<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Charts\RankChart;
use App\MatsuriHime\Election;
use App\Rank;
use Carbon\Carbon;
use Cache;
use Storage;
use Agent;

class HomeController extends Controller
{
	public function getIdolDB() {
		return json_decode(Storage::get('idols.json'));
	}
	public function getIdolColors(){
		$colors = [];
		$idolDB = collect($this->getIdolDB()->idols);
		foreach($idolDB as $idol) {
			$colors[$idol->name->kanji->value] = $idol->color;
		}
//		dd($colors);

		return $colors;
	}
	public function statistics(Request $request) {
		$dataPoints = Rank::count();
		return view('statistics',['data_points' => $dataPoints]);

	}
	public function home(Request $request) {
		$minutes = $request->since ?? 60*24*90;
		$timepoints = Cache::get('timepoints');
		$requested_date = $request->date_since;
		if($requested_date) {
			$requested_date = Carbon::parse($requested_date);
			$timepoints = $timepoints->filter(function($item) use ($requested_date) {
                        return $item->gte($requested_date);
	                });
		}
		else if($minutes != "full") $timepoints = $timepoints->filter(function($item) use ($minutes) {
			return $item->gte(Carbon::now()->addHours(9)->subMinutes($minutes+5));
		});
		$take = $timepoints->count();
		$idolColors = $this->getIdolColors();
		$dramaNames = Election::getDramaNames();
		$ranks = Rank::all()->groupBy('role');
		$charts = [];
			$timelabels = [];
			foreach($timepoints as $timepoint) {
				$timelabels[] = $timepoint->toDateTimeString();
			}
			$timelabels = collect($timelabels);
			$timelabels = $timelabels->splice(count($timelabels) - $take);
			if($request->take) $timelabels = $timelabels->take($request->take);
		foreach($ranks as $roleName => $roleRank) {
			$chartPoint = Cache::get('data_'.$roleName);
//			dd($chartPoint);
			if(!isset($chartPoint)) {
				\App\MatsuriHime\Election::createSnapshot();
				$chartPoint = Cache::get('data_'.$roleName);
			}
			$chart = new RankChart;
			$chart->options([
				'axisOptions' => [
					'xIsSeries' => true,
					'xAxisMode' => 'tick'
				],
				'lineOptions' => [
					'regionFill' => true
				],
				'title' => $roleName.' ('.$dramaNames[$roleName].')'
			]);
			$chart->isNavigable(true);
			$chart->labels($timelabels->toArray());
			$chart->hideDots(true);
			foreach($chartPoint as $idol => $dataPoints) {
				$values = collect($dataPoints);
				$values = $values->splice(count($values) - $take);
				if($request->take) $values = $values->take($request->take);
				$idol_color = $idolColors[$idol];
				$chart->dataSet($idol,'line',$values->toArray())->color($idol_color);
			}
			$chartData["drama"] = $dramaNames[$roleName];
			$chartData["name"] = $roleName;
			$chartData["chart"] = $chart;
			$charts[] = $chartData;
		}
		return view('home', [ 'chart_groups' => collect($charts)->groupBy("drama"), 'since' => $request->since ]);
	}
    //
}