package handler

import (
	"context"
	"fmt"
	"log"
	"ticket-pimp/internal/controller"
	"ticket-pimp/internal/domain"

	"github.com/bwmarrin/discordgo"
)

type router struct {
	Routes     []route
	controller controller.WorkflowController
}

// Подключение роутов к Discord боту
func InitRouter(wc controller.WorkflowController) *router {

	var r router
	r.Routes = append(
		r.Routes,
		r.CreateRepoHandler(3),
		r.CreateFolderHandler(3),
		r.CreateTicketHandler(3),
	)
	r.controller = wc

	return &r
}

type route struct {
	Command discordgo.ApplicationCommand
	Handler func(s *discordgo.Session, i *discordgo.InteractionCreate)
}

func (h *router) CreateRepoHandler(repoNameMinLength int) route {
	const (
		projectRepo = "project_repo"
		buildRepo   = "build_repo"
	)

	return route{
		Command: discordgo.ApplicationCommand{
			Name:        "repo",
			Description: "Command for repository creation",
			Options: []*discordgo.ApplicationCommandOption{
				{
					Type:        discordgo.ApplicationCommandOptionString,
					Name:        "repo_type",
					Description: "The type of repo",
					Required:    true,
					Choices: []*discordgo.ApplicationCommandOptionChoice{
						{
							Name:  "Unity project repo",
							Value: projectRepo,
						},
						{
							Name:  "XCode build repo",
							Value: buildRepo,
						},
					},
				},
				{
					Type:        discordgo.ApplicationCommandOptionString,
					Name:        "repo_name",
					Description: "Type the repository's name",
					Required:    false,
					MinLength:   &repoNameMinLength,
				},
			},
		},
		Handler: func(s *discordgo.Session, i *discordgo.InteractionCreate) {
			var result string
			// Access options in the order provided by the user.
			options := i.ApplicationCommandData().Options

			// Or convert the slice into a map
			optionMap := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(options))
			for _, opt := range options {
				optionMap[opt.Name] = opt
			}

			var str string = ""

			project, err := h.controller.GetProjectByChannelID(context.TODO(), i.ChannelID)
			if err != nil {
				result = fmt.Sprintf("unable to retrieve project from db, error: %v", err)
			} else {
				var suffix string
				if option, ok := optionMap["repo_type"]; ok {
					switch option.Value {
					case projectRepo:
						suffix = ""
					case buildRepo:
						suffix = "-build"
					}
				}

				if project == nil {
					if option, ok := optionMap["repo_name"]; ok {
						str = option.StringValue()
					} else {
						str = ""
					}
				} else {
					str = project.ShortName
				}

				if str == "" {
					result = "Ты, либо в проекте репо создавай, либо имя напиши, блет!"
				} else {
					str = str + suffix

					// var g *domain.Git

					g, err := h.controller.IGit.CreateRepo(str)
					if err != nil {
						result = fmt.Sprintf("error while repo creation: %v", err)
					} else {
						result = "🚀 " + g.HtmlUrl + " was created"
					}
				}
			}

			discerr := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
				// Ignore type for now, they will be discussed in "responses"
				Type: discordgo.InteractionResponseChannelMessageWithSource,
				Data: &discordgo.InteractionResponseData{
					Content: result,
				},
			})
			log.Println(discerr)
		},
	}
}

func (h *router) CreateFolderHandler(nameMinLenght int) route {
	const (
		nameOption string = "folder_name"
	)
	return route{
		Command: discordgo.ApplicationCommand{
			Name:        "folder",
			Description: "Command for cloud folder creation",
			Options: []*discordgo.ApplicationCommandOption{
				{
					Type:        discordgo.ApplicationCommandOptionString,
					Name:        nameOption,
					Description: "Type the repository's name",
					Required:    false,
					MinLength:   &nameMinLenght,
				},
			},
		},
		Handler: func(s *discordgo.Session, i *discordgo.InteractionCreate) {
			var result string
			// Access options in the order provided by the user.
			options := i.ApplicationCommandData().Options

			// Or convert the slice into a map
			optionMap := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(options))
			for _, opt := range options {
				optionMap[opt.Name] = opt
			}

			var str string = ""

			project, err := h.controller.GetProjectByChannelID(context.TODO(), i.ChannelID)
			if err != nil {
				result = fmt.Sprintf("unable to retrieve project from db, error: %v", err)
			} else {
				if project == nil {
					if option, ok := optionMap[nameOption]; ok {
						str = option.StringValue()
					} else {
						str = ""
					}
				} else {
					str = project.ShortName
				}

				if str == "" {
					result = "Ты, либо в проекте директорию создавай, либо имя напиши, блет!"
				} else {

					f, err := h.controller.ICloud.CreateFolder(str)
					if err != nil {
						result = fmt.Sprintf("error while cloud folder creation: %v", err)
					} else {
						result = "📂 Folder: " + f.PrivateURL + " was created"
					}
				}
			}

			discerr := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
				// Ignore type for now, they will be discussed in "responses"
				Type: discordgo.InteractionResponseChannelMessageWithSource,
				Data: &discordgo.InteractionResponseData{
					Content: result,
				},
			})
			log.Println(discerr)
		},
	}
}

func (h *router) CreateTicketHandler(repoNameMinLength int) route {
	return route{
		Command: discordgo.ApplicationCommand{
			Name:        "project",
			Description: "Create new development ticket",
			Options: []*discordgo.ApplicationCommandOption{
				{
					Type:        discordgo.ApplicationCommandOptionString,
					Name:        "project_name",
					Description: "Temporary project name",
					Required:    true,
					MinLength:   &repoNameMinLength,
				},
			},
		},
		Handler: func(s *discordgo.Session, i *discordgo.InteractionCreate) {
			var result string
			// Access options in the order provided by the user.
			options := i.ApplicationCommandData().Options

			// Or convert the slice into a map
			optionMap := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(options))
			for _, opt := range options {
				optionMap[opt.Name] = opt
			}

			if option, ok := optionMap["project_name"]; ok {
				dchan, err := s.GuildChannelCreate(i.GuildID, option.StringValue(), discordgo.ChannelTypeGuildText)
				if err != nil {
					result = fmt.Sprintf("chan creation problem: %v\n", err)
				} else {
					p, err := h.controller.ProjectCreate(context.TODO(), domain.Project{
						ChannelID: dchan.ID,
					})
					if err != nil {
						result = fmt.Sprintf("unable to create project: %v\n", err)
					} else {
						edit := discordgo.ChannelEdit{
							Name:     p.ShortName,
							ParentID: "1150719794853716028",
						}

						dchan, err = s.ChannelEdit(dchan.ID, &edit)
						if err != nil {
							result = fmt.Sprintf("channel created, but unable to edit: %v\n", err)

						} else {
							_, err = s.ChannelMessageSend(dchan.ID, "Hello!")
							if err != nil {
								log.Printf("message send problem: %v\n", err)
							}
							result = dchan.ID
						}
					}
				}
			}

			s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
				// Ignore type for now, they will be discussed in "responses"
				Type: discordgo.InteractionResponseChannelMessageWithSource,
				Data: &discordgo.InteractionResponseData{
					Content: result,
				},
			})
		},
	}
}