<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Location;
use Ramsey\Uuid\Uuid;
use Illuminate\Support\Facades\Auth;
use League\Csv\Reader;
use App\Models\Source;

class LocationController extends Controller
{
    //url to oli's unified tier 3 list
    private $three = 'https://codeberg.org/oliphant/blocklists/raw/branch/main/blocklists/_unified_tier3_blocklist.csv';

    //url to oli's domain audit containin block counts per domain
    private $defed = 'https://codeberg.org/oliphant/blocklists/raw/branch/main/blocklists/other/domain_audit_file.csv';

    public function addLocation(Request $request)
    {
        $fields = $request->validate([
            'name'        => ['required'],
            'url'         => ['required'],
            'description' => ['required'],
            'tags'        => ['required'],
        ]);

        if ($fields) {
            $examples = [];
            $files    = $request->files->get("loc_examples");
            if ($request->hasfile('loc_examples')) {
                foreach ($request->file('loc_examples') as $file) {
                    $path = $file->store('reference');
                    array_push($examples, ["path" => $path]);
                }
            }
            $request->merge(['active' => true]);
            $request->merge(['uuid' => Uuid::uuid4()]);
            $request->merge(['images' => json_encode($examples)]);
            $request->merge(['added_by' => Auth::user()->id]);
            //NOTE: Laravel gets funky if sequencing isn't explicitly set
            $new = Location::create($request->all());
            if ($new) {
                return back()->with('message', 'New Location Added. Take a break!');
            } else {
                return back()->withErrors([
                    'error' => 'Uh oh. There was an issue.',
                ]);
            }
        } else {
            return back()->withErrors([
                'error' => 'All fields are required.',
            ]);
        }
    }

    public function updateLocations()
    {
        //$fresh = file($this->three);
        //$deny  = Reader::createFromPath($fresh, "r");
        //$deny->setHeaderOffset(0);
        //$list        = $deny->getRecords();
        //$recordCount = count($fresh);
        $duplicates = 0;
        $fresh      = 0;
        // ['url' => "rage.love"],
        //['url' => "indiepocalypse.social"],

        $unified = [];
        //$denycount  = array_map('str_getcsv', file($this->defed));
        //$denylist   = array_map('str_getcsv', file($this->three));
        $sources = Source::where("active", true)->get();
        foreach ($sources as $source) {
            //parsing for mastodon
            if ($source->type == 'mastodon') {
                $result = [];
                if ($source->token == null) {
                    $result = \Mastodon::domain('https://' . $source->url)
                        ->get('/instance/domain_blocks');
                } else {
                    $result = \Mastodon::domain('https://' . $source->url)
                        ->token($source->token)
                        ->get('/instance/domain_blocks');
                }

                foreach ($result as $item) {
                    $index = array_search($item['domain'], array_column($unified, 'url'));
                    if ($index) {
                        //if there is a match, update the count
                        ++$unified[$index]['count'];
                    } else {
                        array_push($unified, [
                            'name'    => $item['domain'],
                            'url'     => $item['domain'],
                            'rating'  => $item['severity'],
                            'comment' => $item['comment'],
                            'count'   => 1,
                        ]);
                    }
                }
            }
            //parsing for custom csv
            if ($source->type == 'custom' && $source->format == 'csv') {
                $denylist = array_map('str_getcsv', file($source->url));
                foreach ($denylist as $item) {
                    $index = array_search($item[0], array_column($unified, 'url'));
                    if ($index) {
                        //if there is a match, update the count
                        ++$unified[$index]['count'];
                    } else {
                        array_push($unified, [
                            'name'    => $item[0],
                            'url'     => $item[0],
                            'rating'  => $item[1],
                            'comment' => $item[2],
                            'count'   => 1,
                        ]);
                    }
                }
            }
        }

        //once the unified list is created, update current entries or create fresh ones

        foreach ($unified as $item) {
            $location = Location::where("url", $item['url'])->first();
            if ($location) {
                ++$duplicates;
                //update block count for existing item

                $location->block_count = $item['count'];

                //replace null with empty array
                if ($location->images == null) {
                    $location->images = [];
                };
                $location->save();
            } else {
                // make new entries for instances not present
                ++$fresh;
                $images = [];

                $new = Location::create([
                    'uuid'        => Uuid::uuid4(),
                    'name'        => $item['url'],
                    'url'         => $item['url'],
                    'description' => ($item['comment'] != null) ? $item['comment'] : "No description provided.",
                    'active'      => true,
                    'rating'      => $item['rating'],
                    'added_by'    => 1,
                    'tags'        => 'poor moderation, hate speech',
                    'images'      => json_encode($images),
                    'block_count' => $item['count'],
                ]);
            }
        }

        //$lookfor = '0sint.social';
        //$index   = array_search($lookfor, array_column($unified, 'url'));
        //return back()->with('message', 'TOTAL: ' . count($unified) . " - " . $unified[$index]['count'] . " COUNT");
        return back()->with('message', $duplicates . ' UPDATED - ' . $fresh . ' CREATED');

        //$domain = $csv[1000][0];
        //$record = null;

        /*
        foreach ($blockcount as $line) {
            if ($line[0] == $domain) {
                $record = $line;
            }
        }
        if ($record != null) {
            return back()->with('message', $domain . ' has ' . $record[1] . ' blocks.');
        } else {
            return back()->with('message', 'NO MATCHES');
        }
        */
    }
}