package handler

import (
	"errors"
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/google/uuid"

	"github.com/yuxingu/digital-psychology/apps/api/internal/middleware"
	"github.com/yuxingu/digital-psychology/apps/api/internal/service/admin"
	"github.com/yuxingu/digital-psychology/apps/api/pkg/response"
)

func (h *AdminHandler) registerRhythmConfigs(authed *gin.RouterGroup) {
	g := authed.Group("/explore")
	g.GET("/rhythm-configs", middleware.RequireAdminPermission(h.Svc, admin.PermExploreRead), h.ListRhythmConfigs)
	g.GET("/rhythm-configs/:id", middleware.RequireAdminPermission(h.Svc, admin.PermExploreRead), h.GetRhythmConfig)
	g.POST("/rhythm-configs", middleware.RequireAdminPermission(h.Svc, admin.PermExploreWrite), h.CreateRhythmConfig)
	g.PUT("/rhythm-configs/:id", middleware.RequireAdminPermission(h.Svc, admin.PermExploreWrite), h.UpdateRhythmConfig)
}

func (h *AdminHandler) ListRhythmConfigs(c *gin.Context) {
	items, err := h.Svc.ListRhythmConfigs(c.Request.Context())
	if err != nil {
		response.Fail(c, http.StatusInternalServerError, 50050, "list rhythm-config failed")
		return
	}
	response.OK(c, gin.H{"items": items})
}

func (h *AdminHandler) GetRhythmConfig(c *gin.Context) {
	id, err := uuid.Parse(c.Param("id"))
	if err != nil {
		response.Fail(c, http.StatusBadRequest, 40002, "invalid id")
		return
	}
	row, err := h.Svc.GetRhythmConfig(c.Request.Context(), id)
	if errors.Is(err, admin.ErrRhythmConfigNotFound) {
		response.Fail(c, http.StatusNotFound, 40420, "rhythm-config not found")
		return
	}
	if err != nil {
		response.Fail(c, http.StatusInternalServerError, 50051, "get rhythm-config failed")
		return
	}
	response.OK(c, row)
}

func (h *AdminHandler) CreateRhythmConfig(c *gin.Context) {
	adminID, ok := middleware.AdminIDFromContext(c)
	if !ok {
		response.Fail(c, http.StatusUnauthorized, 40101, "admin auth required")
		return
	}
	var body admin.RhythmConfigWriteBody
	if err := c.ShouldBindJSON(&body); err != nil {
		response.Fail(c, http.StatusBadRequest, 40054, "invalid body")
		return
	}
	row, err := h.Svc.CreateRhythmConfig(c.Request.Context(), adminID, body)
	if errors.Is(err, admin.ErrInvalidRhythmConfig) {
		response.Fail(c, http.StatusBadRequest, 40055, "invalid rhythm config")
		return
	}
	if errors.Is(err, admin.ErrRhythmConfigConflict) {
		response.Fail(c, http.StatusConflict, 40912, "rhythm config code conflict")
		return
	}
	if err != nil {
		response.Fail(c, http.StatusInternalServerError, 50052, "create rhythm config failed")
		return
	}
	response.OK(c, row)
}

func (h *AdminHandler) UpdateRhythmConfig(c *gin.Context) {
	adminID, ok := middleware.AdminIDFromContext(c)
	if !ok {
		response.Fail(c, http.StatusUnauthorized, 40101, "admin auth required")
		return
	}
	id, err := uuid.Parse(c.Param("id"))
	if err != nil {
		response.Fail(c, http.StatusBadRequest, 40002, "invalid id")
		return
	}
	var body admin.RhythmConfigWriteBody
	if err := c.ShouldBindJSON(&body); err != nil {
		response.Fail(c, http.StatusBadRequest, 40054, "invalid body")
		return
	}
	row, err := h.Svc.UpdateRhythmConfig(c.Request.Context(), adminID, id, body)
	if errors.Is(err, admin.ErrRhythmConfigNotFound) {
		response.Fail(c, http.StatusNotFound, 40420, "rhythm-config not found")
		return
	}
	if errors.Is(err, admin.ErrInvalidRhythmConfig) {
		response.Fail(c, http.StatusBadRequest, 40055, "invalid rhythm config")
		return
	}
	if errors.Is(err, admin.ErrRhythmConfigConflict) {
		response.Fail(c, http.StatusConflict, 40912, "rhythm config code conflict")
		return
	}
	if err != nil {
		response.Fail(c, http.StatusInternalServerError, 50053, "update rhythm config failed")
		return
	}
	response.OK(c, row)
}