const readline = require("readline-sync")


let debugLog = (text, val) => console.log(text + ":" + val)
let getUserInput = (entry) => readline.question(entry + " ")

let gameText = {
    startText: "Hi, can you guess the word",
    errorText: "Sorry, try again",
    lifeText: "Here your lifes:",
    winText: "Good You've won",
    loseText: "Sorry you've lost",
    inputText: "please choose character:"
}

class GameConfig {
    static getWordList() {
        return ["wordFirst", "wordSecond", "wordThird"]
    }

    static getLifes() {
        return 10
    }
}

class RandomWordGenerator {
    static makeRandomWord(wordList) {
        let len = wordList.length;
        let rndNum = Math.floor(Math.random() * len)
        return wordList[rndNum]
    }
}

class Game {
    constructor() {
        this.lifes = GameConfig.getLifes()
        this.secretWordObj = new SecretWord()
    }

    init() {
        console.log(gameText.startText)

        this.gameLoop()
    }

    gameLoop() {
        while(this.isPlaying()) {
            let secretWord = this.secretWordObj.getSecretWord()

            console.log(gameText.lifeText + this.lifes)
            console.log(secretWord)

            let userInput = getUserInput(gameText.inputText)
            let guessResult = this.secretWordObj.guessChar(userInput)

            console.clear()

            if(guessResult) {
                this.secretWordObj.insertChar(guessResult)
            } else {
                this.lifes--
                console.log(gameText.errorText)
            }

        }
    }

    isPlaying() {
        if(this.checkWinCondition()) {
            console.log(gameText.winText)
            return false
        }

        if(this.checkLoseCondition()) {
            console.log(gameText.loseText)
            return false
        }

        return true
    }

    checkWinCondition() {
        let length = this.secretWordObj.getSecretWord().length
        let guessedChars = this.secretWordObj.getGuessedChars()

        if(length == guessedChars) {
            return true
        }
        return false
    }

    checkLoseCondition() {
        if(!this.lifes) {
            return true
        }
        return false
    }
}

class SecretWord {
    constructor() {
        this.word = []
        this.secretWord = []
        this.guessedChars = 0
        let randomWord = RandomWordGenerator.makeRandomWord(GameConfig.getWordList())

        this._setWord(randomWord)
        this._setSecretWord()
    }

    _setWord(word) {
        this.word = word.split("")
    }

    _setSecretWord() {
        for(let char in this.word) {
            this.secretWord.push("*")
        }
    }

    getSecretWord() {
        return this.secretWord.join("")
    }

    getGuessedChars() {
        return this.guessedChars
    }

    guessChar(char) {
        for(let item in this.word) {
            if(this.word[item] == char) {
                let guessedChar = {
                    char: this.word[item],
                    index: item
                }
                delete this.word[item]
                return guessedChar
            }
        }
        return false
    }

    insertChar(charObj) {
        this.secretWord[charObj.index] = charObj.char
        this.guessedChars++
    }
}

new Game().init()