import { _decorator, Component, Node, math } from 'cc';
import { Player } from './Player';
const { ccclass, property } = _decorator;

export enum ICON_TYPE {
    SYMBOL_FREE = 0,
    SYMBOL_WILD = 1,
    SYMBOL_COW = 2,
    SYMBOL_EAGLE = 3,
    SYMBOL_LEOPARD = 4,
    SYMBOL_WOLF = 5,
    SYMBOL_ELK = 6,
    SYMBOL_A = 7,
    SYMBOL_K = 8,
    SYMBOL_Q = 9,
    SYMBOL_J = 10,
    SYMBOL_10 = 11,
    SYMBOL_9 = 12,
}

@ccclass('GameConstant')
export class GameConstant extends Component {
    public static readonly GAMEID = 69;
    public static readonly HTTP_HOST = "https://test.pgn-nmu2nd.com/";
    public static readonly MAX_ROW: number = 4;
    public static readonly MAX_COL: number = 6;
    public static readonly MAX_BET_TIMES: number = 40;
    public static readonly COL_ITEM_LEN: number = 12;
    public static readonly MAX_ICON_TYPE: number = 13;
    public static readonly ROLL_FAST_SPEED: number = 5200;
    public static readonly ROLL_NORMAL_SPEED: number = 4300;
    public static readonly SPECIAL_ICON: number = 0;
    public static readonly ICON_TYPE = ICON_TYPE;
    public static readonly AUTO_TYPE_COUNT = [-1, 500, 300, 100, 50, 30];
    public static readonly ICON_NORMAL_SPRITE_NAME: string[] = [
        "01_normal",
        "02_normal",
        "03_normal",
        "04_normal",
        "05_normal",
        "06_normal",
        "07_normal",
        "08_normal",
        "09_normal",
        "10_normal",
        "11_normal",
        "12_normal",
        "S13_normal"
    ];

    public static readonly ICON_BLURRED_SPRITE_NAME: string[] = [
        "01_blurred",
        "02_blurred",
        "03_blurred",
        "04_blurred",
        "05_blurred",
        "06_blurred",
        "07_blurred",
        "08_blurred",
        "09_blurred",
        "10_blurred",
        "11_blurred",
        "12_blurred",
        "S13_blurred"
    ];

    public static readonly RESULT_TITLE = ["nice", "mega", "superb", "sensational"];

    public static readonly WILD_TIMES = [1, 2, 3, 5];
    public static readonly ICON_TYPE_TIMES = [
        [80,60,60,40,40,20,20,10,10,10,10],
        [200,100,100,80,80,40,40,30,30,20,20],
        [250,200,200,120,120,80,80,60,60,40,40],
        [300,250,250,200,200,120,120,100,100,80,80]
    ];
    public static readonly ICON_TYPE_PROB = [
        [1000, 0, 100, 100, 100, 1200, 1200, 1200, 1200, 1400, 1400, 1600, 1600],
        [1000, 860, 1200, 1200, 1200, 100, 100, 1200, 1200, 1400, 1400, 1600, 1600],
        [100, 860, 1000, 1000, 1000, 1000, 1000, 100, 100, 1400, 1400, 1600, 1600],
        [500, 120, 900, 900, 900, 900, 900, 1200, 1200, 100, 100, 100, 100],
        [400, 120, 800, 800, 800, 800, 800, 1200, 1200, 1400, 1400, 1600, 1600],
        [400, 120, 700, 700, 700, 700, 700, 1200, 1200, 1400, 1400, 1600, 1600],
    ];
    public static NO_TIMES_ICON_TYPE = [
        [[8, 9, 10, 11, 12, 7],[8, 9, 10, 11, 12, 7],[8, 9, 10, 11, 12, 7],[8, 9, 10, 11, 12, 7]],
        [[2, 3, 4, 5, 6, 7],[2, 3, 4, 5, 6, 7],[2, 3, 4, 5, 6, 7],[2, 3, 4, 5, 6, 7]]
    ];
    public static TEST_ICON_TYPE = [
        [[8, 9, 10, 11, 12, 0],[0, 9, 10, 11, 12, 7],[8, 9, 0, 11, 12, 7],[8, 9, 10, 11, 12, 7]],
        // [2, 3, 4, 5, 6, 7],[2, 3, 4, 5, 6, 7],[2, 3, 4, 5, 6, 7],[2, 3, 4, 5, 6, 7]
        // [[2,2,2,2,2,2],[2,2,2,2,2,2],[2,2,2,2,2,2],[2,2,2,2,2,2]]
    ];
    public static readonly ENTER_FREE_COUNTS = [1, 1, 1, 1, 1];//[5, 8, 15, 25, 100]
    public static readonly bets = [100, 0.2, 0.3, 0.4, 0.5];
    public static readonly ENTER_TYPE_PROB = [10, 0];
    public static readonly ENTER_FREE_COUNTS_PROB = [100,30,20,5];
    public static readonly ENTER_ADD_FREE_COUNTS_PROB = [100,30,20,10,5];

