<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        Schema::table('people_processes', fn (Blueprint $table) => $table->unique(['tenant_id', 'id']));
        Schema::create('candidate_opportunity_publications', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('tenant_id');
            $table->unsignedBigInteger('people_process_id');
            $table->foreign(['tenant_id', 'people_process_id'])->references(['tenant_id', 'id'])->on('people_processes')->restrictOnDelete();
            $table->foreignId('created_by')->constrained('users')->restrictOnDelete();
            $table->unsignedInteger('version');
            $table->boolean('active');
            $table->text('description');
            $table->text('reason');
            $table->timestamp('created_at');
            $table->unique(['people_process_id', 'version']);
        });
        Schema::create('candidate_submissions', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('tenant_id');
            $table->unsignedBigInteger('people_process_id');
            $table->unsignedBigInteger('candidate_account_id');
            $table->foreign(['tenant_id', 'people_process_id'])->references(['tenant_id', 'id'])->on('people_processes')->restrictOnDelete();
            $table->foreign(['tenant_id', 'candidate_account_id'])->references(['tenant_id', 'id'])->on('candidate_accounts')->restrictOnDelete();
            $table->uuid('operation_key');
            $table->string('reference', 50)->unique();
            $table->string('input_hash', 64);
            $table->json('snapshot');
            $table->timestamp('created_at');
            $table->unique(['people_process_id', 'candidate_account_id']);
            $table->unique(['candidate_account_id', 'operation_key']);
        });
        if (DB::getDriverName() === 'sqlite') {
            foreach (['candidate_opportunity_publications', 'candidate_submissions'] as $table) {
                DB::unprepared("CREATE TRIGGER preserve_{$table}_update BEFORE UPDATE ON {$table} BEGIN SELECT RAISE(ABORT, 'Preservar submissao e publicacao'); END;
                    CREATE TRIGGER preserve_{$table}_delete BEFORE DELETE ON {$table} BEGIN SELECT RAISE(ABORT, 'Preservar submissao e publicacao'); END;");
            }
        } elseif (DB::getDriverName() === 'pgsql') {
            DB::unprepared("CREATE FUNCTION sgc_preserve_candidate_submissions() RETURNS trigger LANGUAGE plpgsql AS $$ BEGIN RAISE EXCEPTION 'Preservar submissao e publicacao'; END $$;
                CREATE TRIGGER preserve_candidate_publications BEFORE UPDATE OR DELETE ON candidate_opportunity_publications FOR EACH ROW EXECUTE FUNCTION sgc_preserve_candidate_submissions();
                CREATE TRIGGER preserve_candidate_submissions BEFORE UPDATE OR DELETE ON candidate_submissions FOR EACH ROW EXECUTE FUNCTION sgc_preserve_candidate_submissions();");
        }
    }

    public function down(): void
    {
        throw new LogicException('Preservar candidaturas e publicações.');
    }
};