// AI 配置 (建议后续迁移至后端以保证 API Key 安全)
const DEEPSEEK_API_KEY = 'sk-f659b4c3aa954baaa6cbdbd5cae0b7d1'; // 请在此处替换您的 API Key
const DEEPSEEK_BASE_URL = 'https://api.deepseek.com/chat/completions';

// --- 数据导入 ---
const { minorArcana } = require('../../data/tarot/index');
const { getQuestionType } = require('../../utils/questionType');
const { generateSpreadStory } = require('../../utils/spreadStory');

// --- Prompt 模板定义 ---

// 1. 基础版模板：平静、清晰、节制
const TAROT_PROMPT_BASE = `你是一位克制、温和、不制造依赖的塔罗解读者。
你的角色不是预测未来，而是陪伴当下的人理解此刻的状态。

【解读边界】
- 不给命令，不下结论，不使用“你应该”“结果是”“一定会”
- 不预测具体事件或时间，不制造焦虑或依赖

【语言风格】
- 平静、清晰、节制
- 使用“可能 / 正在 / 也许 / 可以感受到”
- 像是轻声说明，而不是说服或劝导，避免情绪渲染与神秘化表达

【解读结构】
1. 用 1–2 句话描绘这张牌当下呈现的状态氛围
2. 结合关键词与核心含义，解释它可能对应的内在状态
3. 用一句自然收口的话结束，不引导行动

【输出要求】
- 总字数 120–180 字
- 只输出解读文本，不使用标题、编号、分段符号`;

// 2. 深夜版模板：更慢、更柔和、允许留白
const TAROT_PROMPT_NIGHT = `你是一位安静、克制、不制造依赖的塔罗解读者。
此刻的解读更像一次低声的陪伴，而不是解释或分析。

【解读边界】
- 不给建议，不下判断，不使用“你应该”“结果是”“接下来会”
- 不预测未来事件或变化，不放大情绪，不渲染痛苦

【语言风格】
- 更慢、更柔和
- 使用“也许 / 正在 / 像是 / 仿佛”
- 允许留白，不急着说清楚一切，文字像夜晚一样安静

【解读结构】
1. 先用一句贴近当下感受的描述开头
2. 围绕关键词展开，但重点放在“感受本身”
3. 用一句轻微、可停住的句子结束，不指向下一步

【输出要求】
- 只输出解读文本`;

// 3. 增强版模板：结构化深度解读
const TAROT_PROMPT_ENHANCED = `你是一位专业、温和且具有洞察力的塔罗解读者。
你的任务是根据选定的牌阵，为用户提供有深度、有层次且具有陪伴感的解读。

【解读边界】
- 不预测具体事件、不给绝对结论、不使用恐吓性语言
- 保持温和的引导口气，像是在进行一场心灵对话

【解读结构】
请严格按照以下 JSON 格式输出解读内容，不要包含任何其他说明性文字：
{
  "theme": "用一句话概括本次解读的核心主题",
  "status": "描述用户当下的情绪或处境状态",
  "influence": "分析当前局面背后的潜在影响因素（内在或外在）",
  "advice": "给出具体、温和且具有操作性的行动建议",
  "positions": [
    {
      "posName": "位置名称",
      "posMeaning": "由你结合牌面对该位置的详细解读（约 60-100 字）"
    }
  ]
}`;

