package wizard

import (
	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/store"
	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/util"
	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/locale"
	"github.com/mymmrac/telego"
	tu "github.com/mymmrac/telego/telegoutil"
	"net/http"
	"net/url"
	"strings"
	"time"
)

type RedmineSetup struct {
	iface.Base
	Redmine *store.RedmineSetup
}

func NewRedmineSetup(app iface.App, userID, chatID int64, config *store.RedmineSetup) *RedmineSetup {
	return &RedmineSetup{
		Base:    iface.NewBase(app, userID, chatID),
		Redmine: config,
	}
}

func (h *RedmineSetup) Handle(wh telego.Update) error {
	if h.Redmine == nil {
		return nil
	}
	loc := h.Localizer(wh.Message.From.LanguageCode)
	if h.Redmine.URL == "" {
		return h.handleURLStep(wh.Message.Text, loc)
	}

	if h.Redmine.Key == "" {
		return h.handleKeyStep(wh.Message.Text, loc)
	}

	if h.Redmine.SPFieldName == "" && h.Redmine.WaitingForSPField {
		return h.handleSPFieldStep(wh.Message.Text, loc)
	}

	return nil
}

func (h *RedmineSetup) handleURLStep(text string, loc locale.Localizer) error {
	h.Redmine.URL = h.processURL(text)
	if h.Redmine.URL == "" {
		_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
			ChatID:    tu.ID(h.ChatID),
			Text:      loc.Message("please_send_redmine_url"),
			ParseMode: telego.ModeMarkdown,
		})
		return err
	}

	_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
		ChatID:    tu.ID(h.ChatID),
		Text:      loc.Template("please_send_redmine_key", map[string]interface{}{"Origin": h.Redmine.URL}),
		ParseMode: telego.ModeMarkdown,
	})
	return err
}

func (h *RedmineSetup) handleKeyStep(text string, loc locale.Localizer) error {
	h.Redmine.Key = strings.TrimSpace(text)
	if h.Redmine.Key == "" {
		_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
			ChatID:    tu.ID(h.ChatID),
			Text:      loc.Template("please_send_redmine_key", map[string]interface{}{"Origin": h.Redmine.URL}),
			ParseMode: telego.ModeMarkdown,
		})
		return err
	}

	if !h.verifyRedmine() {
		_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
			ChatID:    tu.ID(h.ChatID),
			Text:      loc.Message("invalid_redmine_credentials"),
			ParseMode: telego.ModeMarkdown,
			ReplyMarkup: &telego.InlineKeyboardMarkup{InlineKeyboard: [][]telego.InlineKeyboardButton{
				{
					{
						Text:         loc.Message("yes"),
						CallbackData: util.NewRedmineQuestionPayload(h.UserID, h.Redmine.Chat, true).String(),
					},
					{
						Text:         loc.Message("no"),
						CallbackData: util.NewRedmineQuestionPayload(h.UserID, h.Redmine.Chat, false).String(),
					},
				},
			}},
		})

		return err
	}

	chat, err := h.App.DB().ForChat().ByTelegramID(h.Redmine.Chat)
	if err != nil {
		_ = util.SendInternalError(h.App.TG(), h.ChatID, loc)
		return err
	}
	if chat == nil || chat.ID == 0 {
		_ = util.SendInternalError(h.App.TG(), h.ChatID, loc)
		return nil
	}
	integration := &model.Integration{
		Type:   model.RedmineIntegration,
		ChatID: chat.ID,
	}
	integration.StoreRedmine(h.Redmine)
	if err := h.App.DB().ForIntegration().Save(integration); err != nil {
		_ = util.SendInternalError(h.App.TG(), h.ChatID, loc)
		return err
	}

	_, _ = h.App.TG().SendMessage(&telego.SendMessageParams{
		ChatID:    tu.ID(h.ChatID),
		Text:      loc.Message("redmine_was_connected"),
		ParseMode: telego.ModeMarkdown,
	})
	_, err = h.App.TG().SendMessage(&telego.SendMessageParams{
		ChatID:    tu.ID(h.ChatID),
		Text:      loc.Message("should_send_estimated_hours_redmine"),
		ParseMode: telego.ModeMarkdown,
		ReplyMarkup: &telego.InlineKeyboardMarkup{InlineKeyboard: [][]telego.InlineKeyboardButton{
			{
				{
					Text:         loc.Message("yes"),
					CallbackData: util.NewRedmineHoursQuestionPayload(h.UserID, h.Redmine.Chat, true).String(),
				},
				{
					Text:         loc.Message("no"),
					CallbackData: util.NewRedmineHoursQuestionPayload(h.UserID, h.Redmine.Chat, false).String(),
				},
			},
		}},
	})
	return err
}

func (h *RedmineSetup) handleSPFieldStep(text string, loc locale.Localizer) error {
	h.Redmine.SPFieldName = strings.TrimSpace(text)
	if h.Redmine.SPFieldName == "" {
		_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
			ChatID:    tu.ID(h.ChatID),
			Text:      loc.Message("specify_result_field"),
			ParseMode: telego.ModeMarkdown,
		})
		return err
	}

	h.Redmine.WaitingForSPField = false
	chat, err := h.App.DB().ForChat().ByTelegramIDWithIntegrations(h.Redmine.Chat)
	if err != nil {
		return err
	}

	for _, integration := range chat.Integrations {
		if integration.Type == model.RedmineIntegration {
			rs := integration.LoadRedmine()
			rs.SPFieldName = h.Redmine.SPFieldName
			integration.StoreRedmine(rs)
			if err := h.App.DB().ForIntegration().Save(&integration); err != nil {
				return err
			}
			break
		}
	}

	_, _ = h.App.TG().SendMessage(&telego.SendMessageParams{
		ChatID: tu.ID(h.ChatID),
		Text: loc.Template("redmine_poker_will_be_configured",
			map[string]interface{}{"Name": h.Redmine.SPFieldName}),
		ParseMode: telego.ModeMarkdown,
	})
	store.RedmineSetups.Delete(h.ChatID)
	return util.SendSetupDone(h.App.TG(), h.ChatID, loc)
}

func (h *RedmineSetup) processURL(input string) string {
	uri, err := url.Parse(strings.TrimSpace(input))
	if err != nil {
		return ""
	}
	return uri.Scheme + "://" + uri.Host
}

func (h *RedmineSetup) verifyRedmine() bool {
	req, err := http.NewRequest(http.MethodGet, h.Redmine.URL+"/issues.json", nil)
	if err != nil {
		return false
	}
	req.Header.Set("X-Redmine-Api-Key", h.Redmine.Key)
	client := &http.Client{Timeout: 5 * time.Second}
	resp, err := client.Do(req)
	if err != nil {
		return false
	}
	return resp.StatusCode == http.StatusOK
}