package plugin

import (
	"fmt"
	"os"
	"path/filepath"

	"github.com/mattermost/mattermost/server/public/model"
)

// ensureBot создает или получает бота для отправки сообщений
func (p *Plugin) ensureBot() error {
	const botUsername = "sentry"

	user, appErr := p.API.GetUserByUsername(botUsername)
	if appErr == nil && user != nil {
		if !user.IsBot {
			return fmt.Errorf("user @%s exists but is not a bot", botUsername)
		}
		p.botUserID = user.Id
		return nil
	}

	bot := &model.Bot{
		Username:    botUsername,
		DisplayName: "Sentry",
		Description: "Sentry notifications bot",
	}

	createdBot, appErr := p.API.CreateBot(bot)
	if appErr != nil {
		p.API.LogError("Failed to create Sentry bot", "error", appErr.Error())
		return appErr
	}

	p.botUserID = createdBot.UserId

	// Устанавливаем иконку после создания бота
	if err := p.setBotIcon(); err != nil {
		p.API.LogWarn("Failed to set bot icon", "error", err.Error())
	}

	return nil
}

func (p *Plugin) setBotIcon() error {
	if p.botUserID == "" {
		return fmt.Errorf("bot user ID is not set")
	}

	bundlePath := p.bundlePath
	if bundlePath == "" {
		var err error
		bundlePath, err = p.API.GetBundlePath()
		if err != nil {
			return fmt.Errorf("failed to get bundle path: %w", err)
		}
	}

	iconPath := filepath.Join(bundlePath, "assets", "icon.png")

	iconData, err := os.ReadFile(iconPath)
	if err != nil {
		return fmt.Errorf("failed to read icon file: %w", err)
	}

	if appErr := p.API.SetProfileImage(p.botUserID, iconData); appErr != nil {
		return fmt.Errorf("failed to set profile image: %s", appErr.Error())
	}

	p.API.LogInfo("Bot icon set successfully")
	return nil
}