<?php

namespace App\Livewire\Person;

use Livewire\Component;
use App\Services\RiksdagenService;
use Livewire\Attributes\Computed;
use Asantibanez\LivewireCharts\Models\PieChartModel;
use Livewire\Attributes\Lazy;

#[Lazy()]
class Show extends Component
{
    public $personId;

    public $person;

    public $votes = [];

    public $votesByYear = [];

    public $selectedYear;

    public $selectedUppdragTab = 'current';

    public $currentUppdrag = [];

    public $previousUppdrag = [];

    public function mount($personId)
    {
        $this->personId = $personId;
        $service = app(RiksdagenService::class);
        $result = $service->searchPerson(mp_id: $personId);
        $this->person = $result->original->personlista->person ?? null;

        $this->getPersonVotes();
        $this->groupUppdrag();
    }

    #[Computed()]
    public function riksdagenUrl()
    {
        return "https://www.riksdagen.se/sv/ledamoter-partier/ledamot/" . $this->person->tilltalsnamn . "-" . $this->person->efternamn . "_" . $this->personId;
    }

    public function getPersonVotes()
    {
        $service = app(RiksdagenService::class);
        $result = $service->searchVotes(mp_id: $this->personId);
        $votesList = $result->original->voteringlista->votering ?? [];

        // Group votes by year (from rm field like 2025/26)
        foreach ($votesList as $vote) {
            $year = explode('/', $vote->rm)[0]; // Extract year from rm like "2025/26"
            if (!isset($this->votesByYear[$year])) {
                $this->votesByYear[$year] = [];
            }
            $this->votesByYear[$year][] = $vote;
        }

        // Set default selected year to the most recent
        if (!empty($this->votesByYear)) {
            $this->selectedYear = max(array_keys($this->votesByYear));
        }
    }

    public function selectYear($year)
    {
        $this->selectedYear = $year;
    }

    public function selectUppdragTab($tab)
    {
        $this->selectedUppdragTab = $tab;
    }

    public function groupUppdrag()
    {
        if (!$this->person || !isset($this->person->personuppdrag->uppdrag)) {
            return;
        }

        $uppdrag = $this->person->personuppdrag->uppdrag;
        $now = now();

        foreach ($uppdrag as $assignment) {
            // Check if assignment is current (tom is empty or in the future)
            $isCurrent = empty($assignment->tom) ||
                        (isset($assignment->tom) && $assignment->tom &&
                         \Carbon\Carbon::parse($assignment->tom)->isFuture());

            if ($isCurrent) {
                $this->currentUppdrag[] = $assignment;
            } else {
                $this->previousUppdrag[] = $assignment;
            }
        }

        // Sort by date (most recent first)
        usort($this->currentUppdrag, function($a, $b) {
            return \Carbon\Carbon::parse($b->from)->timestamp - \Carbon\Carbon::parse($a->from)->timestamp;
        });

        usort($this->previousUppdrag, function($a, $b) {
            return \Carbon\Carbon::parse($b->tom ?: $b->from)->timestamp - \Carbon\Carbon::parse($a->tom ?: $a->from)->timestamp;
        });
    }

    #[Computed()]
    public function votingStatistics()
    {
        if (!$this->selectedYear || !isset($this->votesByYear[$this->selectedYear])) {
            return [];
        }

        $votes = $this->votesByYear[$this->selectedYear];
        $statistics = [];

        foreach ($votes as $vote) {
            $voteType = $vote->rost;
            if (!isset($statistics[$voteType])) {
                $statistics[$voteType] = 0;
            }
            $statistics[$voteType]++;
        }

        return $statistics;
    }

    #[Computed()]
    public function pieChartModel()
    {
        $statistics = $this->votingStatistics;

        $pieChart = (new PieChartModel())
            ->setTitle('Voteringsstatistik för ' . $this->selectedYear)
            ->setAnimated(true)
            ->withDataLabels();

        $colors = [
            'Ja' => '#10b981',     // Green
            'Nej' => '#ef4444',    // Red
            'Frånvarande' => '#6b7280', // Gray
            'Avstår' => '#f59e0b', // Yellow
        ];

        foreach ($statistics as $voteType => $count) {
            $color = $colors[$voteType] ?? '#8b5cf6'; // Default purple
            $pieChart->addSlice($voteType, $count, $color);
        }

        return $pieChart;
    }

    public function placeholder()
    {
        return view('livewire.person.show-skeleton');
    }

    public function render()
    {
        return view('livewire.person.show');
    }
}