// --- 牌阵定义 ---
const SPREADS = [
    {
        "id": "one_card_guidance",
        "name": "单张指引",
        "cardCount": 1,
        "positions": ["当下的指引"],
        "description": "为你此刻的状态提供一个温和而清晰的方向提示。",
        "aiSchema": ["core_theme", "current_state", "action_advice"]
    },
    {
        "id": "three_time_flow",
        "name": "过去 · 现在 · 未来",
        "cardCount": 3,
        "positions": ["过去", "现在", "未来"],
        "description": "帮助你理解事情的发展过程与可能走向。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "three_problem_solution",
        "name": "问题 · 阻碍 · 建议",
        "cardCount": 3,
        "positions": ["问题核心", "当前阻碍", "行动建议"],
        "description": "聚焦关键问题，找出当下最可行的应对方式。",
        "aiSchema": ["core_theme", "current_state", "action_advice"]
    },
    {
        "id": "two_choice_decision",
        "name": "二选一抉择",
        "cardCount": 4,
        "positions": ["选择A的发展", "选择A的结果", "选择B的发展", "选择B的结果"],
        "description": "对比两种选择的潜在走向，辅助理性决策。",
        "aiSchema": ["core_theme", "potential_influence", "action_advice"]
    },
    {
        "id": "five_situation_analysis",
        "name": "现状分析",
        "cardCount": 5,
        "positions": ["现状", "内在因素", "外在影响", "行动方向", "可能结果"],
        "description": "从内外层面拆解局势，明确下一步行动。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "relationship_spread",
        "name": "关系洞察",
        "cardCount": 5,
        "positions": ["你的位置", "对方的位置", "关系现状", "隐藏影响", "未来趋势"],
        "description": "理解一段关系中的互动模式与发展方向。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "timeline_spread",
        "name": "时间之流",
        "cardCount": 5,
        "positions": ["远古根源", "过去影响", "当下状态", "近期发展", "未来趋势"],
        "description": "追溯事件的时间线，看清发展脉络。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "diamond_spread",
        "name": "钻石牌阵",
        "cardCount": 5,
        "positions": ["问题本质", "过去原因", "未来发展", "外部资源", "最佳行动"],
        "description": "多角度剖析问题，找到解决之道。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "spiritual_guidance",
        "name": "灵性指引",
        "cardCount": 7,
        "positions": ["当前能量", "内在阻碍", "潜在天赋", "灵性课题", "指导建议", "未来机遇", "最高指引"],
        "description": "深入探索内在世界，获得灵性层面的启发。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "horseshoe_spread",
        "name": "马蹄铁牌阵",
        "cardCount": 7,
        "positions": ["过去", "现在", "未来", "你的态度", "他人影响", "障碍", "最终结果"],
        "description": "全面了解情况的来龙去脉与未来走向。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "celtic_cross",
        "name": "凯尔特十字",
        "cardCount": 10,
        "positions": ["现状", "挑战", "根基", "过去", "可能性", "近期未来", "你的态度", "外部影响", "希望与恐惧", "最终结果"],
        "description": "最经典的综合牌阵，深度解析生命议题。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    },
    {
        "id": "tree_of_life",
        "name": "生命之树",
        "cardCount": 10,
        "positions": ["王冠", "智慧", "理解", "慈悲", "严厉", "美丽", "胜利", "荣耀", "基础", "王国"],
        "description": "基于卡巴拉生命之树的深度灵性探索。",
        "aiSchema": ["core_theme", "current_state", "potential_influence", "action_advice"]
    }
];

Page({
    data: {
        todayDate: '', // 用于存储今天的日期
        // 1. 状态管理: spread_select, idle, shuffling, drawing, flipping, revealed
        state: 'spread_select', // 初始进入牌阵选择
        selectedSpread: null,
        question: '', // 用户输入的问题
        questionType: '综合问题', // 问题类型
        drawnCardIndices: [], // 用户选中的牌索引
        drawnCards: [], // 实际抽到的牌对象
        revealedCount: 0, // 已翻开的数量

        cardBackImage: '/images/beimian.png',
        spreads: SPREADS,

        // 动画数据
        deckAnimation: {},
        cardAnimation: {},
        infoAnimation: {},
        guideAnimation: {},

        // AI 相关
        isAiLoading: false,
        aiExplanation: '',
        spreadStory: '', // 综合故事线

        // 3. 前缀文案列表（随机抽取）
        prefixList: [
            "今天，这张牌提醒你：",
            "此刻，宇宙传递的信息：",
            "这张牌想告诉你：",
            "请收下这份指引："
        ],

