package screen

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/widget"
)

type Config struct {
	fields   []*FormField
	commands chan interface{}
	show     chan ShowRequest
	root     *fyne.Container
}

func NewConfig(commands chan interface{}, show chan ShowRequest) *Config {
	fields := []*FormField{}
	for _, f := range [][2]string{
		{"ConfigIMAPURL", "imap url"},
		{"ConfigIMAPUser", "imap user"},
		{"ConfigIMAPPassword", "imap password"},
		{"ConfigIMAPFolderPrefix", "imap folder prefix"},
		{"ConfigSMTPURL", "smtp url"},
		{"ConfigSMTPUser", "smtp user"},
		{"ConfigSMTPPassword", "smtp password"},
		{"ConfigGTEToName", "to name"},
		{"ConfigGTEToAddress", "to address"},
		{"ConfigGTEFromName", "from name"},
		{"ConfigGTEFromAddress", "from address"},
		{"ConfigGTELocalDBPath", "local db path"},
	} {
		fields = append(fields, NewFormField(f[0], f[1]))
	}

	config := &Config{
		fields:   fields,
		commands: commands,
		show:     show,
	}
	config.Init()

	return config
}

func (cf *Config) Save() {
	req := SaveConfigRequest{
		Fields: map[string]string{},
	}
	for _, f := range cf.fields {
		req.Fields[f.Key] = f.GetValue()
	}
	cf.commands <- req
	cf.show <- ShowRequest{Screen: "tasks"}
}

func (cf *Config) Refresh(state State) {
	for _, f := range cf.fields {
		if v, ok := state.Config[f.Key]; ok {
			f.SetValue(v)
		}
	}
}

func (cf *Config) Init() {
	configForm := widget.NewForm()
	for _, f := range cf.fields {
		w := widget.NewEntry()
		w.Bind(f.Value)
		configForm.Append(f.Label, w)
	}

	configForm.SubmitText = "save"
	configForm.OnSubmit = cf.Save
	configForm.Enable()

	cf.root = container.NewBorder(
		nil,
		nil,
		nil,
		nil,
		configForm,
	)
}

func (cf *Config) Content() *fyne.Container {
	return cf.root
}

func (cf *Config) Hide() {
	cf.root.Hide()
}

func (cf *Config) Show(_ Task) {
	cf.root.Show()
}