package profileHandler

import (
	"fmt"
	"runtime/debug"

	"gitea.cybertalant.ru/VisionCareerMiniapp/MiniappGoService/internal/application/constants"
	tele "gopkg.in/telebot.v4"
)

func (t *handler) universalDocumentHandler(ctx tele.Context) error {
	op := "profileHandler/universalDocumentHandler"
	// Start recovering
	defer func() {
		if r := recover(); r != nil {
			t.logger.Error(fmt.Sprintf("%v - Panic recovered: %v\nStack trace:\n%s", op, r, debug.Stack()))
		}
	}()
	// Common variables
	msg := ""
	val := ctx.Message().Document
	needUpdateUser := true
	mainKeys := new(tele.ReplyMarkup)
	// Check user
	var id int64
	var username *string

	if ctx.Chat().Username == "" {
		username = nil
	} else {
		username = &ctx.Chat().Username
	}
	id = ctx.Chat().ID

	user, err := t.profileService.CheckUser(id, username)
	if err != nil {
		t.logger.Error(fmt.Sprintf("%v: %v", op, err.Error()))
		return nil
	}
	// Check document and fetch file
	if val == nil {
		return ctx.Send(constants.BadResumeBotMessage)
	} else {
		reader, err := t.bot.File(&val.File)
		if err != nil {
			return fmt.Errorf("failed to fetch file: %w", err)
		}
		defer reader.Close()
		val.File.FileReader = reader
	}
	// Check active status and save current value
	if user.ActiveStatus == constants.WaitResumeStatus {
		// Save file
		resumePath, err := t.profileService.SaveResume(user, val.File.FilePath, val.File.FileReader, val.File.FileSize)
		if err != nil {
			return ctx.Send(err.Error())
		}
		// Save resume file path and set new active stage
		user.ResumePath = &resumePath
		user.ActiveStatus = constants.WaitAnswerQuestionsStatus
		// Set menu
		mainKeys = &tele.ReplyMarkup{ResizeKeyboard: true}
		answerQuestionsBtn := mainKeys.Text(constants.AnswerQuestionsBotButton)
		mainKeys.Reply(
			mainKeys.Row(answerQuestionsBtn),
		)

		msg = constants.UploadedResumeBotMessage
	}
	// Set new user data
	if needUpdateUser {
		err = t.profileService.UpdateUser(user)
		if err != nil {
			t.logger.Error(fmt.Sprintf("%v: %v", op, err.Error()))
			return ctx.Send(constants.UpdateUserErrorBotMessage)
		}
	}

	return ctx.Send(msg, mainKeys)
}