<?php
namespace App\Controllers;

use CodeIgniter\API\ResponseTrait;
use CodeIgniter\Controller;

use App\Models\ContactModel;

class Contact extends Controller {
    use ResponseTrait;

    protected $contactModel;
    protected $contactRule;

    public function __construct() {
        $this->contactModel = new ContactModel();
        $this->contactRule = [ 'NameFirst' => 'required' ];
    }

    public function index() {
        $model = new ContactModel();
        $rows = $model->getContactsWithDetail();
        
        if (empty($rows)) {
            return $this->respond([
                'status'  => 'success',
                'message' => "no Data.",
                'data'    => $rows,
            ], 200);
        }

        return $this->respond([
            'status' => 'success',
            'message'=> "fetch success",
            'data'   => $rows,
        ], 200);
    }

    public function show($ContactID = null) {
        $model = new ContactModel();
        $rows = $model->getContactWithDetail($ContactID);

        if (empty($rows)) {
            return $this->respond([
                'status'  => 'success',
                'message' => "Data not found.",
                'data'    => [],
            ], 200);
        }

        return $this->respond([
            'status' => 'success', 
            'message'=> "Data fetched successfully",
            'data'   => $rows,
        ], 200);
    }

    public function create() {
        $input = $this->request->getJSON(true);
        $dataContact = $this->prepareContactData($input);
        $dataContactDetail = $this->prepareContactDetailData($input);

        if (!$this->validateData($dataContact, $this->contactRule)) {
            return $this->failValidationErrors($this->validator->getErrors());
        }

        try{
            $result = $this->contactModel->create($dataContact, $dataContactDetail);
                if ($result) {
                    return $this->respondCreated([
                    'status'  => 'success',
                    'message' => 'Contact created successfully',
                    'data'    => $dataContact,
                ]);
            } else {
                return $this->failServerError('Failed to create contact');
            }
        } catch (\Throwable $e) {
            return $this->failServerError('Error: ' . $e->getMessage());
        }
    }

    public function update() {        
        $input = $this->request->getJSON(true);
        $ContactID = $input['ContactID'];
        $dataContact = $this->prepareContactData($input);
        $dataContactDetail = $this->prepareContactDetailData($input);

        if (!$this->validateData($dataContact, $this->contactRule)) {
            return $this->failValidationErrors( $this->validator->getErrors());
        }

        try{
            $result = $this->contactModel->update($ContactID, $dataContact, $dataContactDetail);
                if ($result) {
                    return $this->respondCreated([
                    'status'  => 'success',
                    'message' => 'Contact updated successfully',
                    'data'    => $dataContact,
                ]);
            } else {
                return $this->failServerError('Failed to create contact');
            }
        } catch (\Throwable $e) {
            return $this->failServerError('Error: ' . $e->getMessage());
        }
            
    }

    public function delete() {
        try {
            $input = $this->request->getJSON(true);
            $ContactID = $input["ContactID"];
            if (!$ContactID) {
                return $this->failValidationError('ContactID is required.');
            }

            $contact = $this->db->table('contact')->where('ContactID', $ContactID)->get()->getRow();
            if (!$contact) {
                return $this->failNotFound("data with {$ContactID} not found.");
            }

            $this->db->table('contact')->where('ContactID', $ContactID)->update(['EndDate' => NOW()]);

            return $this->respondDeleted([
                'status' => 'success',
                'message' => "Contact with {$ContactID} deleted successfully."
            ]);
 
        } catch (\Throwable $e) {
            // Ensure rollback if something goes wrong
            if ($this->db->transStatus() !== false) {
                $this->db->transRollback();
            }
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    private function prepareContactData(array $input): array {
        $data = [
            "NameFirst" => $input['NameFirst'] ?? null,
            "NameLast" => $input['NameLast'] ?? null,
            "Title" => $input['Title'] ?? null,
            "Initial" => $input['Initial'] ?? null,
            "Birthdate" => $input['Birthdate'] ?? null,
            "EmailAddress1" => $input['EmailAddress1'] ?? null,
            "EmailAddress2" => $input['EmailAddress2'] ?? null,
            "Phone" => $input["Phone"] ?? null,
            "MobilePhone1" => $input["MobilePhone1"] ?? null,
            "MobilePhone2" => $input["MobilePhone2"] ?? null,
            "Specialty" => $input["Specialty"] ?? null,
            "SubSpecialty" => $input["SubSpecialty"] ?? null,
        ];

        if(!empty($input["ContactID"])) { $data["ContactID"] = $input["ContactID"]; }

        return $data;
    }

    private function prepareContactDetailData(array $input): array {
        foreach($input['ContactDetail'] as $detail) {
            $data[] = [
                "SiteID" => $detail['SiteID'] ?? null,
                "ContactCode" => $detail['ContactCode'] ?? null,
                "ContactEmail" => $detail['ContactEmail'] ?? null,
                "OccupationID" => $detail['OccupationID'] ?? null,
                "JobTitle" => $detail['JobTitle'] ?? null,
                "Department" => $detail['Department'] ?? null,
                "ContactStartDate" => $detail['ContactStartDate'] ?? null,
                "ContactEndDate" => $detail['ContactEndDate'] ?? null,
            ];
        }
        return $data;
    }
}