    // 通用权重随机工具函数
    // ===========================
    private static weightedRandom(weights: number[]): number {
        const total = weights.reduce((a, b) => a + b, 0);
        let rand = Math.random() * total;
        for (let i = 0; i < weights.length; i++) {
            if (rand < weights[i]) return i;
            rand -= weights[i];
        }
        return weights.length - 1;
    }

    // ===========================
    // 是否进入小环节（根据权重）
    // ===========================
    private static shouldEnterFreeRound(): boolean {
        const idx = this.weightedRandom(this.ENTER_TYPE_PROB);
        return idx === 1; // 1代表进入
    }

    // ===========================
    // 获取小环节图标数量
    // ===========================
    private static getFreeRoundIconCount(isAddFree: boolean): number {
        const prob = isAddFree ? this.ENTER_ADD_FREE_COUNTS_PROB : this.ENTER_FREE_COUNTS_PROB;
        const idx = this.weightedRandom(prob);
        const base = isAddFree ? 2 : 3;
        return base + idx; // 范围：小环节 3~6，追加时 2~6
    }

    // ====================
    // 1️⃣ 生成随机矩阵
    // ====================
    // ===========================
    // ===========================
    // 生成图形函数（支持小环节）
    // ===========================
    public static generateGrid(isTest = false, isFreeRound = false, isAddFree = false): number[][] {
        const grid: number[][] = [];
        for (let r = 0; r < GameConstant.MAX_ROW; r++) grid[r] = [];

        // 计算是否要插入小环节图标
        let freeIconPositions: { r: number, c: number }[] = [];
        if (isFreeRound || isAddFree) {
            const iconCount = this.getFreeRoundIconCount(isAddFree);
            const availableCols = Array.from({ length: GameConstant.MAX_COL }, (_, i) => i);
            const selectedCols = [];

            // 每列最多一个小环节
            while (selectedCols.length < iconCount && availableCols.length > 0) {
                const idx = Math.floor(Math.random() * availableCols.length);
                selectedCols.push(availableCols.splice(idx, 1)[0]);
            }

            // 为每个选中列随机一行放置小环节图标（0）
            for (const c of selectedCols) {
                const r = Math.floor(Math.random() * GameConstant.MAX_ROW);
                freeIconPositions.push({ r, c });
            }
        }

        // 生成普通图标
        for (let c = 0; c < GameConstant.MAX_COL; c++) {
            const colProb = GameConstant.ICON_TYPE_PROB[c];
            const total = colProb.reduce((a, b) => a + b, 0);

            for (let r = 0; r < GameConstant.MAX_ROW; r++) {
                // 若该位置是小环节图标，则直接放0
                if (freeIconPositions.some(p => p.r === r && p.c === c)) {
                    grid[r][c] = 0;
                    continue;
                }

