package views

import (
	"errors"
	"fmt"
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/dialog"
	"fyne.io/fyne/v2/widget"
	"regexp"
	"work_cation/global"
	"work_cation/models"
	"work_cation/models/repo"
	"work_cation/pkg/utils"
)

func CreateErlangCard(w fyne.Window) fyne.CanvasObject {

	// user := repo.UserRepo.GetUserInfo(global.DB)
	var erlangCard = models.ErlangCards{
		UUID:   utils.CreateUUID(),
		UserIp: utils.Get192Ip(),
	}

	var items = []*widget.FormItem{
		{Text: "名称", Widget: widget.NewEntry()},
		{Text: "描述", Widget: widget.NewEntry()},
		{Text: "封面", Widget: widget.NewEntry(), HintText: "暂未支持可不填"},
		{Text: "是否默认展示", Widget: widget.NewEntry()},
		{Text: "模版内容", Widget: widget.NewEntry()},
	}

	var items2 []*widget.FormItem
	form2 := &widget.Form{
		Items:      items2,
		SubmitText: "保存创建",
		OnSubmit: func() {
			for _, item := range items {
				switch item.Text {
				case "名称":
					erlangCard.Title = item.Widget.(*widget.Entry).Text
				case "描述":
					erlangCard.Text = item.Widget.(*widget.Entry).Text
				case "封面":
					erlangCard.Covers = []string{item.Widget.(*widget.Entry).Text}
				case "是否默认展示":
					erlangCard.IsShowOut = item.Widget.(*widget.Entry).Text == "1"
				case "模版内容":
					erlangCard.Template = item.Widget.(*widget.Entry).Text
				default:

				}
			}

			if countVarOccurrences(erlangCard.Template) != len(items2) {
				dialog.ShowError(errors.New("变量名数量异常"), w)
				return
			}

			for _, item2 := range items2 {
				fmt.Println("key:", item2.Text, "value:", item2.Widget.(*widget.Entry).Text)
				erlangCard.VarName = append(erlangCard.VarName, item2.Widget.(*widget.Entry).Text)
			}
			err := repo.ErlangCardRepo.Create(global.DB, &erlangCard)
			if err != nil {
				dialog.ShowError(err, w)
			}
		},
	}

	form := &widget.Form{
		Items:      items,
		SubmitText: "生成变量表单",
		OnSubmit: func() {
			for _, item := range items {
				switch item.Text {
				case "模版内容":
					varSum := countVarOccurrences(item.Widget.(*widget.Entry).Text)
					for i := 0; i < varSum; i++ {
						newItem := &widget.FormItem{Text: fmt.Sprintf("变量%d", i+1), Widget: widget.NewEntry()}
						items2 = append(items2, newItem)
						form2.AppendItem(newItem)
					}
				default:
				}
			}

		},
	}
	return container.NewBorder(widget.NewSeparator(), nil, nil, nil, container.NewScroll(
		container.NewVBox(
			form,
			form2,
		)))
}

func countVarOccurrences(input string) int {
	re := regexp.MustCompile(`\$var`)
	matches := re.FindAllStringIndex(input, -1)
	return len(matches)
}