package httpapi

import (
	"net/http"

	"spin/internal/models"

	"github.com/go-chi/chi/v5"
)

// 개인 캘린더 — 각자 본인 이벤트만 보고 관리(분류: 프로젝트/기타/개인 + 색).

func (s *Server) handleListEvents(w http.ResponseWriter, r *http.Request) {
	var out []models.CalendarEvent
	s.db.Where("lower(owner_email) = lower(?)", s.email(r)).Order("start asc").Find(&out)
	writeJSON(w, http.StatusOK, out)
}

func (s *Server) handleCreateEvent(w http.ResponseWriter, r *http.Request) {
	var e models.CalendarEvent
	if err := decodeJSON(r, &e); err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}
	e.ID = ""
	e.OwnerEmail = s.email(r)
	s.db.Create(&e)
	writeJSON(w, http.StatusCreated, e)
}

func (s *Server) handlePatchEvent(w http.ResponseWriter, r *http.Request) {
	var e models.CalendarEvent
	if err := s.db.First(&e, "id = ?", chi.URLParam(r, "eId")).Error; err != nil {
		writeError(w, http.StatusNotFound, "일정을 찾을 수 없습니다")
		return
	}
	if !s.owns(r, e.OwnerEmail) {
		writeError(w, http.StatusForbidden, "본인 일정만 수정할 수 있습니다")
		return
	}
	var patch map[string]interface{}
	if err := decodeJSON(r, &patch); err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}
	delete(patch, "id")
	delete(patch, "ownerEmail")
	s.db.Model(&e).Updates(snakeKeys(patch))
	s.db.First(&e, "id = ?", e.ID)
	writeJSON(w, http.StatusOK, e)
}

func (s *Server) handleDeleteEvent(w http.ResponseWriter, r *http.Request) {
	var e models.CalendarEvent
	if err := s.db.First(&e, "id = ?", chi.URLParam(r, "eId")).Error; err != nil {
		writeError(w, http.StatusNotFound, "일정을 찾을 수 없습니다")
		return
	}
	if !s.owns(r, e.OwnerEmail) {
		writeError(w, http.StatusForbidden, "본인 일정만 삭제할 수 있습니다")
		return
	}
	s.db.Delete(&models.CalendarEvent{}, "id = ?", e.ID)
	writeJSON(w, http.StatusOK, map[string]bool{"ok": true})
}