package license

import (

	"backend/utils"
	"backend/internal/dto"
	"net/http"

	"github.com/gin-gonic/gin"
)

// Verify 客户端 License 验证 // Logan.Li
func (ctrl *LicenseController) Verify(c *gin.Context) {
	var req dto.LicenseVerifyRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误: " + err.Error()})
		return
	}
	resp, _ := ctrl.svc.Verify(req)
	c.JSON(http.StatusOK, resp)
}

// ActivateDevice 客户端激活（机器绑定） // Logan.Li
func (ctrl *LicenseController) ActivateDevice(c *gin.Context) {
	var req dto.LicenseActivateRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误: " + err.Error()})
		return
	}
	data, err := ctrl.svc.Activate(req, c.ClientIP())
	if err != nil {
		c.JSON(http.StatusOK, gin.H{"code": 1, "message": utils.InternalMsg(err)})
		return
	}
	c.JSON(http.StatusOK, gin.H{"code": 0, "message": "激活成功", "data": data})
}

// Deactivate 客户端停用 // Logan.Li
func (ctrl *LicenseController) Deactivate(c *gin.Context) {
	var req dto.LicenseDeactivateRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
		return
	}
	if err := ctrl.svc.Deactivate(req); err != nil {
		c.JSON(http.StatusOK, gin.H{"code": 1, "message": utils.InternalMsg(err)})
		return
	}
	c.JSON(http.StatusOK, gin.H{"code": 0, "message": "停用成功"})
}

// Heartbeat 客户端心跳 // Logan.Li
func (ctrl *LicenseController) Heartbeat(c *gin.Context) {
	var req dto.LicenseHeartbeatRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
		return
	}
	data, err := ctrl.svc.Heartbeat(req)
	if err != nil {
		c.JSON(http.StatusOK, gin.H{"code": 1, "message": utils.InternalMsg(err)})
		return
	}
	c.JSON(http.StatusOK, gin.H{"code": 0, "message": "心跳成功", "data": data})
}

// ListDevices 客户端查询已绑定设备（用于席位满时释放） // Logan.Li
func (ctrl *LicenseController) ListDevices(c *gin.Context) {
	var req struct {
		LicenseKey string `json:"license_key" binding:"required"`
	}
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
		return
	}
	devices, maxDevices, err := ctrl.svc.ListDevicesByKey(req.LicenseKey)
	if err != nil {
		c.JSON(http.StatusOK, gin.H{"code": 1, "message": utils.InternalMsg(err)})
		return
	}
	c.JSON(http.StatusOK, gin.H{"code": 0, "data": gin.H{
		"devices":     devices,
		"max_devices": maxDevices,
		"used":        len(devices),
	}})
}