<?php
namespace App\Controllers\Test;

use App\Traits\ResponseTrait;
use App\Controllers\BaseController;
use App\Libraries\ValueSet;
use App\Models\Test\TestMapModel;
use App\Models\Test\TestMapDetailModel;

class TestMapController extends BaseController {
    use ResponseTrait;

    protected $db;
    protected $rules;
    protected $patchRules;
    protected $model;
    protected $modelDetail;

    public function __construct() {
        $this->db = \Config\Database::connect();
        $this->model = new TestMapModel;
        $this->modelDetail = new TestMapDetailModel;
        $this->rules = [
            'HostID' => 'required|integer',
            'ClientID' => 'required|integer',
        ];
        $this->patchRules = [
            'HostID' => 'permit_empty|integer',
            'ClientID' => 'permit_empty|integer',
        ];
    }

    public function index() {
        $rows = $this->model->getUniqueGroupings();
        if (empty($rows)) { return $this->respond([ 'status'  => 'success', 'message' => "no Data.", 'data' => [] ], 200); }

        $rows = ValueSet::transformLabels($rows, [
            'HostType' => 'entity_type',
            'ClientType' => 'entity_type',
        ]);

        $rows = array_map([$this, 'sanitizeTopLevelPayload'], $rows);

        return $this->respond([ 'status' => 'success', 'message'=> "Data fetched successfully", 'data' => $rows ], 200);
    }

    public function show($id = null) {
        $row = $this->model->where('TestMapID',$id)->where('EndDate', null)->first();
        if (empty($row)) { return $this->respond([ 'status'  => 'success', 'message' => "no Data.", 'data' => null ], 200); }

        $row = ValueSet::transformLabels([$row], [
            'HostType' => 'entity_type',
            'ClientType' => 'entity_type',
        ])[0];

        $row = $this->sanitizeTopLevelPayload($row);

        // Include testmapdetail records
        $row['details'] = $this->modelDetail->getDetailsByTestMap($id);

        return $this->respond([ 'status' => 'success', 'message'=> "Data fetched successfully", 'data' => $row ], 200);
    }

    public function create() {
        $input = $this->request->getJSON(true);
        if (!$this->validateData($input, $this->rules)) { return $this->failValidationErrors($this->validator->getErrors()); }
        try {
            $id = $this->model->insert($input);
            return $this->respondCreated([ 'status'  => 'success', 'message' => "data created successfully", 'data' => $id ]);
        } catch (\Exception $e) {
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    public function update($TestMapID = null) {
        $input = $this->request->getJSON(true);
        if (!$TestMapID || !ctype_digit((string) $TestMapID)) { return $this->failValidationErrors('TestMapID is required.'); }
        if (empty($input) || !is_array($input)) {
            return $this->failValidationErrors('No data provided for update.');
        }
        $id = (int) $TestMapID;
        if (isset($input['TestMapID']) && (string) $input['TestMapID'] !== (string) $id) {
            return $this->failValidationErrors('TestMapID in URL does not match body.');
        }

        $validationInput = array_intersect_key($input, $this->patchRules);
        if (!empty($validationInput) && !$this->validateData($validationInput, $this->patchRules)) {
            return $this->failValidationErrors($this->validator->getErrors());
        }

        $input['TestMapID'] = $id;
        try {
            $this->model->update($id,$input);
            return $this->respondCreated([ 'status'  => 'success', 'message' => "data updated successfully", 'data' => $id ]);
        } catch (\Exception $e) {
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    public function delete() {
        $input = $this->request->getJSON(true);
        $id = $input["TestMapID"] ?? null;
        if (!$id) { return $this->failValidationErrors('TestMapID is required.'); }
        
        try {
                $row = $this->model->where('TestMapID', $id)->where('EndDate', null)->first();
            if (empty($row)) { return $this->respond([ 'status'  => 'failed', 'message' => "Data not found or already deleted.", 'data' => null ], 404); }
            
            $this->db->transStart();
            
            // Soft delete the testmap
            $this->model->update($id, ['EndDate' => date('Y-m-d H:i:s')]);
            
