<?php

namespace App\Http\Controllers;

use App\Models\GrMaster;
use App\Models\Plant;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Response;
use Illuminate\Support\Facades\Storage;
use Str;

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

    /**
     * Store a newly created resource in storage.
     */
    public function getPdf(Request $request)
    {
         // Validate input
        // $request->validate([
        //     'filename' => 'required|string',
        // ]);
        $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);
        }

        $filename  = $request->header('process-order');

        if (!$filename)
        {
            return response()->json(['error' => 'Missing file-name header'], 400);
        }

        $filename = basename($filename);

        // Ensure the file has .pdf extension
        if (!str_ends_with(strtolower($filename), '.pdf')) {
            $filename .= '.pdf';
        }

        $filePath = "uploads/ProcessOrder/" . $filename;

        if (!Storage::disk('local')->exists($filePath)) {
            return response()->json(['error' => 'File not found'], 404);
        }

        $file = Storage::disk('local')->get($filePath);
        $mimeType = Storage::disk('local')->mimeType($filePath);

        return Response::make($file, 200, [
            'Content-Type' => $mimeType,
            'Content-Disposition' => 'inline; filename="' . $filename . '"',
        ]);

    }

    public function getGRPdf(Request $request)
    {
         // Validate input
        // $request->validate([
        //     'filename' => 'required|string',
        // ]);
        $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);
        }

        $filename  = $request->header('gr-number');

        if (!$filename)
        {
            return response()->json(['error' => 'Missing file-name header'], 400);
        }

        $filename = basename($filename);

        // Ensure the file has .pdf extension
        if (!str_ends_with(strtolower($filename), '.pdf')) {
            $filename .= '.pdf';
        }

        $filePath = "uploads/GRNumber/" . $filename;

        if (!Storage::disk('local')->exists($filePath)) {
            return response()->json(['error' => 'File not found'], 404);
        }

        $file = Storage::disk('local')->get($filePath);
        $mimeType = Storage::disk('local')->mimeType($filePath);

        return Response::make($file, 200, [
            'Content-Type' => $mimeType,
            'Content-Disposition' => 'inline; filename="' . $filename . '"',
        ]);

    }

    public function getGRSerial(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);
        }

        $plantCode  = $request->header('plant-code');

        $grNumber = $request->header('gr-number');


        if (!$plantCode) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant Code value can't be empty"
            ], 404);
        }
        else if (!$grNumber)
        {
             return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'GR Number is cannot be empty!'
            ], 403);
        }

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

        if (!$plant) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant Code '{$plantCode}' not found!"
            ], 404);
        }

        $grExist = GRMaster::where('gr_number', $grNumber)->first();

        if (!$grExist) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'GR Number not found'
            ], 404);
        }

        $grExists = GRMaster::where('plant_id', $plantId)
             ->where('gr_number', $grNumber)
             ->first();

        if (!$grExists) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'GR Number not found for this plant!'
            ], 404);
        }


        $serialNumbers = GrMaster::where('plant_id', $plantId)
                            ->where('gr_number', $grNumber)
                            ->pluck('serial_number')
                            ->toArray();

        if (empty($serialNumbers)) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'No serial numbers found for the given GR number!'
            ], 404);
        }

        return response()->json([
            'status_code' => 'SUCCESS',
            'serial_numbers' => $serialNumbers
        ], 200);


    }


    /**
     * Display the specified resource.
     */
    public function show(string $id)
    {
        //
    }

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

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