// 游戏管理后台事件代理，逐步替代 game-configs Blade 内联脚本。

let adminGameConfigControlsBound = false;

/**
 * 读取后台 layout 注入的 CSRF token。
 *
 * @returns {string}
 */
function getCsrfToken() {
    return document.querySelector('meta[name="csrf-token"]')?.getAttribute("content") || "";
}

/**
 * 生成单个统计卡片 HTML。
 *
 * @param {{icon:string,title:string,color:string,items:Array<{label:string,value:string|number}>}} card 统计卡片
 * @returns {string}
 */
function renderStatsCard(card) {
    return `
        <div class="bg-white rounded-xl shadow-sm border ${card.color} p-4">
            <div class="flex items-center gap-2 mb-3">
                <span class="text-xl">${card.icon}</span>
                <span class="font-bold text-gray-700 text-sm">${card.title}</span>
            </div>
            <div class="space-y-1.5">
                ${card.items.map((item) => `
                    <div class="flex justify-between text-xs">
                        <span class="text-gray-500">${item.label}</span>
                        <span class="font-bold text-gray-700">${item.value}</span>
                    </div>
                `).join("")}
            </div>
        </div>
    `;
}

/**
 * 将游戏统计接口响应转换为顶部统计卡片。
 *
 * @param {Record<string, Record<string, number>>} data 统计接口响应
 * @returns {string}
 */
function renderGameStats(data) {
    const cards = [
        {
            icon: "🎲",
            title: "百家乐",
            items: [
                { label: "总局数", value: data.baccarat.total_rounds.toLocaleString() },
                { label: "总下注", value: `${data.baccarat.total_bets.toLocaleString()} 笔` },
                { label: "今日局数", value: data.baccarat.today_rounds.toLocaleString() },
            ],
            color: "border-red-200 bg-red-50",
        },
        {
            icon: "🎰",
            title: "老虎机",
            items: [
                { label: "总转动", value: `${data.slot.total_spins.toLocaleString()} 次` },
                { label: "三7大奖", value: `${data.slot.jackpot_count.toLocaleString()} 次` },
                { label: "今日转动", value: data.slot.today_spins.toLocaleString() },
            ],
            color: "border-amber-200 bg-amber-50",
        },
        {
            icon: "🐎",
            title: "赛马竞猜",
            items: [
                { label: "总场次", value: data.horse.total_races.toLocaleString() },
                { label: "总注池", value: `${data.horse.total_pool.toLocaleString()} 金` },
                { label: "今日场次", value: data.horse.today_races.toLocaleString() },
            ],
            color: "border-emerald-200 bg-emerald-50",
        },
        {
            icon: "📦",
            title: "神秘箱子",
            items: [
                { label: "总投放", value: data.mystery_box.total_dropped.toLocaleString() },
                { label: "已领取", value: data.mystery_box.total_claimed.toLocaleString() },
                { label: "今日投放", value: data.mystery_box.today_dropped.toLocaleString() },
            ],
            color: "border-purple-200 bg-purple-50",
        },
        {
            icon: "🔮",
            title: "神秘占卜",
            items: [
                { label: "总占卜", value: `${data.fortune.total_times.toLocaleString()} 次` },
                { label: "吉签/凶签", value: `${data.fortune.jackpot_count} / ${data.fortune.curse_count}` },
                { label: "今日占卜", value: data.fortune.today_times.toLocaleString() },
            ],
            color: "border-fuchsia-200 bg-fuchsia-50",
        },
        {
            icon: "🎟️",
            title: "双色球彩票",
            items: [
                { label: "总期数", value: `${data.lottery.total_issues.toLocaleString()} 期` },
                { label: "历史彩票", value: `${data.lottery.total_bets.toLocaleString()} 张` },
                { label: "累计奖池", value: `${data.lottery.total_pool.toLocaleString()} 金` },
            ],
            color: "border-rose-200 bg-rose-50",
        },
        {
            icon: "♟️",
            title: "五子棋",
            items: [
                { label: "总对局", value: `${data.gomoku.total_games.toLocaleString()} 局` },
                { label: "人机/对战", value: `${data.gomoku.pve_count} / ${data.gomoku.pvp_count}` },
                { label: "今日对局", value: data.gomoku.today_games.toLocaleString() },
            ],
            color: "border-blue-200 bg-blue-50",
        },
    ];

