package cmd

import (
	"fmt"
	"log"
	"path/filepath"
	"strings"
	"time"

	"github.com/mizuki1412/go-core-kit/class/exception"
	"github.com/mizuki1412/go-core-kit/init/initkit"
	"github.com/mizuki1412/go-core-kit/service/configkit"
	"github.com/spf13/cobra"
	"github.com/xuri/excelize/v2"
)

func init() {
	rootCmd.AddCommand(gcoCmd)
	defFlagsGco(gcoCmd)
}

var gcoCmd = &cobra.Command{
	Use:   "gco",
	Short: "Generate construction order",
	Run: func(cmd *cobra.Command, args []string) {
		initkit.BindFlags(cmd)
		tp := configkit.GetString("gco.type", "kr")
		if tp == "kr" {
			handleGcoKr()
		} else if tp == "lx" {
			handleGcoLx()
		}
	},
}

func defFlagsGco(cmd *cobra.Command) {
	cmd.Flags().String("gco.template", "", "*Specify the template used to generate construction order")
	cmd.Flags().String("gco.file", "", "*Specify the file used to generate construction order")
	cmd.Flags().String("gco.type", "", "*Specify the type used to generate construction order")
}

func handleGcoLx() {
	templatePath := configkit.GetString("gco.template", "/Users/leo/Desktop/归档/集客零星/模板.xlsx")
	filePath := configkit.GetString("gco.file", "/Users/leo/Desktop/归档/集客零星/集客零星资源归档.xlsx")

	src, err := excelize.OpenFile(filePath)
	if err != nil {
		panic(exception.New(err.Error()))
	}
	defer src.Close()

	rows, err := src.GetRows("施工单2026年") // todo 每年修改
	if err != nil {
		panic(exception.New("缺少 Sheet：施工单2026年")) // todo 每年修改
	}

	// 跳过表头
	for i, row := range rows {
		if i == 0 {
			continue
		}

		// 防止越界
		getVal := func(idx int) string {
			if idx >= len(row) {
				return ""
			}
			return strings.TrimSpace(row[idx])
		}

		// Y列（索引24）标记为1
		if getVal(24) != "1" {
			continue
		}

		// 打开模板
		tpl, err := excelize.OpenFile(templatePath)
		if err != nil {
			log.Println("打开模板失败:", err)
			continue
		}

		sheet := "Sheet1"

		// 映射填充
		_ = tpl.SetCellValue(sheet, "B2", getVal(2))  // C -> B2
		_ = tpl.SetCellValue(sheet, "B3", getVal(0))  // A -> B3
		_ = tpl.SetCellValue(sheet, "B4", getVal(12)) // M -> B4
		_ = tpl.SetCellValue(sheet, "D4", getVal(13)) // N -> D4
		_ = tpl.SetCellValue(sheet, "B5", getVal(3))  // D -> B5
		_ = tpl.SetCellValue(sheet, "B6", getVal(14)) // O -> B6
		_ = tpl.SetCellValue(sheet, "B7", getVal(10)) // K -> B7
		_ = tpl.SetCellValue(sheet, "D7", getVal(11)) // L -> D7
		_ = tpl.SetCellValue(sheet, "B8", getVal(8))  // I -> B8
		_ = tpl.SetCellValue(sheet, "B9", getVal(9))  // J -> B9

		// 文件名：B列-C列.xlsx
		fileName := fmt.Sprintf("%s-%s.xlsx", getVal(1), getVal(2))

		// 清理非法文件名字符
		fileName = strings.ReplaceAll(fileName, "/", "_")
		fileName = strings.ReplaceAll(fileName, "\\", "_")
		fileName = strings.ReplaceAll(fileName, ":", "_")
		fileName = strings.ReplaceAll(fileName, "*", "_")
		fileName = strings.ReplaceAll(fileName, "?", "_")
		fileName = strings.ReplaceAll(fileName, "\"", "_")
		fileName = strings.ReplaceAll(fileName, "<", "_")
		fileName = strings.ReplaceAll(fileName, ">", "_")
		fileName = strings.ReplaceAll(fileName, "|", "_")

		// 保存路径（默认保存在模板同目录）
		outPath := filepath.Join(filepath.Dir(templatePath), "施工单", fileName)

		if err := tpl.SaveAs(outPath); err != nil {
			log.Println("保存失败:", outPath, err)
			_ = tpl.Close()
			continue
		}

