import { IPlayer } from "../../PersonObjects/IPlayer";
import { IEngine } from "../../IEngine";
import React, { useState } from 'react';
import Grid from '@material-ui/core/Grid';
import { Countdown } from "./Countdown";
import { BracketGame } from "./BracketGame";
import { SlashGame } from "./SlashGame";
import { BackwardGame } from "./BackwardGame";
import { BribeGame } from "./BribeGame";
import { CheatCodeGame } from "./CheatCodeGame";
import { Cyberpunk2077Game } from "./Cyberpunk2077Game";
import { MinesweeperGame } from "./MinesweeperGame";
import { WireCuttingGame } from "./WireCuttingGame";
import { Victory } from "./Victory";

interface IProps {
    Player: IPlayer;
    Engine: IEngine;
    StartingDifficulty: number;
    Difficulty: number;
    MaxLevel: number;
}

enum Stage {
    Countdown = 0,
    Minigame,
    Result,
    Sell,
}

const minigames = [
    SlashGame,
    BracketGame,
    BackwardGame,
    BribeGame,
    CheatCodeGame,
    Cyberpunk2077Game,
    MinesweeperGame,
    WireCuttingGame,
]

export function Game(props: IProps): React.ReactElement {
    const [level, setLevel] = useState(1);
    const [stage, setStage] = useState(Stage.Countdown);
    const [results, setResults] = useState('');
    const [gameIds, setGameIds] = useState({
        lastGames: [-1, -1],
        id: Math.floor(Math.random()*minigames.length),
    });

    function nextGameId(): number {
        let id = gameIds.lastGames[0];
        const ids = [gameIds.lastGames[0], gameIds.lastGames[1], gameIds.id];
        while(ids.includes(id)) {
            id = Math.floor(Math.random()*minigames.length);
        }
        return id;
    }


    function setupNextGame(): void {
        setGameIds({
            lastGames: [gameIds.lastGames[1], gameIds.id],
            id: nextGameId(),
        })
    }

    function success(): void {
        pushResult(true);
        if(level === props.MaxLevel) {
            setStage(Stage.Sell);
        } else {
            setStage(Stage.Countdown);
            setLevel(level+1);
        }
        setupNextGame();
    }

    function pushResult(win: boolean): void {
        setResults(old => {
            let next = old;
            next += win ? "✓" : "✗";
            if(next.length > 15) next = next.slice(1);
            return next;
        })
    }

    function failure(options?: { automated: boolean }): void {
        setStage(Stage.Countdown);
        pushResult(false);
        // Kill the player immediately if they use automation, so
        // it's clear they're not meant to
        const damage = options?.automated ? props.Player.hp : props.StartingDifficulty*3;
        if(props.Player.takeDamage(damage)) {
            const menu = document.getElementById("mainmenu-container");
            if(menu === null) throw new Error("mainmenu-container not found");
            menu.style.visibility = "visible";
            props.Engine.loadLocationContent();
        }
        setupNextGame();
    }

    let stageComponent: React.ReactNode;
    switch(stage) {
    case Stage.Countdown:
        stageComponent = (<Countdown onFinish={() =>setStage(Stage.Minigame)} />);
        break;
    case Stage.Minigame: {
        const MiniGame = minigames[gameIds.id];
        stageComponent = (<MiniGame onSuccess={success} onFailure={failure} difficulty={props.Difficulty+level/50} />);
        break;
    }
    case Stage.Sell:
        stageComponent = (<Victory Player={props.Player} Engine={props.Engine} StartingDifficulty={props.StartingDifficulty} Difficulty={props.Difficulty} MaxLevel={props.MaxLevel} />);
        break;
    }


    function Progress(): React.ReactElement {
        return <h4><span style={{color: "gray"}}>{results.slice(0, results.length-1)}</span>{results[results.length-1]}</h4>
    }

    return (<>
        <Grid container spacing={3}>
            <Grid item xs={3}>
                <h3>Level: {level}&nbsp;/&nbsp;{props.MaxLevel}</h3>
                <Progress />
            </Grid>

            <Grid item xs={12}>
                {stageComponent}
            </Grid>
        </Grid>
    </>)
}