                // 否则按普通权重随机（剔除0图标）
                let rand = Math.floor(Math.random() * (total - colProb[0]));
                let acc = 0, type = 1;

                for (let i = 1; i < colProb.length; i++) {
                    acc += colProb[i];
                    if (rand < acc) {
                        type = i;
                        break;
                    }
                }

                grid[r][c] = isTest ? GameConstant.TEST_ICON_TYPE[0][r][c] : type;
            }
        }

        return grid;
    }

    // ====================
    // 2️⃣ 生成百搭倍数矩阵
    // ====================
    public static generateWildTimes(grid: number[][], isInFree = false): number[][] {
        const rows = grid.length;
        const cols = grid[0].length;
        const wildTimes: number[][] = Array.from({ length: rows }, () => Array(cols).fill(1));

        for (let r = 0; r < rows; r++) {
            for (let c = 0; c < cols; c++) {
                if (grid[r][c] === 1) {
                    // 小环节中才会随机倍数，否则始终为 1
                    if (isInFree) {
                        const randTimes = GameConstant.WILD_TIMES[Math.floor(Math.random() * GameConstant.WILD_TIMES.length) + 1];
                        wildTimes[r][c] = randTimes;
                    } else {
                        wildTimes[r][c] = 1;
                    }
                }
            }
        }
        return wildTimes;
    }

    // ====================
    // 3️⃣ 计算连线（含百搭规则）
    // ====================
    public static calcSlotLinesWithWildTimes(grid: number[][], wildsTimes: number[][], betScore) {
        const ROWS = grid.length;
        const COLS = grid[0].length;

        const idx = (r: number, c: number) => r * COLS + c;
        const toRC = (i: number) => [Math.floor(i / COLS), i % COLS];

        const canConnect = (a: number, b: number, baseType: number | null) => {
            if (a === 0 || b === 0) return false;
            if (b === 1) return true;
            if (a === 1) return !baseType || b === baseType;
            return b === a;
        };

        function extendFrom(row: number, col: number, symbol: number, path: number[], baseType: number | null) {
            const results: any[] = [];
            if (col >= COLS - 1) {
                results.push({ path, resolvedType: baseType });
                return results;
            }

            const nextCol = col + 1;
            for (let nr = 0; nr < ROWS; nr++) {
                const nextSym = grid[nr][nextCol];
                if (nextSym === 0) continue;

                let currentBase = baseType;
                if (!currentBase && symbol !== 1) currentBase = symbol;
                if (!canConnect(symbol, nextSym, currentBase)) continue;

                let nextBase = currentBase;
                if (nextSym !== 1) nextBase = nextSym;

                const newPath = [...path, idx(nr, nextCol)];
                results.push(...extendFrom(nr, nextCol, nextSym, newPath, nextBase));
            }

            if (results.length === 0) results.push({ path, resolvedType: baseType });
            return results;
        }

        const allLines: any[] = [];
        var m_lottery_size: number = 0;

        for (let r = 0; r < ROWS; r++) {
            const sym = grid[r][0];
            if (sym === 0) continue;
            const startIdx = idx(r, 0);
            const branches = extendFrom(r, 0, sym, [startIdx], sym === 1 ? null : sym);
            for (const b of branches) {
                if (b.path.length >= 3) {
                    if (b.resolvedType === null) {
                        for (const i of b.path) {
                            const [rr, cc] = toRC(i);
                            const s = grid[rr][cc];
                            if (s !== 1 && s !== 0) {
                                b.resolvedType = s;
                                break;
                            }
                        }
                    }
                    if (b.resolvedType) allLines.push(b);
                }
            }
        }

        const m_line_icon: number[][] = [];
        const m_line_size: number[] = [];
        const m_line_icon_active = Array.from({ length: ROWS }, () => Array(COLS).fill(0));
        const m_line_times: number[] = [];
        const m_line_index: number[][] = [];

