package handler

import (
	"net/http"
	"strconv"

	"giter.top/smart/internal/iam/service"
	"github.com/gin-gonic/gin"
)

type TenantHandler struct {
	svc service.TenantService
}

func NewTenantHandler(svc service.TenantService) *TenantHandler {
	return &TenantHandler{svc: svc}
}

func (h *TenantHandler) Create(c *gin.Context) {
	var req service.CreateTenantRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	t, err := h.svc.Create(c.Request.Context(), &req)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusCreated, t)
}

func (h *TenantHandler) Update(c *gin.Context) {
	id := c.Param("id")
	if id == "" {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
		return
	}
	var req service.UpdateTenantRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	t, err := h.svc.Update(c.Request.Context(), id, &req)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, t)
}

func (h *TenantHandler) Delete(c *gin.Context) {
	var ids []string
	if err := c.ShouldBindJSON(&ids); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	if err := h.svc.Delete(c.Request.Context(), ids); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	c.Status(http.StatusNoContent)
}

func (h *TenantHandler) Get(c *gin.Context) {
	id := c.Param("id")
	if id == "" {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
		return
	}
	t, err := h.svc.Get(c.Request.Context(), id)
	if err != nil {
		c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, t)
}

func (h *TenantHandler) List(c *gin.Context) {
	name := c.Query("name")
	code := c.Query("code")
	var status *int16
	if s := c.Query("status"); s != "" {
		v64, err := strconv.ParseInt(s, 10, 16)
		if err == nil {
			v := int16(v64)
			status = &v
		}
	}
	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
	pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "10"))
	resp, err := h.svc.List(c.Request.Context(), name, code, status, page, pageSize)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, resp)
}