package handlers

import (
	"net/http"
	"zardzul/music-index/repository"

	"github.com/gin-gonic/gin"
	"github.com/jackc/pgx/v5/pgtype"
)

type ArtistHandler struct {
	repo repository.ArtistRepository
}

func NewArtistHandler(repo repository.ArtistRepository) *ArtistHandler {
	return &ArtistHandler{repo: repo}
}

// GetAll godoc
// @Summary List all artists
// @Tags artist
// @Produce json
// @Success 200 {array} map[string]interface{}
// @Failure 500 {object} ErrorResponse
// @Router /artists [get]
func (handler *ArtistHandler) GetAll(c *gin.Context) {
	artists, err := handler.repo.GetAll(c.Request.Context())
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, artists)
}

// GetByID godoc
// @Summary List artist by ID
// @Tags artist
// @produce json
// @Param id path string true "Artist ID (UUID)"
// @Success 200 {array} map[string]interface{}
// @Failure 500 {object} ErrorResponse
// @Router /artists/:id [get]
func (handler *ArtistHandler) GetByID(c *gin.Context) {
	idParam := c.Param("id")
	var pgID pgtype.UUID
	if err := pgID.Scan(idParam); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid artist id"})
		return
	}

	artist, err := handler.repo.GetByID(c.Request.Context(), pgID)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, artist)
}