// i2_bot – Instinct PokememBro Bot
// Copyright (c) 2017 Vladimir "fat0troll" Hodakov

package talkers

import (
	// stdlib
	"strconv"
	"strings"
	// 3rd party
	"github.com/go-telegram-bot-api/telegram-bot-api"
	// local
	"lab.pztrn.name/fat0troll/i2_bot/lib/dbmapping"
)

// Internal functions

func (t *Talkers) pokememesListing(update tgbotapi.Update, page int, pokememesArray []dbmapping.PokememeFull) {
	message := "*Известные боту покемемы*\n"
	message += "Список отсортирован по грейду и алфавиту.\n"
	message += "Покедекс: " + strconv.Itoa(len(pokememesArray)) + " / 219\n"
	message += "Отображаем покемемов с " + strconv.Itoa(((page-1)*50)+1) + " по " + strconv.Itoa(page*50) + "\n"
	if len(pokememesArray) > page*50 {
		message += "Переход на следующую страницу: /pokedeks" + strconv.Itoa(page+1)
	}
	if page > 1 {
		message += "\nПереход на предыдущую страницу: /pokedeks" + strconv.Itoa(page-1)
	}
	message += "\n\n"

	for i := range pokememesArray {
		if (i+1 > 50*(page-1)) && (i+1 < (50*page)+1) {
			pk := pokememesArray[i].Pokememe
			pkE := pokememesArray[i].Elements
			message += strconv.Itoa(i+1) + ". " + strconv.Itoa(pk.Grade)
			message += "⃣ *" + pk.Name
			message += "* (" + c.Parsers.ReturnPoints(pk.HP) + "-" + c.Parsers.ReturnPoints(pk.MP) + ") ⚔️ *"
			message += c.Parsers.ReturnPoints(pk.Attack) + "* \\["
			for j := range pkE {
				message += pkE[j].Symbol
			}
			message += "] " + c.Parsers.ReturnPoints(pk.Price) + "$ /pk" + strconv.Itoa(pk.ID)
			message += "\n"
		}
	}

	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
	msg.ParseMode = "Markdown"

	c.Bot.Send(msg)

}

// External functions

// PokememesList lists all known pokememes
func (t *Talkers) PokememesList(update tgbotapi.Update, page int) {
	pokememesArray, ok := c.Getters.GetPokememes()
	if !ok {
		t.GetterError(update)
	} else {
		t.pokememesListing(update, page, pokememesArray)
	}
}

// PokememeInfo shows information about single pokememe based on internal ID
func (t *Talkers) PokememeInfo(update tgbotapi.Update, playerRaw dbmapping.Player) string {
	pokememeNumber := strings.Replace(update.Message.Text, "/pk", "", 1)
	var calculatePossibilites = true
	profileRaw, ok := c.Getters.GetProfile(playerRaw.ID)
	if !ok {
		calculatePossibilites = false
	}

	pokememe, ok := c.Getters.GetPokememeByID(pokememeNumber)
	if !ok {
		return "fail"
	}

	pk := pokememe.Pokememe

	message := strconv.Itoa(pk.Grade) + "⃣ *" + pk.Name + "*\n"
	message += pk.Description + "\n\n"
	message += "Элементы:"
	for i := range pokememe.Elements {
		message += " " + pokememe.Elements[i].Symbol
	}
	message += "\n⚔ Атака: *" + c.Parsers.ReturnPoints(pk.Attack)
	message += "*\n❤️ HP: *" + c.Parsers.ReturnPoints(pk.HP)
	message += "*\n💙 MP: *" + c.Parsers.ReturnPoints(pk.MP)
	if pk.Defence != pk.Attack {
		message += "*\n🛡Защита: *" + c.Parsers.ReturnPoints(pk.Defence) + "* _(сопротивляемость покемема к поимке)_"
	} else {
		message += "*"
	}
	message += "\nСтоимость: *" + c.Parsers.ReturnPoints(pk.Price)
	message += "*\nКупить: *"
	if pk.Purchaseable {
		message += "Можно"
	} else {
		message += "Нельзя"
	}
	message += "*\nОбитает:"
	for i := range pokememe.Locations {
		message += " *" + pokememe.Locations[i].Name + "*"
		if (i + 1) < len(pokememe.Locations) {
			message += ","
		}
	}

	if calculatePossibilites {
		if (pk.Grade < profileRaw.LevelID+2) && (pk.Grade > profileRaw.LevelID-3) {
			message += "\nВероятность поимки:"
			for i := range pokememe.Locations {
				percentile, pokeballs := c.Getters.PossibilityRequiredPokeballs(pokememe.Locations[i].ID, pk.Grade, profileRaw.LevelID)
				message += "\n" + pokememe.Locations[i].Name + " – "
				message += strconv.FormatFloat(percentile, 'f', 2, 64) + "% или "
				message += strconv.Itoa(pokeballs) + "⭕"
			}
		}
	}

	message += "\n" + pk.ImageURL

	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
	keyboard := tgbotapi.InlineKeyboardMarkup{}
	for i := range pokememe.Locations {
		var row []tgbotapi.InlineKeyboardButton
		btn := tgbotapi.NewInlineKeyboardButtonSwitch(pokememe.Locations[i].Symbol+pokememe.Locations[i].Name, pokememe.Locations[i].Symbol+pokememe.Locations[i].Name)
		row = append(row, btn)
		keyboard.InlineKeyboard = append(keyboard.InlineKeyboard, row)
	}

	msg.ReplyMarkup = keyboard
	msg.ParseMode = "Markdown"

	c.Bot.Send(msg)

	return "ok"
}