// Package explore provides the L1→L3 explore catalog.
package explore

// Item is a leaf tool in the catalog.
type Item struct {
	Key         string `json:"key"`
	Title       string `json:"title"`
	Description string `json:"description"`
	Path        string `json:"path"`
	Icon        string `json:"icon"`
	Tone        string `json:"tone"`
	Badge       string `json:"badge,omitempty"`
}

// Category is an L1 explore bucket.
type Category struct {
	Key         string `json:"key"`
	Title       string `json:"title"`
	Description string `json:"description"`
	Icon        string `json:"icon"`
	Tone        string `json:"tone"`
	Items       []Item `json:"items"`
}

// Catalog returns the full explore tree (deterministic, no DB).
// Order: 四核心优先，量表后置。
func Catalog() []Category {
	return []Category{
		{
			Key: "decode", Title: "愈心解码", Description: "一个生日，读懂性格与节奏",
			Icon: "△", Tone: "gold",
			Items: []Item{
				{Key: "portrait", Title: "愈心解码", Description: "生日生成性格解码报告", Path: "/portrait", Icon: "△", Tone: "gold", Badge: "热"},
			},
		},
		{
			Key: "star", Title: "星座", Description: "排盘 · 运势 · 合盘",
			Icon: "✦", Tone: "night",
			Items: []Item{
				{Key: "star-report", Title: "本命排盘", Description: "圆形星盘 / 宫位 / 相位 / 运势", Path: "/star", Icon: "✦", Tone: "night", Badge: "热"},
				{Key: "star-synastry", Title: "合盘", Description: "比较盘与恋爱/友情/婚姻指数", Path: "/synastry", Icon: "✧", Tone: "night", Badge: "AI"},
			},
		},
		{
			Key: "relation", Title: "人格匹配", Description: "双人风格对照 · 相处说明书",
			Icon: "♡", Tone: "rose",
			Items: []Item{
				{Key: "relation-insight", Title: "人格匹配", Description: "行为风格对照与相处建议", Path: "/relation", Icon: "♡", Tone: "rose", Badge: "热"},
			},
		},
		{
			Key: "rhythm", Title: "身心节律", Description: "五行倾向与生活节奏建议",
			Icon: "☯", Tone: "green",
			Items: []Item{
				{Key: "rhythm-report", Title: "身心节律报告", Description: "体质倾向与生活建议", Path: "/rhythm", Icon: "☯", Tone: "green"},
				{Key: "companion-term", Title: "今日节气陪伴", Description: "季节生活小建议", Path: "/companion", Icon: "♡", Tone: "green"},
			},
		},
		{
			Key: "cards", Title: "意象卡片", Description: "投射反思，整理当下感受",
			Icon: "◈", Tone: "teal",
			Items: []Item{
				{Key: "image-cards", Title: "抽取意象卡片", Description: "单卡或三卡组合练习", Path: "/cards", Icon: "◈", Tone: "teal"},
			},
		},
		{
			Key: "growth", Title: "情绪与成长", Description: "心情轨迹、成长计划与问答",
			Icon: "○", Tone: "green",
			Items: []Item{
				{Key: "mood-trail", Title: "心情轨迹", Description: "近七日心情回顾", Path: "/companion", Icon: "○", Tone: "green"},
				{Key: "growth-plan", Title: "成长计划", Description: "小目标与每日打卡", Path: "/growth-plan", Icon: "▽", Tone: "teal"},
				{Key: "ask", Title: "AI 成长助手", Description: "结合档案整理感受", Path: "/ask", Icon: "◎", Tone: "gold"},
			},
		},
		{
			Key: "tests", Title: "更多测评", Description: "轻量量表（次要入口）",
			Icon: "◆", Tone: "blue",
			Items: []Item{
				{Key: "mbti-lite", Title: "人格类型探索", Description: "能量与决策偏好（轻量）", Path: "/scales/mbti-lite", Icon: "◆", Tone: "blue"},
				{Key: "enneagram-lite", Title: "动机模式探索", Description: "内在动机九型向轻测", Path: "/scales/enneagram-lite", Icon: "⑨", Tone: "purple"},
				{Key: "bigfive-lite", Title: "性格五维探索", Description: "稳定特质速览", Path: "/scales/bigfive-lite", Icon: "◈", Tone: "teal"},
				{Key: "love-style", Title: "亲密互动探索", Description: "亲密关系中的互动偏好", Path: "/scales/love-style", Icon: "♡", Tone: "rose"},
				{Key: "eq-lite", Title: "情绪觉察探索", Description: "识别与调节情绪的习惯", Path: "/scales/eq-lite", Icon: "♥", Tone: "pink"},
				{Key: "stress-index", Title: "压力负荷探索", Description: "近期压力与恢复方式", Path: "/scales/stress-index", Icon: "☯", Tone: "green"},
				{Key: "career-interest", Title: "职业兴趣探索", Description: "工作动力与环境偏好", Path: "/scales/career-interest", Icon: "◎", Tone: "gold"},
				{Key: "communication-style", Title: "沟通方式探索", Description: "表达与倾听偏好", Path: "/scales/communication-style", Icon: "◆", Tone: "blue"},
				{Key: "emotion-pattern", Title: "情绪模式探索", Description: "情绪起伏与自我照顾", Path: "/scales/emotion-pattern", Icon: "♥", Tone: "pink"},
			},
		},
	}
}

// CategoryByKey returns one category or nil.
func CategoryByKey(key string) *Category {
	for _, c := range Catalog() {
		if c.Key == key {
			cp := c
			return &cp
		}
	}
	return nil
}