<?php

namespace App\Http\Controllers;

use App\Models\Item;
use App\Models\Line;
use App\Models\Machine;
use App\Models\MotorTestingMaster;
use App\Models\Plant;
use App\Models\TestingPanelReading;
use App\Models\WorkGroupMaster;
use Illuminate\Http\Request;
use Str;

class TestingPanelController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request)
    {
        $expectedUser = env('API_AUTH_USER');
        $expectedPw = env('API_AUTH_PW');

        $header_auth = $request->header('Authorization');
        $expectedToken = $expectedUser.':'.$expectedPw;

        if ('Bearer '.$expectedToken != $header_auth) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid authorization token!',
            ], 403);
        }

        $data = $request->all();

        if ($data['plant_code'] == null || $data['plant_code'] == '') {
            // return response("ERROR: Please provide a valid plant code.", 400)
            //     ->header('Content-Type', 'text/plain');
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant code can't be empty!",
            ], 400);
        } elseif (Str::length($data['plant_code']) < 4 || ! is_numeric($data['plant_code']) || ! preg_match('/^[1-9]\d{3,}$/', $data['plant_code'])) {// !ctype_digit($data['plant_code'])
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid plant code found!',
            ], 400);
        }

        $plant = Plant::where('code', $data['plant_code'])->first();
        if (! $plant) {
            // return response("Plant not found.", 400)->header('Content-Type', 'text/plain');
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Plant not found!',
            ], 400);
        }

        $plantId = $plant->id;

        if ($data['line_name'] == null || $data['line_name'] == '') {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Group work center can't be empty!",
            ], 400);
        } elseif (Str::length($data['line_name']) < 0) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid group work center found!',
            ], 400);
        }

        $gWorkCenter = WorkGroupMaster::where('name', $data['line_name'])->first();
        if (! $gWorkCenter) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Group work center not found!',
            ], 400);
        }

        $gWorkCenter = WorkGroupMaster::where('name', $data['line_name'])->where('plant_id', $plantId)->first();
        if (! $gWorkCenter) {
            // return response(  "Line not found for the specified plant : {$data['plant_code']}",400)->header('Content-Type', 'text/plain');
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Group work center not found for the specified plant : '{$data['plant_code']}'!",
            ], 400);
        }

        $gWorkCenterId = $gWorkCenter->id;

        if ($data['machine_name'] == null || $data['machine_name'] == '') {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Work center can't be empty!",
            ], 400);
        } elseif (Str::length($data['machine_name']) < 0) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid work center found!',
            ], 400);
        }

        $machine = Machine::where('work_center', $data['machine_name'])->first();
        if (! $machine) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Work center not found!',
            ], 400);
        }

        $machine = Machine::where('work_center', $data['machine_name'])->where('plant_id', $plantId)->first();
        if (! $machine) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Work center not found for the specified plant : '{$data['plant_code']}'!",
            ], 400);
        }

        $machine = Machine::where('work_center', $data['machine_name'])->where('work_group_master_id', $gWorkCenterId)->first();
        if (! $machine) {
            // return response("Machine not found for the specified line : {$data['line_name']}", 400)->header('Content-Type', 'text/plain');
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Work center not found for the specified Group work center : '{$data['line_name']}'!",
            ], 400);

        }

        $machine = Machine::where('work_center', $data['machine_name'])->where('plant_id', $plantId)->where('work_group_master_id', $gWorkCenterId)->first();
        if (! $machine) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Work center not found for the specified Plant : '{$data['plant_code']}' and Group work center : '{$data['line_name']}'!",
            ], 400);
        }

        $lineId = $machine->line_id;
        $machineId = $machine->id;

        try {
            $insertedSerials = [];
            $missedItemCodes = [];
            $duplicateItemCodes = [];
            $existSnoCount = [];

            if (! empty($data['item_codes']) && is_array($data['item_codes'])) {
                foreach ($data['item_codes'] as $item) {
                    $code = $item['item_code'] ?? null;

                    // Check if item_code is present
                    if ($code == '' || $code == null) {
                        return response()->json([
                            'status_code' => 'ERROR',
                            'status_description' => "Item code can't be empty!",
                        ], 400);
                    }

                    // Collect duplicates
                    if (isset($itemCodeCounts[$code])) {
                        $itemCodeCounts[$code]++;
                        // Only add to duplicates array once
                        if ($itemCodeCounts[$code] == 2) {
                            $duplicateItemCodes[] = $code;
                        }
                    } else {
                        $itemCodeCounts[$code] = 1;
                    }