        // 2. 完整的 22 张大阿尔卡那牌组（包含逆位含义）
        cardList: [
            {
                name: "愚者",
                keyword: "新的开始",
                meaning: "放下恐惧，勇敢迈出第一步，世界充满无限可能。",
                reversedMeaning: "也许有些太冲动了？停下来检查一下背包，确保安全再出发。",
                energy: "外放",
                image: "/images/yuzhe.png"
            },
            {
                name: "魔术师",
                keyword: "创造力",
                meaning: "你拥有实现目标所需的一切资源，现在是行动的时候。",
                reversedMeaning: "你是否低估了自己的能力？或者在犹豫不决？相信自己，工具就在手边。",
                energy: "外放",
                image: "/images/moshushi.png"
            },
            {
                name: "女祭司",
                keyword: "直觉",
                meaning: "倾听内心的声音，答案就在你潜意识的深处。",
                reversedMeaning: "暂时听不见内心的声音了吗？别急着向外寻找，先让自己静下来。",
                energy: "内敛",
                image: "/images/nvjishi.png"
            },
            {
                name: "皇后",
                keyword: "丰饶",
                meaning: "享受生活的美好，去创造、去关爱，收获也是一种能力。",
                reversedMeaning: "是否忽略了对自己的关爱？或者有些过度保护？给彼此一点呼吸的空间。",
                energy: "柔和",
                image: "/images/nvhuang.png"
            },
            {
                name: "皇帝",
                keyword: "秩序",
                meaning: "建立规则和结构，理性地掌控局面，承担起责任。",
                reversedMeaning: "有时候太固执会让人疲惫，适度放权，弹性也是一种力量。",
                energy: "坚实",
                image: "/images/huangdi.png"
            },
            {
                name: "教皇",
                keyword: "指引",
                meaning: "寻求传统智慧的帮助，或者成为他人的精神导师。",
                reversedMeaning: "不必拘泥于陈规旧矩，试着打破常规，寻找适合你自己的那条路。",
                energy: "庄重",
                image: "/images/jiaohuang.png"
            },
            {
                name: "恋人",
                keyword: "选择",
                meaning: "跟随你的心，在关系中寻找和谐，做出忠于自我的决定。",
                reversedMeaning: "现在的关系是否有些失衡？先爱自己，才能更好地爱别人。",
                energy: "柔和",
                image: "/images/lianren.png"
            },
            {
                name: "战车",
                keyword: "意志",
                meaning: "认准目标，克服相反的力量，胜利属于坚持到底的人。",
                reversedMeaning: "感觉失去了方向控制？慢下来，重新调整导航，欲速则不达。",
                energy: "激进",
                image: "/images/zhanche.png"
            },
            {
                name: "力量",
                keyword: "勇气",
                meaning: "真正的力量是温柔的坚持，用耐心驯服内心的野兽。",
                reversedMeaning: "不要怀疑自己的韧性，面对内心的软弱并不是坏事，那是温柔的开始。",
                energy: "柔和",
                image: "/images/liliang.png"
            },
            {
                name: "隐士",
                keyword: "内省",
                meaning: "暂时远离喧嚣，向内探索，寻找属于你自己的光。",
                reversedMeaning: "`是不是一个人待太久了？试着走出洞穴，和外界建立一点连接吧。",
                energy: "潜沉",
                image: "/images/yinzhe.png"
            },
            {
                name: "命运之轮",
                keyword: "转折",
                meaning: "改变是永恒的，顺势而为，抓住出现在你面前的机会。",
                reversedMeaning: "运气暂时不在你这边，但没关系，低谷正是蓄力反弹的好时机。",
                energy: "流转",
                image: "/images/mingyunzhilun.png"
            },
            {
                name: "正义",
                keyword: "因果",
                meaning: "诚实面对真相，所有的决定都会带来相应的结果。",
                reversedMeaning: "即使结果不尽如人意，也要问心无愧。对自己诚实，比什么都重要。",
                energy: "平衡",
                image: "/images/zhengyi.png"
            },
            {
                name: "倒吊人",
                keyword: "换位",
                meaning: "换一个角度看世界，有时候牺牲是为了更大的获得。",
                reversedMeaning: "挣扎只会更累，不如彻底放松，换个角度看世界，也许心结就解开了。",
                energy: "停滞",
                image: "/images/daodiaoren.png"
            },
            {
                name: "死神",
                keyword: "新生",
                meaning: "结束是为了新的开始，彻底告别过去，才能拥抱未来。",
                reversedMeaning: "还在紧抓着过去不放吗？只有腾出双手，才能接住新的礼物。",
                energy: "决绝",
                image: "/images/sishen.png"
            },
            {
                name: "节制",
                keyword: "平衡",
                meaning: "在极端之间寻找中庸之道，融合对立，通过耐心获得疗愈。",
                reversedMeaning: "是不是有些失衡了？在这忙乱的世界里，找回你内心的节奏和中点。",
                energy: "融合",
                image: "/images/jiezhi.png"
            },
            {
                name: "恶魔",
                keyword: "束缚",
                meaning: "觉察那些控制你的欲望或习惯，唯有觉知才能带来解脱。",
                reversedMeaning: "别被眼前的诱惑蒙蔽，或者感觉被束缚。其实锁链是松的，你随时可以走。",
                energy: "沉重",
                image: "/images/emo.png"
            },
            {
                name: "高塔",
                keyword: "崩塌",
                meaning: "不要害怕突如其来的剧变，它在摧毁虚假的根基，让你重建真实。",
                reversedMeaning: "废墟中反而能看清地基。既然倒了，正好可以按照你真正想要的样子重建。",
                energy: "剧烈",
                image: "/images/ta.png"
            },
            {
                name: "星星",
                keyword: "希望",
                meaning: "黑暗之后必有星光，保持信心，未来充满治愈与灵感。",
                reversedMeaning: "暂时看不见星星也没关系，它们还在那里。给自己一点信心，黎明就在前方。",
                energy: "明亮",
                image: "/images/xingxing.png"
            },
            {
                name: "月亮",
                keyword: "幻象",
                meaning: "直面内心的不安与迷茫，并非所有事情都如表象般真实。",
                reversedMeaning: "恐惧只是长长的影子，别被它吓住。随着天亮，迷雾终会散去。",
                energy: "幽静",
                image: "/images/yueliang.png"
            },
            {
                name: "太阳",
                keyword: "喜悦",
                meaning: "快乐、成功与活力，尽情地发光热，享受当下的幸福。",
                reversedMeaning: "乌云暂时遮住了阳光，但这只是暂时的。保持乐观，你心里的光谁也偷不走。",
                energy: "灼热",
                image: "/images/taiyang.png"
            },
            {
                name: "审判",
                keyword: "觉醒",
                meaning: "听到内心的召唤，回顾过往，做出决定，获得新生。",
                reversedMeaning: "不要对他人的评价太敏感，也不要自我怀疑。如果你准备好了，就出发吧。",
                energy: "回响",
                image: "/images/shenpan.png"
            },
            {
                name: "世界",
                keyword: "圆满",
                meaning: "一段旅程的完美终点，成就感与整合，准备开始新的循环。",
                reversedMeaning: "机遇还没完全成熟，再耐心一点点。检查一下还有什么细节没完成？",
                energy: "圆融",
                image: "/images/shijie.png"
            }
        ],
        // 合并大牌和小牌
        allCards: [],
        aiResult: null
    },

