import { EmojiType as Emoji, EmojiCategoryType as EmojiCategory } from '../types/components/emoji-picker'

// 表情数据工具类
export class EmojiData {
    private static instance: EmojiData
    private emojiMap: Map<string, Emoji> = new Map()
    private categoryMap: Map<string, EmojiCategory> = new Map()

    // 常用表情分类
    public static readonly CATEGORIES: EmojiCategory[] = [
        { id: 'recent', name: '最近', icon: '🕒', order: 0 },
        { id: 'smileys', name: '表情', icon: '😀', order: 1 },
        { id: 'people', name: '人物', icon: '👨', order: 2 },
        { id: 'gestures', name: '手势', icon: '👋', order: 3 },
        { id: 'objects', name: '物品', icon: '💡', order: 4 },
        { id: 'nature', name: '自然', icon: '🌳', order: 5 },
        { id: 'food', name: '食物', icon: '🍎', order: 6 },
        { id: 'activities', name: '活动', icon: '⚽', order: 7 },
        { id: 'travel', name: '旅行', icon: '🚗', order: 8 },
        { id: 'symbols', name: '符号', icon: '💖', order: 9 },
        { id: 'flags', name: '旗帜', icon: '🇨🇳', order: 10 }
    ]

    // 默认表情数据
    public static readonly DEFAULT_EMOJIS: Emoji[] = [
        // 笑脸和情感
        { key: 'grinning', char: '😀', name: '大笑', category: 'smileys', type: 'unicode', keywords: ['笑', '开心', '大笑'] },
        { key: 'smiley', char: '😃', name: '微笑', category: 'smileys', type: 'unicode', keywords: ['微笑', '开心'] },
        { key: 'smile', char: '😄', name: '开心', category: 'smileys', type: 'unicode', keywords: ['开心', '笑'] },
        { key: 'grin', char: '😁', name: '咧嘴笑', category: 'smileys', type: 'unicode', keywords: ['咧嘴', '笑'] },
        { key: 'laughing', char: '😆', name: '大笑', category: 'smileys', type: 'unicode', keywords: ['大笑', '哈哈'] },
        { key: 'wink', char: '😉', name: '眨眼', category: 'smileys', type: 'unicode', keywords: ['眨眼', '调皮'] },
        { key: 'blush', char: '😊', name: '害羞', category: 'smileys', type: 'unicode', keywords: ['害羞', '脸红'] },
        { key: 'heart_eyes', char: '😍', name: '爱心眼', category: 'smileys', type: 'unicode', keywords: ['爱', '喜欢', '爱心'] },
        { key: 'kissing_heart', char: '😘', name: '飞吻', category: 'smileys', type: 'unicode', keywords: ['飞吻', '亲'] },
        { key: 'kissing', char: '😗', name: '亲吻', category: 'smileys', type: 'unicode', keywords: ['亲吻'] },

        // 手势
        { key: 'thumbsup', char: '👍', name: '点赞', category: 'gestures', type: 'unicode', keywords: ['赞', '好', '同意'] },
        { key: 'thumbsdown', char: '👎', name: '点踩', category: 'gestures', type: 'unicode', keywords: ['踩', '不好', '反对'] },
        { key: 'clap', char: '👏', name: '鼓掌', category: 'gestures', type: 'unicode', keywords: ['鼓掌', '表扬', '赞'] },
        { key: 'pray', char: '🙏', name: '祈祷', category: 'gestures', type: 'unicode', keywords: ['祈祷', '拜托', '感谢'] },
        { key: 'handshake', char: '🤝', name: '握手', category: 'gestures', type: 'unicode', keywords: ['握手', '合作', '协议'] },
        { key: 'victory', char: '✌️', name: '胜利', category: 'gestures', type: 'unicode', keywords: ['胜利', '耶', '和平'] },
        { key: 'ok_hand', char: '👌', name: 'OK', category: 'gestures', type: 'unicode', keywords: ['OK', '好的', '同意'] },
        { key: 'v', char: '✌', name: '剪刀手', category: 'gestures', type: 'unicode', keywords: ['剪刀手', '耶'] },