                    $motorTestingMaster = MotorTestingMaster::whereHas('item', function ($query) use ($item) {
                        $query->where('code', $item['item_code']);
                    })->where('plant_id', $plantId)->first();

                    if (! $motorTestingMaster) {
                        $missedItemCodes[] = $item['item_code'];
                    }

                    if (! empty($item['serial_numbers']) && is_array($item['serial_numbers'])) {
                        foreach ($item['serial_numbers'] as $serial) {
                            $existSnoCount[] = $serial['serial_number'];
                        }
                    }
                }

                // If any duplicates found, return error
                if (! empty($duplicateItemCodes)) {
                    return response()->json([
                        'status_code' => 'ERROR',
                        'status_description' => 'Duplicate item codes found in request: '.implode(', ', $duplicateItemCodes),
                    ], 400);
                }

                $uniqueInvalidCodes = array_unique($missedItemCodes);

                if (! empty($uniqueInvalidCodes)) {

                    //    return response("Item codes : ". implode(', ', $uniqueInvalidCodes)." not found in motor testing master for the specified plant {$plant->name}", 400)
                    //     ->header('Content-Type', 'text/plain');

                    return response()->json([
                        'status_code' => 'ERROR',
                        'status_description' => 'Item codes : '.implode(', ', $uniqueInvalidCodes)." not found in master for the specified plant : '{$plant->name}'!",
                    ], 400);
                }

                $insertedSnoCount = [];

                foreach ($data['item_codes'] as $item) {

                    $motorTestingMaster = MotorTestingMaster::whereHas('item', callback: function ($query) use ($item) {
                        $query->where('code', $item['item_code']);
                    })->where('plant_id', $plantId)->first();

                    $motorTestingMasterId = $motorTestingMaster->id;

                    if (! empty($item['serial_numbers']) && is_array($item['serial_numbers'])) {
                        foreach ($item['serial_numbers'] as $serial) {
                            // For update_count calculation
                            $updateCount = [
                                'plant_id' => $plantId,
                                'line_id' => $lineId,
                                'machine_id' => $machineId,
                                'motor_testing_master_id' => $motorTestingMasterId,
                                'serial_number' => $serial['serial_number'] ?? null,
                                'rework_count' => $serial['rework_count'] ?? 0,
                            ];

                            // // Find the current max update_count for this composite key //updated_at
                            // // $maxUpdateCount = \App\Models\TestingPanelReading::where($updateCount)->max('update_count');
                            // $maxUpdateCount = TestingPanelReading::where($updateCount)->orderByDesc('update_count')->select('update_count')->first();
                            //     // ->select(TestingPanelReading::raw('MAX(CAST(update_count AS INTEGER)) AS max_update_count'))->value('max_update_count');
                            //     // ->value('update_count')

                            // First, get the maximum length
                            $maxLength = TestingPanelReading::where($updateCount)->selectRaw('MAX(LENGTH(update_count)) as max_length')->value('max_length');

                            // Then, get all records with that length
                            $lastUpdateCount = TestingPanelReading::where($updateCount)->whereRaw('LENGTH(update_count) = ?', [$maxLength])->orderByDesc('update_count')->select('update_count')->first(); // ->get();

                            $newUpdateCount = ($lastUpdateCount == null || $lastUpdateCount == '') ? 0 : (int) $lastUpdateCount?->update_count + 1; // $maxUpdateCount?->update_count

                            $updateCountString = (string) $newUpdateCount;

