import { AGE_BANDS, AgeBandKey } from '../../core/data/difficulty';
import { NAV_INNER_PX } from '../../utils/navMetrics';

type AbilityItem = {
    icon: string;
    title: string;
    desc: string;
};

type WeekExercise = {
    title: string;
};

type WeekPlan = {
    week: number;
    theme: string;
    exercises: WeekExercise[];
};

const AGE_TAB_SUB: Record<AgeBandKey, string> = {
    '3-4': '启蒙认知',
    '4-5': '基础练习',
    '5-6': '能力提升',
    '6-7': '幼小衔接',
    '7-8': '知识拓展',
};

/** Stitch「为你推荐」占位图（需在小程序后台配置 download 合法域名含 lh3.googleusercontent.com） */
const RECOMMENDED_FROM_STITCH: { title: string; image: string }[] = [
    {
        title: '10以内加减法',
        image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuD-3lADhclTGODN9WtNh5v8bQPLysbllbKNkH40bAmVyE5d54PwfTBOiX9nER1hpE4rzHAfsmM_JhVnsE4EbdA914rYIb3S3e4r9QKFjUqYmj2XpE4MlYr_vLkG4oeMnvnHOqGC96nLGrPSOq-fpIddV7RSlYLDeNccBs0G2oUOy-6jIMujzTuEGk4nnxme5rpxs7rYjwcvVsqM5dlkpJthY42e4B3lSPH7ezx187WRSk--m4ZiWmAI52mMOiygzTSWoNormlvfvdM',
    },
    {
        title: '拼音描红',
        image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuBYS4O7PyflR5q8M6oXKwj_8QHzex3OL3YvdHBncutm7a_bjlZj83-8UBpGUQvJO20V0BnAdU3iKEoLlUqwpS60CiPhVyxYaHEAqv52P5YUhJdjf0hpLir1Li4rdI_-eqGkPTasYl-5kD2r8-RjUokKg_HiW5_TF72UbxFXHQh4BefYJZfl0Oc9-aTQvkbFL0C3tagi9Qv1jRsgQldMFU4M7cHt8KkxhO1QDF7-R85ZFORJM0RiqV2l-jn0c-UscKtuWtroiX6UUKk',
    },
    {
        title: '趣味找不同',
        image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuBSafbTyucs8JLpTgibRWwAJsHukrklTAuEnaAzax_Kr1RNCwHjqpQjta0Q-h47ClufzEmaHPgCIOlm_a2lL4gNlgBDyraCwzRU7aWCf_Fj_dM1cLGzROJmtqrdHKjQzTbCp0_Da8BvXi4a4H2X4RAYVPnLbZVmbgPXrTvpKgEI605kIMmr3n0--WojJQRsF4B_xCho80gABbIaMTHJHrs9xdEY6fZKg8ArQx7lRbJ6_EsLLB_C5a5crZ_begwruXKr3pmdU6KneC8',
    },
    {
        title: '走迷宫大挑战',
        image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuAOZHI1Dz6ax4iFUb3QYL-EWp2euA_3kyUeCcu6V57BBCzarMwKnFzcpJxJn4X4woklWFB08Ii1w6zsk0H5eDaPdgUYmsvY0NFqvAhKN_IbZGZjZnclZlBHkLRcX64Nl767L2pg01FQu9Tp6nq2p3lAuYeEQ2fiIdXh4j-QHyikbmx4_aDlx5X5fC0fqMMxWykhwLNkDzl2Rs3ucXj7zYnUP-dNNY-aj_JvqkY4pqoXQDt9ZJcfSeL0dWes7nvD5U2C_JFhrk1bVkw',
    },
    {
        title: '数字点连线',
        image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuD-3lADhclTGODN9WtNh5v8bQPLysbllbKNkH40bAmVyE5d54PwfTBOiX9nER1hpE4rzHAfsmM_JhVnsE4EbdA914rYIb3S3e4r9QKFjUqYmj2XpE4MlYr_vLkG4oeMnvnHOqGC96nLGrPSOq-fpIddV7RSlYLDeNccBs0G2oUOy-6jIMujzTuEGk4nnxme5rpxs7rYjwcvVsqM5dlkpJthY42e4B3lSPH7ezx187WRSk--m4ZiWmAI52mMOiygzTSWoNormlvfvdM',
    },
    {
        title: '方格推理高手',
        image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuBYS4O7PyflR5q8M6oXKwj_8QHzex3OL3YvdHBncutm7a_bjlZj83-8UBpGUQvJO20V0BnAdU3iKEoLlUqwpS60CiPhVyxYaHEAqv52P5YUhJdjf0hpLir1Li4rdI_-eqGkPTasYl-5kD2r8-RjUokKg_HiW5_TF72UbxFXHQh4BefYJZfl0Oc9-aTQvkbFL0C3tagi9Qv1jRsgQldMFU4M7cHt8KkxhO1QDF7-R85ZFORJM0RiqV2l-jn0c-UscKtuWtroiX6UUKk',
    },
];

