package showView

import (
	"encoding/json"
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/dialog"
	"fyne.io/fyne/v2/widget"
	"github.com/atotto/clipboard"
	"os"
	"path/filepath"
	"strings"
	"work_cation/cfg"
	"work_cation/models"
)

func ErlangCardNoVarView(w fyne.Window, baseInfo *models.BaseCard) (fyne.CanvasObject, error) {
	button := widget.NewButton("复制", func() {
		// 读取类型文件数据
		infoPath := filepath.Join(cfg.T.CardDir, baseInfo.UUID, cfg.T.CardInfo)
		bytes, err := os.ReadFile(infoPath)
		if err != nil {
			dialog.ShowError(err, w)
			return
		}
		var data models.ErlangCards
		err = json.Unmarshal(bytes, &data)
		if err != nil {
			dialog.ShowError(err, w)
			return
		}
		cleanedText := strings.ReplaceAll(data.Template, "\r", "")
		cleanedText = strings.ReplaceAll(cleanedText, "\n", "")
		err = clipboard.WriteAll(cleanedText)
		if err != nil {
			dialog.ShowError(err, w)
			return
		}
		dialog.NewInformation("复制脚本成功", data.Template, w).Show()
	})
	return button, nil
}

func ErlangCardView(w fyne.Window, baseInfo *models.BaseCard) (fyne.CanvasObject, error) {
	cardButton := widget.NewButton("OPEN", func() {
		// 读取类型文件数据
		infoPath := filepath.Join(cfg.T.CardDir, baseInfo.UUID, cfg.T.CardInfo)
		bytes, err := os.ReadFile(infoPath)
		if err != nil {
			dialog.ShowError(err, w)
			return
		}
		var data models.ErlangCards
		err = json.Unmarshal(bytes, &data)
		if err != nil {
			dialog.ShowError(err, w)
			return
		}
		go UseErlangCard(&data)
	})
	//image := canvas.NewImageFromResource(assets.LogoDataSR)
	//image.FillMode = canvas.ImageFillContain
	//card.SetImage(image)
	return cardButton, nil
}

func UseErlangCard(data *models.ErlangCards) {
	var template = data.Template
	var vars = data.VarName

	myApp := fyne.CurrentApp()
	myWindow := myApp.NewWindow(data.Title)
	myWindow.CenterOnScreen()
	myWindow.Resize(fyne.NewSize(500, 0))

	var items []*widget.FormItem
	for index, key := range vars {
		wid := widget.NewEntry()
		if len(data.VarContent) > index {
			wid.SetText(data.VarContent[index])
		}
		items = append(items, &widget.FormItem{Text: key, Widget: wid})
	}

	var text string
	if data.IsShowOut {
		text = replaceVars(template, data.VarContent)
	}
	showErlang := widget.NewLabel(text)
	showButton := widget.NewButton("...", nil)
	upOut := func() {
		if data.IsShowOut {
			text = replaceVars(template, data.VarContent)
			showErlang.SetText(text)
			showButton.SetText("隐藏输出")
		} else {
			text = ""
			showErlang.SetText(text)
			showButton.SetText("展示输出")
		}
	}
	upOut()
	showButton.OnTapped = func() {
		data.IsShowOut = !data.IsShowOut
		upOut()
	}

	form := &widget.Form{
		Items:      items,
		SubmitText: "生成并复制",
		OnSubmit: func() {
			var values []string
			for _, item := range items {
				values = append(values, item.Widget.(*widget.Entry).Text)
			}
			data.VarContent = values
			//out.SetText(replaceVars(template, data.VarContent))
			err := clipboard.WriteAll(replaceVars(template, data.VarContent))
			if err != nil {
				dialog.ShowError(err, myWindow)
			}
			upOut()
		},
	}

	title := widget.NewCard(data.Title, data.Text, nil)

	content := container.NewVBox(
		title,
		widget.NewLabel("输入模版参数:"),
		form,
		widget.NewLabel("输出:"),
		showErlang,
		showButton,
	)

	myWindow.SetContent(content)
	myWindow.Show()
}

func replaceVars(input string, replacements []string) string {
	varIndex := 0
	result := input

	for strings.Contains(result, "$var") && varIndex < len(replacements) {
		result = strings.Replace(result, "$var", replacements[varIndex], 1)
		varIndex++
	}
	cleanedText := strings.ReplaceAll(result, "\r", "")
	cleanedText = strings.ReplaceAll(cleanedText, "\n", "")
	return cleanedText
}