                            $row = [
                                'plant_id' => $plantId,
                                'line_id' => $lineId,
                                'machine_id' => $machineId,
                                'motor_testing_master_id' => $motorTestingMasterId,
                                'serial_number' => $serial['serial_number'] ?? null,
                                'winded_serial_number' => $serial['winded_serial_number'] ?? null,
                                'output' => $serial['output'] ?? null,
                                'before_fr_volt' => $serial['before_fr_volt'] ?? null,
                                'before_fr_cur' => $serial['before_fr_cur'] ?? null,
                                'before_fr_pow' => $serial['before_fr_pow'] ?? null,
                                'before_fr_res_ry' => $serial['before_fr_res_ry'] ?? null,
                                'before_fr_res_yb' => $serial['before_fr_res_yb'] ?? null,
                                'before_fr_res_br' => $serial['before_fr_res_br'] ?? null,
                                'before_fr_ir' => $serial['before_fr_ir'] ?? null,
                                'before_fr_ir_r' => $serial['before_fr_ir_r'] ?? null,
                                'before_fr_ir_y' => $serial['before_fr_ir_y'] ?? null,
                                'before_fr_ir_b' => $serial['before_fr_ir_b'] ?? null,
                                'before_fr_freq' => $serial['before_fr_freq'] ?? null,
                                'before_fr_speed' => $serial['before_fr_speed'] ?? null,
                                'after_fr_vol' => $serial['after_fr_vol'] ?? null,
                                'after_fr_cur' => $serial['after_fr_cur'] ?? null,
                                'after_fr_pow' => $serial['after_fr_pow'] ?? null,
                                'after_fr_ir_hot' => $serial['after_fr_ir_hot'] ?? null,
                                'after_fr_ir_hot_r' => $serial['after_fr_ir_hot_r'] ?? null,
                                'after_fr_ir_hot_y' => $serial['after_fr_ir_hot_y'] ?? null,
                                'after_fr_ir_hot_b' => $serial['after_fr_ir_hot_b'] ?? null,
                                'after_fr_ir_cool' => $serial['after_fr_ir_cool'] ?? null,
                                'after_fr_ir_cool_r' => $serial['after_fr_ir_cool_r'] ?? null,
                                'after_fr_ir_cool_y' => $serial['after_fr_ir_cool_y'] ?? null,
                                'after_fr_ir_cool_b' => $serial['after_fr_ir_cool_b'] ?? null,
                                'after_fr_freq' => $serial['after_fr_freq'] ?? null,
                                'after_fr_speed' => $serial['after_fr_speed'] ?? null,
                                'after_fr_leak_cur' => $serial['after_fr_leak_cur'] ?? null,
                                'locked_rt_volt' => $serial['locked_rt_volt'] ?? null,
                                'locked_rt_cur' => $serial['locked_rt_cur'] ?? null,
                                'locked_rt_pow' => $serial['locked_rt_pow'] ?? null,
                                'no_load_pickup_volt' => $serial['no_load_pickup_volt'] ?? null,
                                'room_temperature' => $serial['room_temperature'] ?? null,
                                'hv_test' => $serial['hv_test'] ?? null,
                                'batch_number' => $serial['batch_number'] ?? null,
                                'batch_count' => $serial['batch_count'] ?? 0,
                                'result' => $serial['result'] ?? null,
                                'remark' => $serial['remark'] ?? null,
                                'rework_count' => $serial['rework_count'] ?? 0,
                                'output_flag' => $serial['output_flag'] ?? 0,
                                'tested_by' => $serial['tested_by'] ?? null,
                                'updated_by' => $serial['updated_by'] ?? null,
                                'created_at' => $serial['created_at'] ?? null,
                                'updated_at' => $serial['updated_at'] ?? $serial['created_at'],
                                'scanned_at' => $serial['scanned_at'] ?? null,
                                'update_count' => $updateCountString,
                            ];

                            // Insert the new record
                            TestingPanelReading::create($row);
                            $insertedSerials[] = $serial['serial_number'] ?? '[unknown]';
                            $insertedSnoCount[] = $serial['serial_number'];
                        }
                    }
                }
            }

            if (! empty($insertedSerials)) {
                if (count($existSnoCount) == count($insertedSnoCount)) {
                    // $messages[] = "Inserted serial numbers are: " . implode(', ', $insertedSerials);
                    return response()->json([
                        'status_code' => 'SUCCESS',
                        'status_description' => 'Inserted serial numbers are: '.implode(', ', $insertedSerials),
                    ], 200);
                } else {
                    $missingSno = array_diff($existSnoCount, $insertedSnoCount);

                    return response()->json([
                        'status_code' => 'ERROR',
                        'status_description' => 'Missed serial numbers are: '.implode(', ', $missingSno),
                    ], 400);
                }
            }
        } catch (\Exception $e) {
            // return response($e->getMessage(), 500)->header('Content-Type', 'text/plain');
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Store testing panel readings internal server error : '.$e?->getCode(),
            ], 500);
        }
    }

    /**
     * Display the specified resource.
     */
    public function get_motor_master(Request $request)
    {
        $expectedUser = env('API_AUTH_USER');
        $expectedPw = env('API_AUTH_PW');
        $header_auth = $request->header('Authorization');
        $expectedToken = $expectedUser.':'.$expectedPw;

        // $data = $request->all();
        if ('Bearer '.$expectedToken != $header_auth) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid authorization token!',
            ], 403);
        }

