package com.saas.tenant.controller;

import com.saas.tenant.dto.request.CreateAppointmentRequest;
import com.saas.tenant.dto.request.UpdateAppointmentRequest;
import com.saas.tenant.dto.response.AppointmentResponse;
import com.saas.tenant.service.AppointmentService;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDateTime;
import java.util.List;

@RestController
@RequestMapping("/api/tenant/appointments")
@PreAuthorize("hasRole('TENANT_USER')")
@RequiredArgsConstructor
public class AppointmentController {

    private final AppointmentService appointmentService;

    @PostMapping
    public ResponseEntity<AppointmentResponse> createAppointment(@Valid @RequestBody CreateAppointmentRequest request) {
        return ResponseEntity.status(HttpStatus.CREATED).body(appointmentService.createAppointment(request));
    }

    @PutMapping("/{id}")
    public ResponseEntity<AppointmentResponse> updateAppointment(
            @PathVariable Long id,
            @Valid @RequestBody UpdateAppointmentRequest request) {
        return ResponseEntity.ok(appointmentService.updateAppointment(id, request));
    }

    @GetMapping("/{id}")
    public ResponseEntity<AppointmentResponse> getAppointmentById(@PathVariable Long id) {
        return ResponseEntity.ok(appointmentService.getAppointmentById(id));
    }

    @GetMapping
    public ResponseEntity<List<AppointmentResponse>> getAllAppointments() {
        return ResponseEntity.ok(appointmentService.getAllAppointments());
    }

    @GetMapping("/patient/{patientId}")
    public ResponseEntity<List<AppointmentResponse>> getAppointmentsByPatient(@PathVariable Long patientId) {
        return ResponseEntity.ok(appointmentService.getAppointmentsByPatient(patientId));
    }

    @GetMapping("/doctor/{doctorId}")
    public ResponseEntity<List<AppointmentResponse>> getAppointmentsByDoctor(@PathVariable Long doctorId) {
        return ResponseEntity.ok(appointmentService.getAppointmentsByDoctor(doctorId));
    }

    @GetMapping("/date-range")
    public ResponseEntity<List<AppointmentResponse>> getAppointmentsByDateRange(
            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime startDate,
            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime endDate) {
        return ResponseEntity.ok(appointmentService.getAppointmentsByDateRange(startDate, endDate));
    }

    @GetMapping("/doctor/{doctorId}/schedule")
    public ResponseEntity<List<AppointmentResponse>> getDoctorSchedule(
            @PathVariable Long doctorId,
            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime startDate,
            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime endDate) {
        return ResponseEntity.ok(appointmentService.getDoctorSchedule(doctorId, startDate, endDate));
    }

    @PutMapping("/{id}/cancel")
    public ResponseEntity<AppointmentResponse> cancelAppointment(
            @PathVariable Long id,
            @RequestParam(required = false) String reason) {
        return ResponseEntity.ok(appointmentService.cancelAppointment(id, reason));
    }

    @PutMapping("/{id}/confirm")
    public ResponseEntity<AppointmentResponse> confirmAppointment(@PathVariable Long id) {
        return ResponseEntity.ok(appointmentService.confirmAppointment(id));
    }

    @DeleteMapping("/{id}")
    public ResponseEntity<Void> deleteAppointment(@PathVariable Long id) {
        appointmentService.deleteAppointment(id);
        return ResponseEntity.noContent().build();
    }
}