        for (const line of allLines) {
            const path = line.path;
            const iconType = line.resolvedType;

            const icons = path.map(i => {
                const [r, c] = toRC(i);
                return grid[r][c];
            });
            const indexes = path.map(i => i);
            const size = path.length;

            for (const i of path) {
                const [r, c] = toRC(i);
                m_line_icon_active[r][c] = 1;
            }

            let times = 0;
            if (size >= 3 && size <= 6 && iconType >= 2 && iconType <= 12) {
                times = GameConstant.ICON_TYPE_TIMES[size - 3][iconType - 2];
            }

            let wildMultiplier = 1;
            for (const i of path) {
                const [r, c] = toRC(i);
                if (grid[r][c] === 1 && wildsTimes[r][c] > 1) {
                    wildMultiplier *= wildsTimes[r][c];
                }
            }
            times *= wildMultiplier;

            m_line_icon.push(icons);
            m_line_size.push(size);
            m_line_times.push(times);
            m_line_index.push(indexes);
        }

        m_lottery_size = m_line_times.length > 0 ? (m_line_times.reduce((pre, cur)=>{ return pre + cur; }) * betScore) : 0;
        return {
            m_line_icon,
            m_line_size,
            m_line_icon_active,
            m_line_times,
            m_line_index,
            m_lottery_size
        };
    }

    // ====================
    // 4️⃣ 判断是否进入小环节
    // ====================
    public static checkSpecialRound(grid: number[][], isInFree = false) {
        let zeroCount = 0;
        for (const row of grid) {
            for (const val of row) {
                if (val === 0) zeroCount++;
            }
        }

        let m_isSpecialGame = 0;
        let m_freeCount = 0;
        let m_freeCountAdd = 0;

        if (!isInFree) {
            // 普通模式中：≥3个0触发小环节，获得对应次数
            if (zeroCount >= 3) {
                m_isSpecialGame = 1;
                const idx = Math.min(zeroCount - 2, GameConstant.ENTER_FREE_COUNTS.length - 1);
                m_freeCount = GameConstant.ENTER_FREE_COUNTS[idx];
            }
        } else {
            // 小环节中：若有2个0以上则追加次数
            if (zeroCount >= 2) {
                m_isSpecialGame = 1;
                const idx = Math.min(zeroCount - 2, GameConstant.ENTER_FREE_COUNTS.length - 1);
                m_freeCountAdd = GameConstant.ENTER_FREE_COUNTS[idx];
            }
        }

        return { m_isSpecialGame, m_freeCount, m_freeCountAdd };
    }

    // ====================
    // 5️⃣ 主流程控制器
    // ====================
    public static playRound(betScore) {
        const results: any[] = [];

        let isFree = false;            // 是否处于免费
        let remainingFree = 0;         // 剩余免费次数
        let totalFreeCount = 0;        // 累计免费次数
        let hasReachedMaxFree = false; // 是否到达上限
        let totalTimes = 0;            // 累计倍数

        const MAX_TRIES = 100;
        let tempIndex = 10;

        do {
            let m_desk_data: number[][] = [];
            let m_wildTimes_data: number[][] = [];
            let lineResult: any;
            let specialResult: any;

            let tryCount = 0;
            let accepted = false;

            while (tryCount < MAX_TRIES && !accepted) {
                tryCount++;

                // === 生成图形 & 倍数 ===
                const shouldEnterFree = !isFree && this.shouldEnterFreeRound();
                const isAddFree = isFree && shouldEnterFree;
                m_desk_data = this.generateGrid(tempIndex++ == 0, shouldEnterFree, isAddFree);
                m_wildTimes_data = this.generateWildTimes(m_desk_data, isFree);