        $plantCode = $request->header('plant-code');
        $itemCode = $request->header('item-code');
        // $description = $item ? $item->description : '';

        if ($plantCode == null || $plantCode == '') {
            // return response("ERROR: Plant Name can't be empty", 400)
            //     ->header('Content-Type', 'text/plain');
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant code can't be empty!",
            ], 400);
        } elseif (Str::length($plantCode) < 4 || ! is_numeric($plantCode) || ! preg_match('/^[1-9]\d{3,}$/', $plantCode)) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid plant code found!',
            ], 400);
        } elseif ($itemCode == null || $itemCode == '' || ! $itemCode) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code can't be empty!",
            ], 404);
        } elseif (Str::length($itemCode) < 6) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code '{$itemCode}' should contain minimum 6 digits!",
            ], 404);
        } elseif (! ctype_alnum($itemCode)) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code '{$itemCode}' should contain only alpha-numeric values!",
            ], 404);
        } elseif (! preg_match('/^[a-zA-Z1-9][a-zA-Z0-9]{5,}$/', $itemCode)) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code '{$itemCode}' should not begin with '0'!",
            ], 404);
        }

        $plant = Plant::where('code', $plantCode)->first();

        if (! $plant) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Plant not found!',
            ], 400);
        }

        $plantId = $plant->id;

        $item = Item::where('code', $itemCode)->first();

        if (! $item) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Item code not found in item table!',
            ], 404);
        }

        $item = Item::where('plant_id', $plantId)->where('code', $itemCode)->first();

        if (! $item) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code not found in item table for the plant : '$plant->name'!",
            ], 404);
        }

        $itemId = $item->id;

        $description = $item ? $item->description : '';

        $category = $item ? $item->category : '';

        $motorTestingMaster = MotorTestingMaster::where('item_id', $itemId)->first();

        if (! $motorTestingMaster) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Item code not found in motor testing master table!',
            ], 404);
        }

        $motorTestingMaster = MotorTestingMaster::where('plant_id', $plantId)->where('item_id', $itemId)->first();

        if (! $motorTestingMaster) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code not found in motor testing master table for the plant : '$plant->name'!",
            ], 404);
        }

        $output = [
            'mot_subassembly_code' => $motorTestingMaster->subassembly_code ?? '',
            'mot_model_name' => ($itemCode == '123456') ? 'SAMPLE TYPE' : $description,
            'mot_non_isi_model' => $motorTestingMaster->isi_model ? '0' : '1',
            'mot_phase' => $motorTestingMaster->phase ?? '',
            'mot_hp' => $motorTestingMaster->hp ?? '',
            'mot_kw' => $motorTestingMaster->kw ?? '',
            'mot_volt' => $motorTestingMaster->volt ?? '',
            'mot_cur' => $motorTestingMaster->current ?? '',
            'mot_rpm' => $motorTestingMaster->rpm ?? '',
            'mot_rate_torque_kg' => $motorTestingMaster->torque ?? '',
            'mot_freq' => $motorTestingMaster->frequency ?? '',
            'mot_conn' => $motorTestingMaster->connection ?? '',
            'mot_ins_res_limit' => $motorTestingMaster->ins_res_limit ?? '',
            'mot_ins_res_type' => $motorTestingMaster->ins_res_type ?? '',
            'mot_category' => $category,
            'mot_routine_test_time' => $motorTestingMaster->routine_test_time ?? '',
            'mot_res_ry_ll' => $motorTestingMaster->res_ry_ll ?? '',
            'mot_res_ry_ul' => $motorTestingMaster->res_ry_ul ?? '',
            'mot_res_yb_ll' => $motorTestingMaster->res_yb_ll ?? '',
            'mot_res_yb_ul' => $motorTestingMaster->res_yb_ul ?? '',
            'mot_res_br_ll' => $motorTestingMaster->res_br_ll ?? '',
            'mot_res_br_ul' => $motorTestingMaster->res_br_ul ?? '',
            'mot_lock_volt_limit' => $motorTestingMaster->lock_volt_limit ?? '',
            'mot_leak_cur_limit' => $motorTestingMaster->leak_cur_limit ?? '',
            'mot_lock_cur_ll' => $motorTestingMaster->lock_cur_ll ?? '',
            'mot_lock_cur_ul' => $motorTestingMaster->lock_cur_ul ?? '',
            'mot_noload_cur_ll' => $motorTestingMaster->noload_cur_ll ?? '',
            'mot_noload_cur_ul' => $motorTestingMaster->noload_cur_ul ?? '',
            'mot_noload_pow_ll' => $motorTestingMaster->noload_pow_ll ?? '',
            'mot_noload_pow_ul' => $motorTestingMaster->noload_pow_ul ?? '',
            'mot_noload_spd_ll' => $motorTestingMaster->noload_spd_ll ?? '',
            'mot_noload_spd_ul' => $motorTestingMaster->noload_spd_ul ?? '',
        ];

        return response()->json($output, 200);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, string $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id)
    {
        //
    }
}