package roomescape.reservation.controller;

import java.time.LocalDate;

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;

import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.validation.Valid;
import jakarta.validation.constraints.NotNull;
import roomescape.reservation.dto.request.ReservationTimeRequest;
import roomescape.reservation.dto.response.ReservationTimeInfosResponse;
import roomescape.reservation.dto.response.ReservationTimeResponse;
import roomescape.reservation.dto.response.ReservationTimesResponse;
import roomescape.reservation.service.ReservationTimeService;
import roomescape.auth.web.support.Admin;
import roomescape.auth.web.support.LoginRequired;
import roomescape.common.dto.response.ErrorResponse;
import roomescape.common.dto.response.RoomEscapeApiResponse;

@RestController
@Tag(name = "4. 예약 시간 API", description = "예약 시간을 조회 / 추가 / 삭제할 때 사용합니다.")
public class ReservationTimeController {

	private final ReservationTimeService reservationTimeService;

	public ReservationTimeController(ReservationTimeService reservationTimeService) {
		this.reservationTimeService = reservationTimeService;
	}

	@Admin
	@GetMapping("/times")
	@ResponseStatus(HttpStatus.OK)
	@Operation(summary = "모든 시간 조회", tags = "관리자 로그인이 필요한 API")
	@ApiResponses({
		@ApiResponse(responseCode = "200", description = "성공", useReturnTypeSchema = true)
	})
	public RoomEscapeApiResponse<ReservationTimesResponse> getAllTimes() {
		return RoomEscapeApiResponse.success(reservationTimeService.findAllTimes());
	}

	@Admin
	@PostMapping("/times")
	@ResponseStatus(HttpStatus.CREATED)
	@Operation(summary = "시간 추가", tags = "관리자 로그인이 필요한 API")
	@ApiResponses({
		@ApiResponse(responseCode = "201", description = "성공", useReturnTypeSchema = true),
		@ApiResponse(responseCode = "409", description = "같은 시간을 추가할 수 없습니다.",
			content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
	})
	public RoomEscapeApiResponse<ReservationTimeResponse> saveTime(
		@Valid @RequestBody ReservationTimeRequest reservationTimeRequest,
		HttpServletResponse response
	) {
		ReservationTimeResponse reservationTimeResponse = reservationTimeService.addTime(reservationTimeRequest);
		response.setHeader(HttpHeaders.LOCATION, "/times/" + reservationTimeResponse.id());

		return RoomEscapeApiResponse.success(reservationTimeResponse);
	}

	@Admin
	@DeleteMapping("/times/{id}")
	@ResponseStatus(HttpStatus.NO_CONTENT)
	@Operation(summary = "시간 삭제", tags = "관리자 로그인이 필요한 API")
	@ApiResponses({
		@ApiResponse(responseCode = "204", description = "성공", useReturnTypeSchema = true),
		@ApiResponse(responseCode = "409", description = "예약된 시간은 삭제할 수 없습니다.",
			content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
	})
	public RoomEscapeApiResponse<Void> removeTime(
		@NotNull(message = "timeId는 null 또는 공백일 수 없습니다.") @PathVariable @Parameter(description = "삭제하고자 하는 시간의 ID값") Long id
	) {
		reservationTimeService.removeTimeById(id);

		return RoomEscapeApiResponse.success();
	}

	@LoginRequired
	@GetMapping("/times/filter")
	@ResponseStatus(HttpStatus.OK)
	@Operation(summary = "예약 가능 여부를 포함한 모든 시간 조회", tags = "로그인이 필요한 API")
	@ApiResponses({
		@ApiResponse(responseCode = "200", description = "성공", useReturnTypeSchema = true)
	})
	public RoomEscapeApiResponse<ReservationTimeInfosResponse> findAllAvailableReservationTimes(
		@NotNull(message = "날짜는 null일 수 없습니다.")
		@RequestParam
		@Parameter(description = "yyyy-MM-dd 형식으로 입력해주세요.", example = "2024-06-10")
		LocalDate date,
		@NotNull(message = "themeId는 null일 수 없습니다.")
		@RequestParam
		@Parameter(description = "조회할 테마의 ID를 입력해주세요.", example = "1")
		Long themeId
	) {
		return RoomEscapeApiResponse.success(reservationTimeService.findAllAvailableTimesByDateAndTheme(date, themeId));
	}
}