<?php
namespace App\Controllers;

use CodeIgniter\API\ResponseTrait;
use CodeIgniter\Controller;
use CodeIgniter\Database\RawSql;

class ValueSetDef extends Controller {
    use ResponseTrait;

    public function __construct() {
        $this->db = \Config\Database::connect();
        $this->rulesvaluesetdef = [
            'VSName' => 'required',
            'VSDesc' => 'required'
        ];
    }

    public function index() {
        $rows = $this->db->table('valuesetdef')
            ->select("*")
            ->get()->getResultArray();
        
        if (empty($rows)) {
            return $this->respond([
                'status'  => 'success',
                'message' => "no Data.",
                'data'    => [],
            ], 200);
        }

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

    public function show($VSetID = null) {
        $rows = $this->db->table('valuesetdef')
            ->select("*")
            ->where('VSetID', (int) $VSetID)
            ->get()->getResultArray();
        
        if (empty($rows)) {
            return $this->respond([
                'status'  => 'success',
                'message' => "data with ID $VSetID not found.",
                'data'    => [],
            ], 200);
        }

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

    public function create() {
        try {
            $input = $this->request->getJSON(true);
            $datavaluesetdef = $this->preparevaluesetdefData($input);

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

            $this->db->transStart();
            $this->db->table('valuesetdef')->insert($datavaluesetdef);
            $this->db->transComplete();

            if ($this->db->transStatus() === false) {
                $dbError = $this->db->error();
                return $this->failServerError(
                    'Failed to create data (transaction rolled back): ' . ($dbError['message'] ?? 'Unknown database error')
                );
            }

            return $this->respondCreated([
                'status'  => 'success',
                'message' => 'Data created successfully',
                'data'    => $datavaluesetdef,
            ], 201);

        } 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());
        }
    }

    public function update() {
        try {
            $input = $this->request->getJSON(true);
            $VSetID = $input["VSetID"];
            if (!$VSetID) {
                return $this->failValidationErrors('VSetID is required.');
            }
            $datavaluesetdef = $this->preparevaluesetdefData($input);

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

            $this->db->transStart();
            $this->db->table('valuesetdef')->where('VSetID', $VSetID)->update($datavaluesetdef);
            $this->db->transComplete();

            if ($this->db->transStatus() === false) {
                $dbError = $this->db->error();
                return $this->failServerError(
                    'Failed to update data (transaction rolled back): ' . ($dbError['message'] ?? 'Unknown database error')
                );
            }

            return $this->respondCreated([
                'status'  => 'success',
                'message' => 'Data updated successfully',
                'data'    => $datavaluesetdef,
            ], 201);

        } 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());
        }
    }

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

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

            $this->db->table('valuesetdef')->where('VSetID', $VSetID)->update(['EndDate' => $this->now]);

            return $this->respondDeleted([
                'status' => 'success',
                'message' => "data with {$VSetID} 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 preparevaluesetdefData(array $input): array {
        $data = [
            "VSName" => $input['VSName'] ?? null,
            "VSDesc" => $input['VSDesc'] ?? null
        ];

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

        return $data;
    }

}