<?php

namespace App\Models;

use App\Domain\Report\ExportFormat;
use App\Domain\Report\ReportStatus;
use App\Services\Report\ReportStorage;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Concerns\HasTimestamps;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Support\Facades\Storage;

class StudyReport extends BaseModel
{
    use HasTimestamps;

    public function study(): BelongsTo
    {
        return $this->belongsTo(Study::class);
    }

    public function radiologist(): BelongsTo
    {
        return $this->belongsTo(User::class, 'read_by_id');
    }

    public function approver(): BelongsTo
    {
        return $this->belongsTo(User::class, 'approved_by_id');
    }

    public function scopeAccession(Builder $query, string $uuid): Builder
    {
        $query->where('accession_number', $uuid);

        return $query;
    }

    public function scopeForStudy(Builder $query, Study|int $study): Builder
    {
        $query->where('study_id', $study instanceof Study ? $study->id : $study);

        return $query;
    }

    public function setStatus(ReportStatus $status, User|int|null $user = null): void
    {
        $user_id = me($user)->id;
        $params = ['report_status' => $status->value];
        switch ($status) {
            case ReportStatus::Dictated:
                $params['dictated_by_id'] = $user_id;
                break;
            case ReportStatus::Preliminary:
            case ReportStatus::Finalized:
                $params['read_by_id'] = $user_id;
                break;
            case ReportStatus::Approved:
                $params['approved_by_id'] = $user_id;
                break;
        }

        $this->update($params);
    }

    public function wordDownloadUrl(): string
    {
        return route('staff.report.download', ['uuid' => $this->accession_number, 'format' => ExportFormat::Word2007->value]);
    }

    public function pdfDownloadUrl(): string
    {
        return route('staff.report.download', ['uuid' => $this->accession_number, 'format' => ExportFormat::Pdf->value]);
    }

    public function htmlDownloadUrl(): string
    {
        return route('staff.report.download', ['uuid' => $this->accession_number, 'format' => ExportFormat::Html->value]);
    }

    public function viewUrl(): string
    {
        return route('staff.report.view', $this->accession_number);
    }

    public function saveContent(string $content): void
    {
        $this->file_path = ReportStorage::randomFilepath($this->study);
        Storage::disk('public')->put($this->file_path, $content);
    }

    public function getContent(): ?string
    {
        return Storage::disk('public')->get($this->file_path);
    }

    public function eligibleForExport(): bool
    {
        return $this->report_status->value >= ReportStatus::Finalized->value;
    }

    public function canRemove(User|int|null $user = null): bool
    {
        if ($this->report_status->value < ReportStatus::Finalized->value) {
            if ($this->read_by_id === me($user)->id) {
                return true;
            }
            /*
            if ($this->approved_by_id === me($user)->id) {
                return true;
            }
            */
        }

        return false;
    }

    public function canEdit(User|int|null $user = null): bool
    {
        if ($this->report_status->value < ReportStatus::Finalized->value &&
            $this->study->canEditReport() &&
            $this->read_by_id === me($user)->id) {
            return true;
        }

        return false;
    }

    public function isFinalized(): bool
    {
        return $this->report_status->value >= ReportStatus::Finalized->value;
    }

    /**
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'report_status' => ReportStatus::class,
        ];
    }
}