package handler

import (
	"net/http"

	"github.com/go-chi/chi/v5"
	"github.com/prabhupadasays/spsays-bff/internal/repository"
	"github.com/prabhupadasays/spsays-bff/pkg/response"
)

type JournalHandler struct {
	repo *repository.JournalRepo
}

func NewJournalHandler(repo *repository.JournalRepo) *JournalHandler {
	return &JournalHandler{repo: repo}
}

func (h *JournalHandler) ListJournals(w http.ResponseWriter, r *http.Request) {
	docs, err := h.repo.GetAllMetas(r.Context())
	if err != nil {
		response.Error(w, http.StatusInternalServerError, "failed to fetch journals")
		return
	}
	response.JSON(w, http.StatusOK, docs)
}

func (h *JournalHandler) GetJournal(w http.ResponseWriter, r *http.Request) {
	book := chi.URLParam(r, "book")
	doc, err := h.repo.GetMeta(r.Context(), book)
	if err != nil {
		response.Error(w, http.StatusInternalServerError, "failed to fetch journal")
		return
	}
	if doc == nil {
		response.Error(w, http.StatusNotFound, "journal not found")
		return
	}
	response.JSON(w, http.StatusOK, doc)
}

func (h *JournalHandler) ListChapters(w http.ResponseWriter, r *http.Request) {
	book := chi.URLParam(r, "book")
	docs, err := h.repo.GetChapters(r.Context(), book)
	if err != nil {
		response.Error(w, http.StatusInternalServerError, "failed to fetch chapters")
		return
	}
	response.JSON(w, http.StatusOK, docs)
}

func (h *JournalHandler) GetChapter(w http.ResponseWriter, r *http.Request) {
	book := chi.URLParam(r, "book")
	slug := chi.URLParam(r, "slug")
	doc, err := h.repo.GetChapter(r.Context(), book, slug)
	if err != nil {
		response.Error(w, http.StatusInternalServerError, "failed to fetch chapter")
		return
	}
	if doc == nil {
		response.Error(w, http.StatusNotFound, "chapter not found")
		return
	}
	response.JSON(w, http.StatusOK, doc)
}