// 管理端用户管理接口：列表、创建、详情、积分流水、任务、审计事件、更新与删除。
//
// 所有接口在 service 层通过 RequireAdmin 校验身份；这里只做参数解析与响应封装。

package handler

import (
	"net/http"

	"yingce/backend/internal/service"

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

func registerAdminUserRoutes(r *gin.RouterGroup, svc *service.Service) {
	r.GET("/admin/users", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		page, limit, err := parsePaginationQuery(c, 20)
		if err != nil {
			fail(c, http.StatusBadRequest, err)
			return
		}
		users, err := svc.AdminUsers(user, service.AdminListQuery{Keyword: c.Query("keyword"), Type: c.Query("role"), Status: c.Query("status"), Page: page, Limit: limit})
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, users)
	})
	r.POST("/admin/users", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
		var req service.CreateAdminUserRequest
		if err := c.ShouldBindJSON(&req); err != nil {
			fail(c, http.StatusBadRequest, err)
			return
		}
		created, err := svc.CreateAdminUser(user, req)
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, gin.H{"user": created})
	})
	r.GET("/admin/references", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		data, err := svc.AdminReferences(user)
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, data)
	})
	r.POST("/admin/users/bulk-disable", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
		var req service.BulkDisableUsersRequest
		if err := c.ShouldBindJSON(&req); err != nil {
			fail(c, http.StatusBadRequest, err)
			return
		}
		result, err := svc.BulkDisableUsers(user, req)
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, result)
	})
	r.GET("/admin/users/:id/detail", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		result, err := svc.AdminUserDetail(user, c.Param("id"))
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, result)
	})
	r.GET("/admin/users/:id/ledger", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		page, limit, err := parsePaginationQuery(c, 20)
		if err != nil {
			fail(c, http.StatusBadRequest, err)
			return
		}
		result, err := svc.AdminUserLedger(user, c.Param("id"), c.Query("type"), page, limit)
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, result)
	})
	r.GET("/admin/users/:id/tasks", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		page, limit, err := parsePaginationQuery(c, 20)
		if err != nil {
			fail(c, http.StatusBadRequest, err)
			return
		}
		result, err := svc.AdminUserTasks(user, c.Param("id"), page, limit)
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, result)
	})
	r.GET("/admin/users/:id/audit-events", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		page, limit, err := parsePaginationQuery(c, 20)
		if err != nil {
			fail(c, http.StatusBadRequest, err)
			return
		}
		result, err := svc.AdminUserAuditEvents(user, c.Param("id"), page, limit)
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, result)
	})
	r.PATCH("/admin/users/:id", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		var req service.UpdateUserRequest
		if err := c.ShouldBindJSON(&req); err != nil {
			fail(c, http.StatusBadRequest, err)
			return
		}
		updated, err := svc.UpdateUser(user, c.Param("id"), req)
		if err != nil {
			failService(c, err)
			return
		}
		ok(c, gin.H{"user": updated})
	})
	r.DELETE("/admin/users/:id", func(c *gin.Context) {
		user, err := currentUser(c, svc)
		if err != nil {
			failService(c, err)
			return
		}
		if err := svc.DeleteUser(user, c.Param("id")); err != nil {
			failService(c, err)
			return
		}
		ok(c, gin.H{"ok": true})
	})
}