package rest

import (
	"net/http"

	"github.com/goccy/go-json"
	"github.com/marcopeocchi/yt-dlp-web-ui/server/internal"
)

type Handler struct {
	service *Service
}

func (h *Handler) Exec() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		defer r.Body.Close()

		w.Header().Set("Content-Type", "application/json")

		req := internal.DownloadRequest{}

		if err := json.NewDecoder(r.Body).DecodeContext(r.Context(), &req); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}

		id, err := h.service.Exec(req)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}

		err = json.NewEncoder(w).EncodeContext(r.Context(), id)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}
	}
}

func (h *Handler) Running() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		defer r.Body.Close()

		w.Header().Set("Content-Type", "application/json")

		res, err := h.service.Running(r.Context())
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}

		err = json.NewEncoder(w).EncodeContext(r.Context(), res)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}
	}
}

func (h *Handler) SetCookies() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		defer r.Body.Close()

		w.Header().Set("Content-Type", "application/json")

		req := new(internal.SetCookiesRequest)

		err := json.NewDecoder(r.Body).DecodeContext(r.Context(), req)
		if err != nil {
			http.Error(w, err.Error(), http.StatusBadRequest)
			return
		}

		err = h.service.SetCookies(r.Context(), req.Cookies)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}

		err = json.NewEncoder(w).EncodeContext(r.Context(), "ok")
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}
	}
}