package handlers

import (
	"github.com/gin-gonic/gin"
	"smart-customer-service/config"
)

type Handlers struct {
	Auth         *AuthHandler
	User         *UserHandler
	Tenant       *TenantHandler
	Conversation *ConversationHandler
	Message      *MessageHandler
	Ticket       *TicketHandler
	Knowledge    *KnowledgeHandler
	Admin        *AdminHandler
}

func New(cfg *config.Config) *Handlers {
	return &Handlers{
		Auth:         &AuthHandler{cfg: cfg},
		User:         &UserHandler{cfg: cfg},
		Tenant:       &TenantHandler{cfg: cfg},
		Conversation: &ConversationHandler{cfg: cfg},
		Message:      &MessageHandler{cfg: cfg},
		Ticket:       &TicketHandler{cfg: cfg},
		Knowledge:    &KnowledgeHandler{cfg: cfg},
		Admin:        &AdminHandler{cfg: cfg},
	}
}

// AuthHandler 认证处理器
type AuthHandler struct{ cfg *config.Config }

func (h *AuthHandler) Login(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "登录成功",
		"token":   "jwt-token-placeholder",
	})
}

func (h *AuthHandler) Register(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "注册成功",
	})
}

func (h *AuthHandler) RefreshToken(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "令牌刷新成功",
		"token":   "new-jwt-token-placeholder",
	})
}

// UserHandler 用户处理器
type UserHandler struct{ cfg *config.Config }

func (h *UserHandler) GetProfile(c *gin.Context) {
	c.JSON(200, gin.H{
		"id":       1,
		"username": "admin",
		"email":    "admin@example.com",
		"role":     "super_admin",
	})
}

func (h *UserHandler) UpdateProfile(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "资料更新成功",
	})
}

// TenantHandler 租户处理器
type TenantHandler struct{ cfg *config.Config }

func (h *TenantHandler) Register(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "租户注册成功",
		"tenant_id": 1,
	})
}

func (h *TenantHandler) GetTenantInfo(c *gin.Context) {
	c.JSON(200, gin.H{
		"id":   1,
		"name": "示例科技有限公司",
		"plan": "free",
	})
}

func (h *TenantHandler) ListAll(c *gin.Context) {
	c.JSON(200, gin.H{
		"tenants": []gin.H{
			{"id": 1, "name": "示例科技有限公司", "plan": "free"},
		},
	})
}

func (h *TenantHandler) UpdateStatus(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "租户状态更新成功",
	})
}

// ConversationHandler 会话处理器
type ConversationHandler struct{ cfg *config.Config }

func (h *ConversationHandler) List(c *gin.Context) {
	c.JSON(200, gin.H{
		"conversations": []gin.H{
			{"id": 1, "title": "产品咨询", "status": "open"},
		},
	})
}

func (h *ConversationHandler) Create(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "会话创建成功",
		"conversation_id": 1,
	})
}

func (h *ConversationHandler) Get(c *gin.Context) {
	c.JSON(200, gin.H{
		"id":    1,
		"title": "产品咨询",
		"status": "open",
	})
}

func (h *ConversationHandler) GetMessages(c *gin.Context) {
	c.JSON(200, gin.H{
		"messages": []gin.H{
			{"id": 1, "content": "您好！有什么可以帮您的？", "sender": "ai"},
			{"id": 2, "content": "我想了解产品价格", "sender": "user"},
		},
	})
}

// MessageHandler 消息处理器
type MessageHandler struct{ cfg *config.Config }

func (h *MessageHandler) Send(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "消息发送成功",
		"message_id": 1,
	})
}

// TicketHandler 工单处理器
type TicketHandler struct{ cfg *config.Config }

func (h *TicketHandler) List(c *gin.Context) {
	c.JSON(200, gin.H{
		"tickets": []gin.H{
			{"id": 1, "title": "产品问题", "status": "open"},
		},
	})
}

func (h *TicketHandler) Create(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "工单创建成功",
		"ticket_id": 1,
	})
}

func (h *TicketHandler) Get(c *gin.Context) {
	c.JSON(200, gin.H{
		"id":    1,
		"title": "产品问题",
		"status": "open",
	})
}

func (h *TicketHandler) Update(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "工单更新成功",
	})
}

// KnowledgeHandler 知识库处理器
type KnowledgeHandler struct{ cfg *config.Config }

func (h *KnowledgeHandler) List(c *gin.Context) {
	c.JSON(200, gin.H{
		"knowledge": []gin.H{
			{"id": 1, "title": "常见问题", "category": "faq"},
		},
	})
}

func (h *KnowledgeHandler) Create(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "知识条目创建成功",
		"knowledge_id": 1,
	})
}

func (h *KnowledgeHandler) Update(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "知识条目更新成功",
	})
}

func (h *KnowledgeHandler) Delete(c *gin.Context) {
	c.JSON(200, gin.H{
		"message": "知识条目删除成功",
	})
}

// AdminHandler 管理员处理器
type AdminHandler struct{ cfg *config.Config }

func (h *AdminHandler) GetStats(c *gin.Context) {
	c.JSON(200, gin.H{
		"stats": gin.H{
			"total_tenants": 1,
			"total_users": 10,
			"active_conversations": 5,
			"open_tickets": 3,
		},
	})
}