        // 物品
        { key: 'heart', char: '❤️', name: '红心', category: 'symbols', type: 'unicode', keywords: ['心', '爱', '喜欢'] },
        { key: 'star', char: '⭐', name: '星星', category: 'symbols', type: 'unicode', keywords: ['星星', '收藏'] },
        { key: 'fire', char: '🔥', name: '火焰', category: 'symbols', type: 'unicode', keywords: ['火', '热', '厉害'] },
        { key: 'rocket', char: '🚀', name: '火箭', category: 'travel', type: 'unicode', keywords: ['火箭', '快', '发射'] },
        { key: 'bulb', char: '💡', name: '灯泡', category: 'objects', type: 'unicode', keywords: ['灯泡', '想法', '主意'] },
        { key: 'gift', char: '🎁', name: '礼物', category: 'objects', type: 'unicode', keywords: ['礼物', '惊喜'] },
        { key: 'bell', char: '🔔', name: '铃铛', category: 'objects', type: 'unicode', keywords: ['铃铛', '通知'] },
        { key: 'lock', char: '🔒', name: '锁', category: 'objects', type: 'unicode', keywords: ['锁', '安全', '保密'] },

        // 自然
        { key: 'sun', char: '☀️', name: '太阳', category: 'nature', type: 'unicode', keywords: ['太阳', '晴天', '热'] },
        { key: 'moon', char: '🌙', name: '月亮', category: 'nature', type: 'unicode', keywords: ['月亮', '夜晚'] },
        { key: 'star2', char: '🌟', name: '闪星', category: 'nature', type: 'unicode', keywords: ['星星', '闪', '亮'] },
        { key: 'cloud', char: '☁️', name: '云', category: 'nature', type: 'unicode', keywords: ['云', '天气'] },
        { key: 'rainbow', char: '🌈', name: '彩虹', category: 'nature', type: 'unicode', keywords: ['彩虹', '希望', '美好'] },
        { key: 'flower', char: '🌹', name: '玫瑰', category: 'nature', type: 'unicode', keywords: ['玫瑰', '花', '爱情'] },
        { key: 'tree', char: '🌳', name: '树', category: 'nature', type: 'unicode', keywords: ['树', '自然'] },

        // 食物
        { key: 'pizza', char: '🍕', name: '披萨', category: 'food', type: 'unicode', keywords: ['披萨', '美食'] },
        { key: 'hamburger', char: '🍔', name: '汉堡', category: 'food', type: 'unicode', keywords: ['汉堡', '快餐'] },
        { key: 'coffee', char: '☕', name: '咖啡', category: 'food', type: 'unicode', keywords: ['咖啡', '提神'] },
        { key: 'beer', char: '🍺', name: '啤酒', category: 'food', type: 'unicode', keywords: ['啤酒', '喝酒'] },
        { key: 'cake', char: '🎂', name: '蛋糕', category: 'food', type: 'unicode', keywords: ['蛋糕', '生日', '庆祝'] },
        { key: 'icecream', char: '🍦', name: '冰淇淋', category: 'food', type: 'unicode', keywords: ['冰淇淋', '冷饮'] },

        // 活动
        { key: 'soccer', char: '⚽', name: '足球', category: 'activities', type: 'unicode', keywords: ['足球', '运动'] },
        { key: 'basketball', char: '🏀', name: '篮球', category: 'activities', type: 'unicode', keywords: ['篮球', '运动'] },
        { key: 'tennis', char: '🎾', name: '网球', category: 'activities', type: 'unicode', keywords: ['网球', '运动'] },
        { key: 'music', char: '🎵', name: '音乐', category: 'activities', type: 'unicode', keywords: ['音乐', '音符'] },
        { key: 'movie', char: '🎬', name: '电影', category: 'activities', type: 'unicode', keywords: ['电影', '导演'] },

