package com.healthcare.ohctech.controller;

import com.healthcare.ohctech.dto.DepartmentDto;
import com.healthcare.ohctech.entity.Department;
import com.healthcare.ohctech.service.impl.AuthServiceImpl;
import com.healthcare.ohctech.service.impl.DepartmentServiceImpl;
import com.healthcare.ohctech.util.PaginationUtil;
import jakarta.validation.Valid;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.Map;

@RestController
@RequestMapping("/departments")
public class DepartmentController {

    @Autowired
    private DepartmentServiceImpl departmentServiceImpl;

    @Autowired
    private AuthServiceImpl authServiceImpl;

    @GetMapping("/{departmentId}")
    public ResponseEntity<?> getDepartmentById(@PathVariable Long departmentId) {
        Department department = departmentServiceImpl.getDepartmentById(departmentId);
        DepartmentDto departmentDto = new DepartmentDto(
                department.getId(),
                department.getBusinessUnit().getId(),
                department.getDepartmentName(),
                department.getDepartmentHeadName(),
                department.getDepartmentEmail(),
                department.getModifiedBy(),
                department.getLastModified()
        );
        return new ResponseEntity<>(departmentDto, HttpStatus.OK);
    }

    @GetMapping
    public ResponseEntity<?> getAllDepartments(@RequestParam(required = false) Integer page,
                                               @RequestParam(required = false) Integer size,
                                               @RequestParam(required = false) String sortBy,
                                               @RequestParam(required = false) String sortOrder) {
        Pageable pageable = PaginationUtil.getPageableWithDefaults(page, size, sortBy, sortOrder);
        Page<Department> departmentPage = departmentServiceImpl.getAllDepartments(pageable);
        Page<DepartmentDto> departmentDtoPage = departmentPage.map(department -> new DepartmentDto(
                department.getId(),
                department.getBusinessUnit().getId(),
                department.getDepartmentName(),
                department.getDepartmentHeadName(),
                department.getDepartmentEmail(),
                department.getModifiedBy(),
                department.getLastModified()
        ));
        Map<String, Object> response = PaginationUtil.getPageResponse(departmentDtoPage);
        return new ResponseEntity<>(response, HttpStatus.OK);
    }

    @PostMapping
    public ResponseEntity<?> addDepartment(@Valid  @RequestBody DepartmentDto departmentDto) {
        Long userId = authServiceImpl.getCurrentUserId();
        departmentServiceImpl.addDepartment(departmentDto,userId);
        return new ResponseEntity<>(HttpStatus.CREATED);
    }

    @PutMapping("/{departmentId}")
    public ResponseEntity<?> updateDepartment(@Valid @RequestBody DepartmentDto departmentDto) {
        Long userId = authServiceImpl.getCurrentUserId();
        departmentServiceImpl.updateDepartment(departmentDto,userId);
        return new ResponseEntity<>(HttpStatus.OK);
    }

    @DeleteMapping("/{departmentId}")
    public ResponseEntity<?> deleteDepartment(@PathVariable Long departmentId) {
        departmentServiceImpl.deleteDepartment(departmentId);
        return new ResponseEntity<>(HttpStatus.OK);
    }
}