<?php

declare(strict_types=1);

namespace App\Services\Tenants;

use App\Models\Tenant;
use App\Support\Tenants\TenantLifecycle;
use App\Support\Tenants\TenantOperabilityDecision;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Collection;

class TenantOperabilityService
{
    public function decisionFor(Tenant $tenant): TenantOperabilityDecision
    {
        $lifecycle = TenantLifecycle::fromTenant($tenant);
        $isArchived = $tenant->trashed() || $lifecycle === TenantLifecycle::Archived;

        return new TenantOperabilityDecision(
            lifecycle: $lifecycle,
            canViewTenantSurface: $lifecycle->canViewTenantSurface(),
            canSelectAsContext: ! $tenant->trashed() && $lifecycle->canSelectAsContext(),
            canOperate: ! $tenant->trashed() && $lifecycle->canOperate(),
            canArchive: ! $isArchived && $lifecycle->canArchive(),
            canRestore: $isArchived || $lifecycle->canRestore(),
            canResumeOnboarding: ! $tenant->trashed() && $lifecycle->canResumeOnboarding(),
            canReferenceInWorkspaceMonitoring: $lifecycle->canReferenceInWorkspaceMonitoring(),
        );
    }

    public function lifecycleFor(Tenant $tenant): TenantLifecycle
    {
        return $this->decisionFor($tenant)->lifecycle;
    }

    public function canSelectAsContext(Tenant $tenant): bool
    {
        return $this->decisionFor($tenant)->canSelectAsContext;
    }

    public function canViewTenantSurface(Tenant $tenant): bool
    {
        return $this->decisionFor($tenant)->canViewTenantSurface;
    }

    public function canResumeOnboarding(Tenant $tenant): bool
    {
        return $this->decisionFor($tenant)->canResumeOnboarding;
    }

    public function canReferenceInWorkspaceMonitoring(Tenant $tenant): bool
    {
        return $this->decisionFor($tenant)->canReferenceInWorkspaceMonitoring;
    }

    /**
     * @param  Collection<int, Tenant>  $tenants
     * @return Collection<int, Tenant>
     */
    public function filterSelectable(Collection $tenants): Collection
    {
        return $tenants
            ->filter(fn (mixed $tenant): bool => $tenant instanceof Tenant && $this->canSelectAsContext($tenant))
            ->values();
    }

    public function applySelectableScope(Builder $query, ?string $table = null): Builder
    {
        $prefix = $table !== null && $table !== '' ? "{$table}." : '';

        return $query
            ->whereNull("{$prefix}deleted_at")
            ->where("{$prefix}status", TenantLifecycle::Active->value);
    }
}