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) registerImageCardDecks(authed *gin.RouterGroup) {
	g := authed.Group("/explore")
	g.GET("/image-card-decks", middleware.RequireAdminPermission(h.Svc, admin.PermExploreRead), h.ListImageCardDecks)
	g.GET("/image-card-decks/:id", middleware.RequireAdminPermission(h.Svc, admin.PermExploreRead), h.GetImageCardDeck)
	g.POST("/image-card-decks", middleware.RequireAdminPermission(h.Svc, admin.PermExploreWrite), h.CreateImageCardDeck)
	g.PUT("/image-card-decks/:id", middleware.RequireAdminPermission(h.Svc, admin.PermExploreWrite), h.UpdateImageCardDeck)
}

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

func (h *AdminHandler) GetImageCardDeck(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.GetImageCardDeck(c.Request.Context(), id)
	if errors.Is(err, admin.ErrImageCardDeckNotFound) {
		response.Fail(c, http.StatusNotFound, 40420, "image-card-deck not found")
		return
	}
	if err != nil {
		response.Fail(c, http.StatusInternalServerError, 50051, "get image-card-deck failed")
		return
	}
	response.OK(c, row)
}

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

func (h *AdminHandler) UpdateImageCardDeck(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.ImageCardDeckWriteBody
	if err := c.ShouldBindJSON(&body); err != nil {
		response.Fail(c, http.StatusBadRequest, 40054, "invalid body")
		return
	}
	row, err := h.Svc.UpdateImageCardDeck(c.Request.Context(), adminID, id, body)
	if errors.Is(err, admin.ErrImageCardDeckNotFound) {
		response.Fail(c, http.StatusNotFound, 40420, "image-card-deck not found")
		return
	}
	if errors.Is(err, admin.ErrInvalidImageCardDeck) {
		response.Fail(c, http.StatusBadRequest, 40055, "invalid image card deck")
		return
	}
	if errors.Is(err, admin.ErrImageCardDeckConflict) {
		response.Fail(c, http.StatusConflict, 40912, "image card deck code conflict")
		return
	}
	if err != nil {
		response.Fail(c, http.StatusInternalServerError, 50053, "update image card deck failed")
		return
	}
	response.OK(c, row)
}