    return cards.map((card) => renderStatsCard(card)).join("");
}

/**
 * 加载各游戏实时统计摘要并渲染到顶部面板。
 *
 * @param {HTMLButtonElement} button 触发按钮
 * @returns {Promise<void>}
 */
async function loadGameStats(button) {
    const statsUrl = button.getAttribute("data-game-stats-url") || "";
    const panel = document.getElementById("game-stats-panel");
    const grid = document.getElementById("game-stats-grid");

    if (!statsUrl || !panel || !grid) {
        return;
    }

    grid.innerHTML = '<div class="col-span-5 text-center text-gray-400 text-sm py-4">⏳ 加载中...</div>';
    panel.classList.remove("hidden");

    try {
        const response = await fetch(statsUrl, {
            headers: { "Accept": "application/json" },
        });
        const data = await response.json();

        grid.innerHTML = renderGameStats(data);
    } catch (error) {
        grid.innerHTML = '<div class="col-span-5 text-center text-red-400 text-sm py-4">❌ 加载失败，请重试</div>';
    }
}

/**
 * 根据开关接口响应更新游戏卡片状态。
 *
 * @param {HTMLButtonElement} button 开关按钮
 * @param {boolean} enabled 是否启用
 * @returns {void}
 */
function updateGameToggleState(button, enabled) {
    const gameKey = button.getAttribute("data-game-key") || "";
    const card = document.getElementById(`game-card-${gameKey}`);
    const badge = document.getElementById(`badge-${gameKey}`);
    const header = card?.querySelector(".flex.items-center.justify-between");

    if (badge) {
        badge.textContent = enabled ? "运行中" : "已关闭";
        badge.className = `text-xs px-2 py-0.5 rounded-full font-bold ${
            enabled ? "bg-emerald-100 text-emerald-700" : "bg-gray-200 text-gray-500"
        }`;
    }

    button.textContent = enabled ? "⏸ 关闭游戏" : "▶ 开启游戏";
    button.className = `px-5 py-2 rounded-lg font-bold text-sm transition shadow-sm ${
        enabled ? "bg-red-500 hover:bg-red-600 text-white" : "bg-emerald-500 hover:bg-emerald-600 text-white"
    }`;

    // 卡片头部背景是游戏状态的主要视觉反馈，需要和按钮、徽章同步。
    if (header) {
        header.classList.toggle("bg-emerald-50", enabled);
        header.classList.toggle("bg-gray-50", !enabled);
    }
}

/**
 * 切换游戏开启/关闭状态。
 *
 * @param {HTMLButtonElement} button 开关按钮
 * @returns {Promise<void>}
 */
async function toggleGame(button) {
    const toggleUrl = button.getAttribute("data-game-toggle-url") || "";

    if (!toggleUrl || button.disabled) {
        return;
    }

    button.disabled = true;

    try {
        const response = await fetch(toggleUrl, {
            method: "POST",
            headers: {
                "X-CSRF-TOKEN": getCsrfToken(),
                "Accept": "application/json",
            },
        });
        const data = await response.json();

        if (!data?.ok) {
            return;
        }

        updateGameToggleState(button, Boolean(data.enabled));
        window.adminDialog?.alert(
            data.message,
            data.enabled ? "游戏已开启" : "游戏已关闭",
            data.enabled ? "✅" : "⏸",
        );
    } finally {
        button.disabled = false;
    }
}

/**
 * 绑定游戏管理页通用操作按钮。
 *
 * @returns {void}
 */
export function bindAdminGameConfigControls() {
    if (adminGameConfigControlsBound || typeof document === "undefined") {
        return;
    }

    adminGameConfigControlsBound = true;
    document.addEventListener("click", (event) => {
        if (!(event.target instanceof Element)) {
            return;
        }

        const statsButton = event.target.closest("[data-game-stats-url]");
        if (statsButton instanceof HTMLButtonElement) {
            event.preventDefault();
            void loadGameStats(statsButton);
            return;
        }

        const toggleButton = event.target.closest("[data-game-toggle-url]");
        if (toggleButton instanceof HTMLButtonElement) {
            event.preventDefault();
            void toggleGame(toggleButton);
        }
    });
}