        // 自定义表情（图片类型）
        { key: 'custom_001', char: '', name: '自定义1', category: 'custom', type: 'image', url: '/static/emoji/custom/001.png' },
        { key: 'custom_002', char: '', name: '自定义2', category: 'custom', type: 'image', url: '/static/emoji/custom/002.png' }
    ]

    private constructor() {
        this.initData()
    }

    public static getInstance(): EmojiData {
        if (!EmojiData.instance) {
            EmojiData.instance = new EmojiData()
        }
        return EmojiData.instance
    }

    private initData(): void {
        // 初始化分类
        EmojiData.CATEGORIES.forEach(category => {
            this.categoryMap.set(category.id, category)
        })

        // 初始化表情
        EmojiData.DEFAULT_EMOJIS.forEach(emoji => {
            this.emojiMap.set(emoji.key, emoji)
        })
    }

    // 获取所有表情
    public getAllEmojis(): Emoji[] {
        return Array.from(this.emojiMap.values())
    }

    // 获取所有分类
    public getAllCategories(): EmojiCategory[] {
        return Array.from(this.categoryMap.values())
    }

    // 根据分类获取表情
    public getEmojisByCategory(categoryId: string): Emoji[] {
        return this.getAllEmojis().filter(emoji => emoji.category === categoryId)
    }

    // 搜索表情
    public searchEmojis(keyword: string): Emoji[] {
        const kw = keyword.toLowerCase().trim()
        if (!kw) return []

        return this.getAllEmojis().filter(emoji => {
            // 搜索名称
            if (emoji.name.toLowerCase().includes(kw)) return true

            // 搜索关键词
            if (emoji.keywords?.some(k => k.toLowerCase().includes(kw))) return true

            // 搜索 key
            if (emoji.key.toLowerCase().includes(kw)) return true

            // 搜索字符
            if (emoji.char.includes(kw)) return true

            return false
        })
    }

    // 根据key获取表情
    public getEmojiByKey(key: string): Emoji | undefined {
        return this.emojiMap.get(key)
    }

    // 根据字符获取表情
    public getEmojiByChar(char: string): Emoji | undefined {
        return this.getAllEmojis().find(emoji => emoji.char === char)
    }

    // 添加自定义表情
    public addCustomEmoji(emoji: Emoji): void {
        if (!emoji.category) {
            emoji.category = 'custom'
        }
        this.emojiMap.set(emoji.key, emoji)
    }

    // 移除表情
    public removeEmoji(key: string): boolean {
        return this.emojiMap.delete(key)
    }

    // 获取最近使用的表情（从本地存储）
    public getRecentEmojis(maxCount: number = 36): Emoji[] {
        try {
            const data = uni.getStorageSync('im_emoji_recent')
            if (data) {
                const keys = JSON.parse(data) as string[]
                const emojis = keys
                    .map(key => this.getEmojiByKey(key))
                    .filter(Boolean) as Emoji[]
                return emojis.slice(0, maxCount)
            }
        } catch (error) {
            console.error('获取最近表情失败:', error)
        }
        return []
    }

    // 添加到最近使用
    public addToRecent(key: string): void {
        try {
            const data = uni.getStorageSync('im_emoji_recent')
            let recentKeys: string[] = []

            if (data) {
                recentKeys = JSON.parse(data) as string[]
            }

            // 移除重复项
            const index = recentKeys.indexOf(key)
            if (index > -1) {
                recentKeys.splice(index, 1)
            }

            // 添加到开头
            recentKeys.unshift(key)

            // 限制数量
            if (recentKeys.length > 50) {
                recentKeys = recentKeys.slice(0, 50)
            }

            uni.setStorageSync('im_emoji_recent', JSON.stringify(recentKeys))
        } catch (error) {
            console.error('保存最近表情失败:', error)
        }
    }

    // 清空最近使用
    public clearRecentEmojis(): void {
        try {
            uni.removeStorageSync('im_emoji_recent')
        } catch (error) {
            console.error('清空最近表情失败:', error)
        }
    }
}

// 导出单例和类型
export const emojiData = EmojiData.getInstance()
export type { Emoji, EmojiCategory }