    onLoad: function () {
        // 获取当前日期
        const now = new Date();
        const year = now.getFullYear();
        const month = (now.getMonth() + 1).toString().padStart(2, '0');
        const day = now.getDate().toString().padStart(2, '0');
        const dateStr = `${year}-${month}-${day}`;

        this.setData({
            todayDate: dateStr,
            allCards: [...this.data.cardList, ...minorArcana]
        });

        console.log(`塔罗牌已就位，共 ${this.data.allCards.length} 张。`)
    },

    // --- 1. 选择牌阵 ---
    selectSpread: function (e) {
        const id = e.currentTarget.dataset.id;
        const spread = this.data.spreads.find(s => s.id === id);
        this.setData({
            selectedSpread: spread,
            state: 'asking' // 先进入提问状态
        });
    },

    // --- 1.5 确认问题并开始洗牌 ---
    confirmQuestion: function () {
        const question = this.data.question.trim();
        const questionType = getQuestionType(question);

        this.setData({
            questionType: questionType,
            state: 'shuffling'
        });

        // 模拟洗牌感应 2.5s
        setTimeout(() => {
            this.setData({ state: 'drawing' });
        }, 2500);
    },

    // 输入问题
    onQuestionInput: function (e) {
        this.setData({
            question: e.detail.value
        });
    },

    // --- 2. 抽牌逻辑 ---
    onCardTap: function (e) {
        const index = e.currentTarget.dataset.index;
        let { drawnCardIndices, selectedSpread } = this.data;

        if (drawnCardIndices.includes(index)) {
            drawnCardIndices = drawnCardIndices.filter(i => i !== index);
        } else if (drawnCardIndices.length < selectedSpread.cardCount) {
            drawnCardIndices.push(index);
        }

        this.setData({ drawnCardIndices });
    },

    // --- 3. 确认开启 ---
    confirmDraw: function () {
        const { drawnCardIndices, allCards } = this.data;
        const drawnCards = drawnCardIndices.map(() => {
            const randomIndex = Math.floor(Math.random() * allCards.length);
            const card = Object.assign({}, allCards[randomIndex]);
            card.isReversed = Math.random() >= 0.5;
            // 如果这张牌没有图片（如小牌），使用背面图作为占位符，或保持原有逻辑
            if (!card.image) {
                card.image = this.data.cardBackImage;
            }
            return card;
        });

        this.setData({
            drawnCards,
            state: 'flipping',
            revealedCount: 0
        });
    },

