package com.caspos.controller;

import com.caspos.dto.CreateReservationRequest;
import com.caspos.dto.ReservationDto;
import com.caspos.service.ReservationService;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDate;
import java.util.List;
import java.util.Map;
import java.util.UUID;

@RestController
@RequestMapping("/api/v1/reservations")
@CrossOrigin(origins = {"http://localhost:5173", "http://localhost:3000"})
public class ReservationController {

    private final ReservationService reservationService;

    public ReservationController(ReservationService reservationService) {
        this.reservationService = reservationService;
    }

    /**
     * GET /api/v1/reservations?date=YYYY-MM-DD
     */
    @GetMapping
    public ResponseEntity<List<ReservationDto>> getByDate(
        @RequestParam(required = false)
        @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate date
    ) {
        LocalDate target = date != null ? date : LocalDate.now();
        return ResponseEntity.ok(reservationService.getByDate(target));
    }

    /**
     * POST /api/v1/reservations
     */
    @PostMapping
    public ResponseEntity<ReservationDto> create(@RequestBody CreateReservationRequest request) {
        return ResponseEntity.status(HttpStatus.CREATED).body(reservationService.create(request));
    }

    /**
     * PATCH /api/v1/reservations/{id}/status
     * Body: { "status": "CONFIRMED" }
     */
    @PatchMapping("/{id}/status")
    public ResponseEntity<ReservationDto> updateStatus(
        @PathVariable UUID id,
        @RequestBody Map<String, String> body
    ) {
        String status = body.get("status");
        if (status == null || status.isBlank()) {
            return ResponseEntity.badRequest().build();
        }
        return ResponseEntity.ok(reservationService.updateStatus(id, status));
    }
}