                // === 计算连线 & 小环节 ===
                lineResult = this.calcSlotLinesWithWildTimes(m_desk_data, m_wildTimes_data, betScore);
                specialResult = this.checkSpecialRound(m_desk_data, isFree);

                const hasLineWin = (lineResult.m_line_icon && lineResult.m_line_icon.length > 0);
                const addsFree = isFree && specialResult.m_freeCountAdd > 0;

                // 达到上限后禁止追加
                if (hasReachedMaxFree && addsFree) continue;

                // 触发或追加免费必须无连线
                if (addsFree && hasLineWin) continue;

                // 超出100上限
                if (!hasReachedMaxFree && isFree && (totalFreeCount + specialResult.m_freeCountAdd > 100)) {
                    hasReachedMaxFree = true;
                }

                accepted = true;
            }

            // ❗保底逻辑
            if (!accepted) {
                m_desk_data = this.NO_TIMES_ICON_TYPE[0];
                m_wildTimes_data = this.generateWildTimes(m_desk_data, isFree);
                lineResult = this.calcSlotLinesWithWildTimes(m_desk_data, m_wildTimes_data, betScore);
                specialResult = { m_isSpecialGame: 0, m_freeCount: 0, m_freeCountAdd: 0 };
                if (lineResult && 'm_lottery_size' in lineResult) lineResult.m_lottery_size = 0;
            }

            const triggeredFree = specialResult.m_isSpecialGame && !isFree;
            const addFree = isFree && specialResult.m_isSpecialGame && specialResult.m_freeCountAdd > 0;

            // 触发或追加免费时不中奖
            if (triggeredFree || addFree) {
                if (lineResult && 'm_lottery_size' in lineResult) lineResult.m_lottery_size = 0;
            }

            // === 更新免费次数逻辑 ===
            if (specialResult.m_isSpecialGame) {
                if (isFree) {
                    if (!hasReachedMaxFree) {
                        remainingFree += specialResult.m_freeCountAdd;
                        totalFreeCount += specialResult.m_freeCountAdd;
                        if (totalFreeCount >= 100) {
                            totalFreeCount = 100;
                            hasReachedMaxFree = true;
                        }
                    }
                } else {
                    remainingFree = specialResult.m_freeCount;
                    totalFreeCount = specialResult.m_freeCount;
                    if (totalFreeCount >= 100) {
                        totalFreeCount = 100;
                        hasReachedMaxFree = true;
                    }
                    isFree = true;
                }
            }

            // ✅ 在这里再扣除一次免费次数（只对已经在免费状态的轮次）
            if (isFree && !specialResult.m_isSpecialGame) {
                remainingFree--;
            }

            // === 累计倍数 ===
            if (lineResult && typeof lineResult.m_lottery_size === "number") {
                totalTimes += (lineResult.m_lottery_size / betScore);
            }

            const roundResult = {
                ...lineResult,
                ...specialResult,
                m_desk_data,
                m_wildTimes_data,
                m_curTotalFreeCount: remainingFree,
                tryCount,
            };
            results.push(roundResult);

        } while (isFree && remainingFree > 0);

        return { results, totalFreeCount, totalTimes };
    }

    public static getRandomNumber(min, max) {
        return Math.floor(math.random() * (max - min)) + min;
    }

    /**
     * 通用数字格式化函数
     * 
     * @param value 数字值
     * @param options 可选配置
     *   - decimals: 保留的小数位数（默认 2）
     *   - useGrouping: 是否使用千分位分隔符（默认 true）
     *   - trimZero: 是否去掉小数点后的多余 0（默认 true）
     *   - hideDecimalIfZero: 若小数部分为 0 是否隐藏（默认 true）
     * 
     * @returns 格式化后的字符串
     */
    public static formatNumber(
        value: number,
        options?: {
            decimals?: number; // 保留小数位
            useGrouping?: boolean; // 是否使用千分位
            trimZero?: boolean; // 是否去除多余的 0
            hideDecimalIfZero?: boolean; // 小数为 0 是否隐藏
            currency?: string; //'USD' | 'MYR' | 'EUR' | 'GBP' | 'BRL'; // 货币类型
            showCurrencyBefore?: boolean; // 货币符号是否在前面（默认 true）
        }
    ): string {
        if (isNaN(value)) return '0';

        const {
            decimals = 2,
            useGrouping = true,
            trimZero = true,
            hideDecimalIfZero = true,
            currency = Player.getInstance().currencyType || 'USD',
            showCurrencyBefore = true,
        } = options || {};

