<?php

namespace App\Http\Livewire\Pages\Patch;

use Livewire\Component;
use App\Models\ConfSmartUpdate;
use App\Models\TabPatchFile;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use Illuminate\Support\Facades\Cache;
class PatchEdit extends Component
{
    public $patchId;
    public $progressSave = 0 ,$isProcessing = false;
    public $searchProject = '';
    public $selectedBranch, $selectedPatch, $showModal;
    public $selectedProject;
    public $projects = [];
    public $branches = [];
    public $fileGitChanges = [];
    public $filePatchChanges = [];
    public $filePatch = [];
    public $fileChangesTemp = [];
    public $fileChanges = [];
    public $startCommit;
    public $endCommit;
    public $PATCHNAME;
    public $PDATE;
    public $PHP_VERSION;
    public $PLEVEL;
    public $PCODE;
    public $MAJOR_VERSION;
    public $PDESC;
    public $Remark;
    public $POWNER;
    public $PAPPROVEDATE;
    public $PTYPE;
    public $PATCHCODE;
    public $UNINSTALL;
    public $PATCHCODE_SERVER;
    public $filePathChanges = [];
    protected $listeners = ['gotoModal', 'reloadComponent', 'deletePatchFile'];
    public $modalLoaded = false;

    public function loadModal()
    {
        $this->modalLoaded = true;
    }
    public function mount($editPid)
    {
        $editPid = '15689';  // remove this when real 
        $this->patchId = $editPid;
        $this->loadPatchData();
    }

    public function getChangedFiles()
    {
        $this->fileChangesTemp = [];

        $client = new Client([
            'headers' => [
                'Authorization' => 'Bearer ' . env('GITLAB_API_TOKEN'),
                'Accept' => 'application/json',
            ],
            'verify' => false,
        ]);

        try {
            $response = $client->get(env('GITLAB_API_URL') . "/projects/{$this->selectedProject}/repository/compare", [
                'query' => [
                    'from' => $this->startCommit,
                    'to' => $this->endCommit,
                ],
            ]);

            $data = json_decode($response->getBody(), true);


            foreach ($data['diffs'] as $file) {


                $this->fileChangesTemp[] = $file['new_path'];
            }

            $this->fileGitChanges = $this->buildTreeEdit($data['diffs']);
        } catch (\Throwable $th) {
            $data = '';
        }
    }

    private function buildTreeEdit($files)
    {
        $tree = [];
        foreach ($files as $file) {
            $path = explode('/', $file['new_path']);
            $current = &$tree;
            foreach ($path as $part) {
                if (!isset($current[$part])) {
                    $current[$part] = [];
                }
                $current = &$current[$part];
            }
            // $current['id'] = $file['fid'];
        }
        return $tree;
    }

    public function reloadComponent($id)
    {
        $this->patchId = $id;
        $this->loadPatchData();
        $this->render();
    }
    public function loadPatchData()
    {
        $patch = ConfSmartUpdate::findOrFail($this->patchId);
        $this->PATCHNAME = $patch->PATCHNAME;
        $this->PDATE = $patch->PDATE;
        $this->PHP_VERSION = $patch->PHP_VERSION;
        $this->PLEVEL = $patch->PLEVEL;
        $this->PCODE = $patch->PCODE;
        $this->MAJOR_VERSION = $patch->MAJOR_VERSION;
        $this->PDESC = $patch->PDESC;
        $this->Remark = $patch->Remark;
        $this->POWNER = $patch->POWNER;
        $this->PAPPROVEDATE = $patch->PAPPROVEDATE;
        $this->PTYPE = $patch->PTYPE;
        $this->PATCHCODE = $patch->PATCHCODE;
        $this->UNINSTALL = $patch->UNINSTALL;
        $this->PATCHCODE_SERVER = $patch->PATCHCODE_SERVER;

        $filePath = TabPatchFile::where("ptid", $this->patchId)->get()->toArray();

        $this->filePatch =  $filePath;
        $this->filePatchChanges =  $this->buildTree($filePath);
    }

    public function save()
    {
        $this->isProcessing = true;
        // $this->validate([
        //     'PATCHNAME' => 'required|string|max:255',
        //     'PDATE' => 'required|date',
        //     'PHP_VERSION' => 'required|integer',
        //     'PLEVEL' => 'required|string|max:255',
        //     'PCODE' => 'required|string|max:255',
        //     'MAJOR_VERSION' => 'required|string|max:255',
        //     'PDESC' => 'required|string|max:255',
        //     'Remark' => 'required|string|max:255',
        //     'POWNER' => 'required|string|max:255',
        //     'PAPPROVEDATE' => 'required|date',
        //     'PTYPE' => 'required|string|max:255',
        //     'PATCHCODE' => 'required|string',
        //     'UNINSTALL' => 'required|string|max:255',
        //     'PATCHCODE_SERVER' => 'required|string',
        // ]);

