<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use App\Services\ContactService;
use Illuminate\Support\Facades\DB;

class ContactController extends Controller
{
    protected $contactService;

    public function __construct(ContactService $contactService)
    {
        $this->contactService = $contactService;
    }

    /**
     * Get all active contact persons
     */
    public function getContacts(): JsonResponse
    {
        try {
            $contacts = $this->contactService->getActiveContacts();
            
            return response()->json([
                'success' => true,
                'data' => $contacts,
                'message' => 'Contact persons retrieved successfully'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => 'Failed to retrieve contact persons',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * Get contact settings for admin (including inactive)
     */
    public function getContactSettings(): JsonResponse
    {
        try {
            $settings = $this->contactService->getAllContactSettings();
            
            return response()->json([
                'success' => true,
                'data' => $settings,
                'message' => 'Contact settings retrieved successfully'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => 'Failed to retrieve contact settings',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * Update contact settings (Admin only)
     */
    public function updateContacts(Request $request): JsonResponse
    {
        $request->validate([
            'contacts' => 'required|array',
            'contacts.*.name' => 'required|string|max:100',
            'contacts.*.position' => 'nullable|string|max:100',
            'contacts.*.email' => 'nullable|email|max:255',
            'contacts.*.phone' => 'nullable|string|max:50',
            'contacts.*.department' => 'nullable|string|max:100',
            'contacts.*.is_active' => 'boolean',
            'contacts.*.sort_order' => 'integer|min:0'
        ]);

        try {
            DB::beginTransaction();
            
            $result = $this->contactService->updateContactSettings($request->contacts);
            
            DB::commit();
            
            return response()->json([
                'success' => true,
                'data' => $result,
                'message' => 'Contact settings updated successfully'
            ]);
        } catch (\Exception $e) {
            DB::rollBack();
            
            return response()->json([
                'success' => false,
                'message' => 'Failed to update contact settings',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * Add a new contact person (Admin only)
     */
    public function addContact(Request $request): JsonResponse
    {
        $request->validate([
            'name' => 'required|string|max:100',
            'position' => 'nullable|string|max:100',
            'email' => 'nullable|email|max:255',
            'phone' => 'nullable|string|max:50',
            'department' => 'nullable|string|max:100',
            'is_active' => 'boolean',
            'sort_order' => 'integer|min:0'
        ]);

        try {
            $result = $this->contactService->addContactPerson($request->all());
            
            return response()->json([
                'success' => true,
                'data' => $result,
                'message' => 'Contact person added successfully'
            ], 201);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => 'Failed to add contact person',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * Update a specific contact person (Admin only)
     */
    public function updateContact(Request $request, int $id): JsonResponse
    {
        $request->validate([
            'name' => 'required|string|max:100',
            'position' => 'nullable|string|max:100',
            'email' => 'nullable|email|max:255',
            'phone' => 'nullable|string|max:50',
            'department' => 'nullable|string|max:100',
            'is_active' => 'boolean',
            'sort_order' => 'integer|min:0'
        ]);

        try {
            $result = $this->contactService->updateContactPerson($id, $request->all());
            
            return response()->json([
                'success' => true,
                'data' => $result,
                'message' => 'Contact person updated successfully'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => 'Failed to update contact person',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * Delete a contact person (Admin only)
     */
    public function deleteContact(int $id): JsonResponse
    {
        try {
            $result = $this->contactService->deleteContactPerson($id);
            
            return response()->json([
                'success' => true,
                'data' => $result,
                'message' => 'Contact person deleted successfully'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => 'Failed to delete contact person',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * Toggle active status of a contact person (Admin only)
     */
    public function toggleContact(int $id): JsonResponse
    {
        try {
            $result = $this->contactService->toggleContactPerson($id);
            
            return response()->json([
                'success' => true,
                'data' => $result,
                'message' => 'Contact person status toggled successfully'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => 'Failed to toggle contact person status',
                'error' => $e->getMessage()
            ], 500);
        }
    }
}