package server

import (
	"net/http"

	"music-server/internal/backend"

	"github.com/labstack/echo/v5"
)

type CharacterHandler struct {
	characters *backend.CharacterService
}

func NewCharacterHandler(characters *backend.CharacterService) *CharacterHandler {
	return &CharacterHandler{characters: characters}
}

// GetCharacterList godoc
// @Summary Get list of characters
// @Description Returns a list of all available characters
// @Tags characters
// @Produce json
// @Success 200 {array} string
// @Router /characters [get]
func (c *CharacterHandler) GetCharacterList(ctx *echo.Context) error {
	characters, err := c.characters.List()
	if err != nil {
		return songError(err)
	}
	return ctx.JSON(http.StatusOK, characters)
}

// GetCharacter godoc
// @Summary Get character image
// @Description Returns the image for a specific character
// @Tags characters
// @Produce image/png
// @Produce image/jpeg
// @Param name query string true "Character file name"
// @Success 200 {file} file
// @Failure 400 {string} string "invalid name"
// @Failure 404 {string} string "not found"
// @Router /character [get]
func (c *CharacterHandler) GetCharacter(ctx *echo.Context) error {
	f, err := c.characters.Open(ctx.QueryParam("name"))
	if err != nil {
		return songError(err)
	}
	return serveFile(ctx, f, "")
}