
    session.rollback()
    print(f"❌ 寫入失敗: {e}")
    import traceback
    traceback.print_exc()
finally:
    session.close()