            // Soft delete all related details
            $this->modelDetail->where('TestMapID', $id)
                ->where('EndDate', null)
                ->set('EndDate', date('Y-m-d H:i:s'))
                ->update();
            
            $this->db->transComplete();
            
            return $this->respond([ 'status'  => 'success', 'message' => "data deleted successfully", 'data' => $id ], 200);
        } catch (\Exception $e) {
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    public function showByTestCode($testCode = null) {
        if (!$testCode) { return $this->failValidationErrors('TestCode is required.'); }
        
        $rows = $this->model->getMappingsByTestCode($testCode);
        if (empty($rows)) { return $this->respond([ 'status'  => 'success', 'message' => "no Data.", 'data' => [] ], 200); }

        $rows = ValueSet::transformLabels($rows, [
            'HostType' => 'entity_type',
            'ClientType' => 'entity_type',
        ]);

        $rows = array_map([$this, 'sanitizeTopLevelPayload'], $rows);

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

    private function sanitizeTopLevelPayload(array $row): array
    {
        unset($row['TestCode'], $row['testcode']);
        return $row;
    }

    public function batchCreate() {
        $items = $this->request->getJSON(true);
        if (!is_array($items)) { return $this->failValidationErrors('Expected array of items'); }
        
        $results = ['success' => [], 'failed' => []];
        $this->db->transStart();
        
        foreach ($items as $index => $item) {
            if (!$this->validateData($item, $this->rules)) {
                $results['failed'][] = ['index' => $index, 'errors' => $this->validator->getErrors()];
                continue;
            }
            try {
                $id = $this->model->insert($item);
                $results['success'][] = ['index' => $index, 'TestMapID' => $id];
            } catch (\Exception $e) {
                $results['failed'][] = ['index' => $index, 'error' => $e->getMessage()];
            }
        }
        
        $this->db->transComplete();
        return $this->respond([
            'status' => empty($results['failed']) ? 'success' : 'partial',
            'message' => 'Batch create completed',
            'data' => $results
        ], 200);
    }

    public function batchUpdate() {
        $items = $this->request->getJSON(true);
        if (!is_array($items)) { return $this->failValidationErrors('Expected array of items'); }
        
        $results = ['success' => [], 'failed' => []];
        $this->db->transStart();
        
        foreach ($items as $index => $item) {
            $id = $item['TestMapID'] ?? null;
            if (!$id) {
                $results['failed'][] = ['index' => $index, 'error' => 'TestMapID required'];
                continue;
            }
            if (!$this->validateData($item, $this->rules)) {
                $results['failed'][] = ['index' => $index, 'errors' => $this->validator->getErrors()];
                continue;
            }
            try {
                $this->model->update($id, $item);
                $results['success'][] = ['index' => $index, 'TestMapID' => $id];
            } catch (\Exception $e) {
                $results['failed'][] = ['index' => $index, 'error' => $e->getMessage()];
            }
        }
        
        $this->db->transComplete();
        return $this->respond([
            'status' => empty($results['failed']) ? 'success' : 'partial',
            'message' => 'Batch update completed',
            'data' => $results
        ], 200);
    }

    public function batchDelete() {
        $ids = $this->request->getJSON(true);
        if (!is_array($ids)) { return $this->failValidationErrors('Expected array of TestMapIDs'); }
        
        $results = ['success' => [], 'failed' => []];
        $this->db->transStart();
        
        foreach ($ids as $id) {
            try {
            $row = $this->model->where('TestMapID', $id)->where('EndDate', null)->first();
                if (empty($row)) {
                    $results['failed'][] = ['TestMapID' => $id, 'error' => 'Not found or already deleted'];
                    continue;
                }
                $this->model->update($id, ['EndDate' => date('Y-m-d H:i:s')]);
                $results['success'][] = $id;
            } catch (\Exception $e) {
                $results['failed'][] = ['TestMapID' => $id, 'error' => $e->getMessage()];
            }
        }
        
        $this->db->transComplete();
        return $this->respond([
            'status' => empty($results['failed']) ? 'success' : 'partial',
            'message' => 'Batch delete completed',
            'data' => $results
        ], 200);
    }

}