		_ = tpl.Close()

		fmt.Println("生成施工单：", outPath)
	}
	fmt.Println("全部生成完成")
}

func handleGcoKr() {
	templatePath := configkit.GetString("gco.template", "/Users/leo/Desktop/归档/公众扩容/施工单模板.xlsx")
	filePath := configkit.GetString("gco.file", "/Users/leo/Downloads/扩容需求表.xlsx")
	src, err := excelize.OpenFile(filePath)
	if err != nil {
		panic(exception.New(err.Error()))
	}
	defer src.Close()
	rows, err := src.GetRows("扩容需求表")
	if err != nil {
		panic(exception.New("缺少 Sheet：扩容需求表"))
	}
	// 今天日期
	today := time.Now().Format("2006.01.02")
	today = strings.ReplaceAll(today, "-", ".")

	for i, row := range rows {
		if i == 0 {
			continue // 跳过表头
		}

		// V 列 index = 21
		if len(row) <= 22 || strings.TrimSpace(row[22]) != "1" {
			continue
		}

		// 必要字段
		var bVal, dVal, eVal, fVal, gVal, lVal, dPrefix string

		if len(row) > 1 {
			bVal = strings.TrimSpace(row[1])
		}

		if len(row) > 3 {
			dVal = strings.TrimSpace(row[3])

			// D列 去掉“新增”及之后部分
			if idx := strings.Index(dVal, "新增"); idx != -1 {
				dPrefix = dVal[:idx]
			} else {
				dPrefix = dVal
			}
		}

		if len(row) > 4 {
			eVal = strings.TrimSpace(row[4])
		}

		if len(row) > 5 {
			fVal = strings.TrimSpace(row[5])
		}
		if len(row) > 6 {
			gVal = strings.TrimSpace(row[6])
		}
		if len(row) > 11 {
			lVal = strings.TrimSpace(row[11])
		}

		// 打开模板（每次都打开一次，保证生成多份文件不会覆盖）
		tpl, err := excelize.OpenFile(templatePath)
		if err != nil {
			panic(exception.New("缺少 Sheet：扩容需求表"))
		}

		sheet := "Sheet1"

		// 写入日期
		tpl.SetCellValue(sheet, "B5", today)
		tpl.SetCellValue(sheet, "B15", today)

		// 写入 D 列
		tpl.SetCellValue(sheet, "B2", dVal)
		tpl.SetCellValue(sheet, "B12", dVal)

		// 写入 E 列
		tpl.SetCellValue(sheet, "B9", eVal)
		tpl.SetCellValue(sheet, "B19", eVal)

		// 写入 D 去掉新增之前部分
		tpl.SetCellValue(sheet, "B6", dPrefix)
		tpl.SetCellValue(sheet, "B16", dPrefix)

		// 输出文件名（F列 + D列）
		outName := ""
		if fVal == "" || fVal == "等无条件自动工单" || fVal == "需下" {
			outName = fmt.Sprintf("%s.xlsx", dVal)
		} else {
			outName = fmt.Sprintf("%s-%s.xlsx", dVal, fVal)
		}
		finishDate := time.Now()
		if gVal == "全覆盖" {
			finishDateStr := finishDate.AddDate(0, 0, 2).Format("1月2日")
			outName = finishDateStr + "需完成" + outName
		} else if gVal == "部分覆盖" {
			finishDateStr := finishDate.AddDate(0, 0, 5).Format("1月2日")
			outName = finishDateStr + "需完成" + outName
		} else if gVal == "未覆盖" {
			finishDateStr := finishDate.AddDate(0, 0, 15).Format("1月2日")
			outName = finishDateStr + "需完成" + outName
		}
		thisMonth := time.Now().Format("2006.01")
		bVal = strings.TrimSuffix(bVal, "网格")
		if lVal == "市公司整批扩容二级分光器清单" {
			outName = "(" + bVal + ")" + outName
			thisMonth = "批量二级" + time.Now().Format("2006.1.2")
		}
		outPath := filepath.Join(filepath.Dir(templatePath), "施工单", thisMonth, outName)
		err = tpl.SaveAs(outPath)
		if err != nil {
			panic(exception.New(err.Error()))
		}

		tpl.Close()
		fmt.Println("生成施工单：", outPath)
	}

	fmt.Println("全部生成完成")
}