        $confSmartUpdate = ConfSmartUpdate::findOrFail($this->patchId);
        $confSmartUpdate->PATCHNAME = $this->PATCHNAME;
        $confSmartUpdate->PDATE = $this->PDATE;
        $confSmartUpdate->PHP_VERSION_ID = $this->PHP_VERSION;
        $confSmartUpdate->PLEVEL = $this->PLEVEL;
        $confSmartUpdate->PCODE = $this->PCODE;
        $confSmartUpdate->MAJOR_VERSION = $this->MAJOR_VERSION;
        $confSmartUpdate->PDESC = $this->PDESC;
        $confSmartUpdate->Remark = $this->Remark;
        $confSmartUpdate->POWNER = $this->POWNER;
        $confSmartUpdate->PAPPROVEDATE = $this->PAPPROVEDATE;
        $confSmartUpdate->PTYPE = $this->PTYPE;
        $confSmartUpdate->PATCHCODE = $this->PATCHCODE;
        $confSmartUpdate->UNINSTALL = $this->UNINSTALL;
        $confSmartUpdate->PATCHCODE_SERVER = $this->PATCHCODE_SERVER;
        $confSmartUpdate->save();

        $totalFiles = count($this->fileChangesTemp);
        $successCount = 0;
        // $this->fileChangesTemp = 1000000;
        if (count($this->fileChangesTemp) > 0) {
           for ($i=0; $i <  $this->fileChangesTemp; $i++) { 
            $progress = (($i + 1) / $this->fileChangesTemp) * 100;
            $this->progressSave = $i;
            
            // Emit an event to update progress on the frontend
            // $this->emit('progressUpdated', $progress);

            // Use dispatch browser event to trigger frontend update
            // $this->dispatchBrowserEvent('progressUpdated', ['progress' => $progress]);
           }
            foreach ($this->fileChangesTemp as $index => $file) {
                $filedata = $this->getFileContentFromGit($file, $this->endCommit);
                $filePath = $this->formatFilePath($file);

                $filepath = new TabPatchFile;
                $filepath->ptid = $confSmartUpdate->PID;
                $filepath->file_name = $filePath;
                $filepath->file_data = base64_encode($filedata);
                if ($filepath->save()) {
                    $successCount++;
                }
                $progress = (($index + 1) / $totalFiles) * 100;
                $this->progressSave = $progress;
                
                // Emit an event to update progress on the frontend
                $this->emit('progressUpdated', $progress);

                // Use dispatch browser event to trigger frontend update
                $this->dispatchBrowserEvent('progressUpdated', ['progress' => $progress]);
            }
        }

        // session()->flash('message', 'Patch details and file changes updated successfully.');
        // $this->reset(['fileChangesTemp', 'fileGitChanges']);
        // $this->emit('reloadComponent', $this->patchId);
    }

 
    private function formatFilePath($file)
    {
        if (strpos($file, 'SPN/') !== false) {
            return str_replace("SPN/", "../SPN/", $file);
        } else if (strpos($file, 'spn/') !== false) {
            return str_replace("spn/", "../spn/", $file);
        } else {
            return str_replace("IE5DEV.shippingnet", ".", $file);
        }
    }
    private function getFileContentFromGit($filePath, $commit)
    {
        $token = env('GITLAB_API_TOKEN');

        $client = new Client([
            'base_uri' => 'https://idemo.netbay.co.th/gitlab/api/v4/',
            'headers' => [
                'Authorization' => "Bearer $token",
                'Accept' => 'application/json',
            ],
            'verify' => false,
        ]);

        try {
            $response = $client->get("projects/$this->selectedProject/repository/files/" . urlencode($filePath) . "/raw", [
                'query' => ['ref' => $commit]
            ]);
            $statusCode = $response->getStatusCode();
            $content = $response->getBody()->getContents();

            if ($statusCode == 200) {
                return $content;
            } else {
                throw new \Exception("Failed to fetch file. Status code: $statusCode");
            }
        } catch (RequestException $e) {
            throw $e;
        } catch (\Exception $e) {
            throw $e;
        }
    }

    private function buildTree($files)
    {
        $tree = [];
        foreach ($files as $file) {

            if (strpos($file['file_name'],  "../SPN/") !== false) {
                $filePath =  str_replace("../SPN/", "SPN/",  $file['file_name']);
            } else if (strpos($file['file_name'],  "../spn/") !== false) {
                $filePath =  str_replace("../spn/", "spn/",  $file['file_name']);
            } else {
                $filePath = "IE5DEV.shippingnet" . substr($file['file_name'], 1);
            }

            $pathParts = explode('/', $filePath);
            $current = &$tree;

            foreach ($pathParts as $part) {
                if (!isset($current[$part])) {
                    $current[$part] = [];
                }
                $current = &$current[$part];
            }

            $current['id'] = $file['fid'] ?? 0;
        }

        return $tree;
    }
    public function loadPage($page)
    {
        $this->emit('menuChanged', $page);
    }


    public function deletePatchFile($patchFileId)
    {
        $pathFile = TabPatchFile::where("fid", $patchFileId)->first();
        $patchId = $pathFile->ptid;

        $pathFile = TabPatchFile::where("fid", $patchFileId)->delete();
        $message = "Deleted File ID : " . json_encode($patchFileId) . " Successfully";

        // $this->message = $message;
        $this->emit('reloadComponent', $patchId);
    }


    public function render()
    {
        return view('livewire.pages.patch.patch-edit');
    }
}