package window

import (
	"citrons.xyz/talk/client/buffer"
	"citrons.xyz/talk/tui"
)

type Location interface {
	CreateWindow() Window
}

type Window interface {
	Prompt
	Location() Location
	Kill()
	Buffer() *buffer.Buffer
	ShowComposingReply()
}

type Prompt interface {
	Input() *tui.TextInput
	Send(text string)
	ShowStatusLine()
}

type WindowCache struct {
	windows map[Location]Window
}

func NewCache() WindowCache {
	return WindowCache {make(map[Location]Window)}
}

func (wc *WindowCache) Open(l Location) Window {
	if wc.windows[l] == nil {
		wc.windows[l] = l.CreateWindow()
	}
	return wc.windows[l]
}

func (wc *WindowCache) Evict(l Location) {
	if wc.windows[l] != nil {
		wc.windows[l].Kill()
	}
	delete(wc.windows, l)
}

func (wc *WindowCache) Get(l Location) Window {
	return wc.windows[l]
}

type DefaultWindow struct {
	In tui.TextInput
	Buf buffer.Buffer
}

func (dw *DefaultWindow) Location() Location {
	return nil
}

func (w *DefaultWindow) Buffer() *buffer.Buffer {
	return &w.Buf
}

func (dw *DefaultWindow) Kill() {}

func (w *DefaultWindow) Input() *tui.TextInput {
	return &w.In
}

func (w *DefaultWindow) Send(text string) {}

func (w *DefaultWindow) ShowStatusLine() {}

func (w *DefaultWindow) ShowComposingReply() {}