        // 定义货币符号映射表
        const currencySymbols: Record<string, string> = {
            USD: '$',   // 美元
            MYR: 'RM',  // 林吉特（马来西亚）
            EUR: '€',   // 欧元
            GBP: '£',   // 英镑
            BRL: 'R$',  // 巴西雷亚尔
        };

        const symbol = currencySymbols[currency] || '';

        // 保留指定小数位
        let str = value.toFixed(decimals);
        let [integerPart, decimalPart] = str.split('.');

        // 千分位格式化
        if (useGrouping) {
            integerPart = integerPart.replace(/\B(?=(\d{3})+(?!\d))/g, ',');
        }

        // 去除无意义的尾部 0
        if (trimZero && decimalPart) {
            decimalPart = decimalPart.replace(/0+$/, '');
        }

        // 如果小数部分为空或全为 0 且允许隐藏
        if (hideDecimalIfZero && (!decimalPart || parseInt(decimalPart) === 0)) {
            return showCurrencyBefore ? `${symbol}${integerPart}` : `${integerPart}${symbol}`;
        }

        // 拼接完整结果
        const formatted = `${integerPart}.${decimalPart}`;
        return showCurrencyBefore ? `${symbol}${formatted}` : `${formatted}${symbol}`;
    }

    /**
     * 通用 HTTP 请求方法
     * @param type 请求类型："GET" 或 "POST"
     * @param url 请求地址
     * @param params 请求参数对象（GET时为查询参数，POST时为请求体）
     * @param isJson 是否使用 JSON 格式（仅对 POST 有效，默认 true）
     * @param timeout 超时时间（毫秒，默认 10000）
     */
    public static httpRequest<T = any>(
        type: 'GET' | 'POST',
        url: string,
        params?: Record<string, any>,
        isJson: boolean = true,
        timeout: number = 10000
    ): Promise<T> {
        return new Promise((resolve, reject) => {
            const xhr = new XMLHttpRequest();

            if (type === 'GET' && params) {
                // 拼接 GET 参数
                const query = Object.keys(params)
                    .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(params[key])}`)
                    .join('&');
                url += (url.includes('?') ? '&' : '?') + query;
            }
            console.log(url);

            xhr.open(type, url, true);
            xhr.timeout = timeout;

            if (type === 'POST') {
                if (isJson) {
                    xhr.setRequestHeader('Content-Type', 'application/json');
                } else {
                    xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
                }
            }

            xhr.onreadystatechange = () => {
                if (xhr.readyState === 4) {
                    if (xhr.status >= 200 && xhr.status < 300) {
                        try {
                            const response = JSON.parse(xhr.responseText);
                            resolve(response);
                        } catch {
                            resolve(xhr.responseText as any);
                        }
                    } else {
                        reject(new Error(`HTTP ${type} 请求失败：状态码 ${xhr.status}`));
                    }
                }
            };

            xhr.onerror = (e) => {
                console.error(`HTTP ${type} 请求网络错误:`, e);
                reject(new Error(`HTTP ${type} 请求网络错误`));
            }
            xhr.ontimeout = () => reject(new Error(`HTTP ${type} 请求超时`));

            if (type === 'POST') {
                const body = isJson
                    ? JSON.stringify(params || {})
                    : Object.keys(params || {})
                        .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(params![key])}`)
                        .join('&');
                xhr.send(body);
            } else {
                xhr.send();
            }
        });
    }
}