    // --- 4. 逐一翻牌 ---
    revealNext: function (e) {
        const index = e.currentTarget.dataset.index;
        if (index === this.data.revealedCount) {
            const nextCount = index + 1;
            this.setData({
                revealedCount: nextCount
            });

            // 如果全部翻开，触发解读
            if (nextCount === this.data.selectedSpread.cardCount) {
                this.setData({ state: 'revealed' });
                this.showInterpretation();
            }
        }
    },

    // --- 展示解读内容 ---
    showInterpretation: function () {
        const infoAnim = wx.createAnimation({
            duration: 800,
            timingFunction: 'ease'
        });
        infoAnim.opacity(1).translateY(0).step();
        this.setData({ infoAnimation: infoAnim.export() });

        // 异步获取 AI 解读
        this.fetchAiInterpretation();
    },

    // --- 获取 AI 解读主逻辑 ---
    fetchAiInterpretation: function () {
        const { drawnCards, selectedSpread } = this.data;
        if (!drawnCards.length) return;

        this.setData({
            isAiLoading: true,
            aiResult: null
        });

        // 1. 构建卡牌信息
        const cardDetails = drawnCards.map((card, index) => {
            return `位置[${selectedSpread.positions[index]}]：${card.name} (${card.isReversed ? '逆位' : '正位'})，关键词：${card.keyword || (card.keywords ? card.keywords.join(',') : '')}`;
        }).join('\n');

        const userPrompt = `牌阵：${selectedSpread.name}\n${cardDetails}`;

        console.log("正在获取深度解读...");

        wx.request({
            url: DEEPSEEK_BASE_URL,
            method: 'POST',
            header: {
                'Authorization': `Bearer ${DEEPSEEK_API_KEY}`,
                'Content-Type': 'application/json'
            },
            data: {
                model: "deepseek-chat",
                messages: [
                    { role: "system", content: TAROT_PROMPT_ENHANCED },
                    { role: "user", content: userPrompt }
                ],
                stream: false,
                response_format: { type: "json_object" }
            },
            timeout: 20000,
            success: (res) => {
                if (res.data && res.data.choices && res.data.choices[0]) {
                    try {
                        const aiResult = JSON.parse(res.data.choices[0].message.content);
                        const spreadStory = generateSpreadStory(drawnCards);
                        this.setData({
                            aiResult,
                            spreadStory: spreadStory,
                            isAiLoading: false
                        });
                    } catch (e) {
                        console.error("JSON 解析失败", e);
                        this.handleAiFallback();
                    }
                } else {
                    this.handleAiFallback();
                }
            },
            fail: (err) => {
                console.error("请求失败", err);
                this.handleAiFallback();
            }
        });
    },

    handleAiFallback: function () {
        // 构建一个基础的回退对象
        const fallback = {
            theme: "能量感应受阻",
            status: "当前思绪可能较为杂乱",
            influence: "外界干扰或网络波动",
            advice: "建议深呼吸，稍后再次尝试开启心灵对话",
            positions: this.data.drawnCards.map((card, index) => ({
                posName: this.data.selectedSpread.positions[index],
                posMeaning: `${card.name}${card.isReversed ? '(逆位)' : '(正位)'}：${card.isReversed ? (card.reversedMeaning || card.description) : (card.meaning || card.description)}`
            }))
        };
        this.setData({
            aiResult: fallback,
            isAiLoading: false
        });
    },

    resetSpread: function () {
        this.setData({
            state: 'spread_select',
            selectedSpread: null,
            drawnCardIndices: [],
            drawnCards: [],
            revealedCount: 0,
            aiResult: null
        });
    },

    // --- 导航优化：统一返回逻辑 ---
    handleBack: function () {
        wx.navigateBack({
            delta: 1
        });
    }
})