/** 各年龄段能力目标（Mock） */
const MOCK_ABILITY: Record<AgeBandKey, AbilityItem[]> = {
    '3-4': [
        {
            icon: '🔢',
            title: '数感',
            desc: '认读 1-5、点数对应',
        },
        {
            icon: '✏️',
            title: '书写',
            desc: '涂鸦线条、简单描红',
        },
        {
            icon: '🧩',
            title: '思维',
            desc: '找相同、简单配对',
        },
    ],
    '4-5': [
        {
            icon: '🔢',
            title: '数感',
            desc: '10 以内数数、比大小',
        },
        {
            icon: '✏️',
            title: '书写',
            desc: '笔画模仿、图形描边',
        },
        {
            icon: '🧩',
            title: '思维',
            desc: '规律排序、图形分类',
        },
    ],
    '5-6': [
        {
            icon: '🔢',
            title: '数感',
            desc: '10以内加减法、凑十法',
        },
        {
            icon: '✏️',
            title: '书写',
            desc: '练字帖、拼音入门',
        },
        {
            icon: '🧩',
            title: '思维',
            desc: '方格推理、格子仿画 5×5',
        },
    ],
    '6-7': [
        {
            icon: '🔢',
            title: '数感',
            desc: '20 以内运算、应用题启蒙',
        },
        {
            icon: '✏️',
            title: '书写',
            desc: '常用字书写、词语积累',
        },
        {
            icon: '🧩',
            title: '思维',
            desc: '逻辑填空、空间想象',
        },
    ],
    '7-8': [
        {
            icon: '🔢',
            title: '数感',
            desc: '乘除启蒙、巧算练习',
        },
        {
            icon: '✏️',
            title: '书写',
            desc: '段落抄写、古诗诵读',
        },
        {
            icon: '🧩',
            title: '思维',
            desc: '数独入门、综合推理',
        },
    ],
};

/** 4 周路线（各年龄段共用结构，内容 Mock） */
const MOCK_WEEKS: WeekPlan[] = [
    {
        week: 1,
        theme: '数感启蒙',
        exercises: [
            { title: '找数字涂一涂' },
            { title: '5 以内加法' },
            { title: '数数连一连' },
        ],
    },
    {
        week: 2,
        theme: '形状与连线',
        exercises: [
            { title: '识别形状' },
            { title: '线条识别' },
            { title: '数字点连线' },
        ],
    },
    {
        week: 3,
        theme: '趣味专注',
        exercises: [
            { title: '颜色找规律' },
            { title: '方格推理' },
            { title: '格子仿画' },
        ],
    },
    {
        week: 4,
        theme: '综合练习',
        exercises: [
            { title: '10以内加减法' },
            { title: '识字卡' },
            { title: '连连看' },
        ],
    },
];

const DEFAULT_AGE: AgeBandKey = '5-6';

Page({
    data: {
        statusBarHeight: 0,
        navBlockHeight: 0,
        ageTabs: AGE_BANDS.map((b) => ({
            key: b.key,
            rangeText: b.label.replace(/\s*岁\s*$/, ''),
            subLabel: AGE_TAB_SUB[b.key],
        })),
        activeAgeKey: DEFAULT_AGE,
        goalTitle: '',
        abilityItems: [] as AbilityItem[],
        weekPlans: MOCK_WEEKS,
        recommendedItems: RECOMMENDED_FROM_STITCH,
    },

    onLoad() {
        const win = wx.getWindowInfo();
        this.setData({
            statusBarHeight: win.statusBarHeight,
            navBlockHeight: win.statusBarHeight + NAV_INNER_PX,
        });
        this.applyAge(DEFAULT_AGE);
    },

    applyAge(key: AgeBandKey) {
        const band = AGE_BANDS.find((b) => b.key === key);
        const goalTitle = band ? `${band.label}能力目标` : '能力目标';
        this.setData({
            activeAgeKey: key,
            goalTitle,
            abilityItems: MOCK_ABILITY[key],
        });
    },

    onAgeTabTap(e: WechatMiniprogram.TouchEvent) {
        const key = e.currentTarget.dataset.key as AgeBandKey | undefined;
        if (!key) return;
        this.applyAge(key);
    },

    onPracticeTap(e: WechatMiniprogram.TouchEvent) {
        const title = e.currentTarget.dataset.title as string | undefined;
        if (!title) return;
        wx.showToast({ title: `即将前往：${title}`, icon: 'none' });
    },

    onRecommendMore() {
        wx.switchTab({ url: '/pages/home/home' });
    },

    onRecommendTap(e: WechatMiniprogram.TouchEvent) {
        const title = e.currentTarget.dataset.title as string | undefined;
        if (!title) return;
        wx.showToast({ title: `去看看：${title}`, icon: 'none' });
    },
});