<?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('candidate_submissions', fn (Blueprint $table) => $table->unique(['tenant_id', 'people_process_id', 'id'], 'candidate_submission_process_identity'));
        Schema::table('people_applications', fn (Blueprint $table) => $table->unique(['tenant_id', 'people_process_id', 'id'], 'people_application_process_identity'));
        Schema::create('candidate_triage', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('tenant_id');
            $table->unsignedBigInteger('people_process_id');
            $table->unsignedBigInteger('candidate_submission_id')->unique();
            $table->unsignedBigInteger('people_application_id')->nullable()->unique();
            $table->foreign(['tenant_id', 'people_process_id', 'candidate_submission_id'], 'triage_submission_scope')->references(['tenant_id', 'people_process_id', 'id'])->on('candidate_submissions')->restrictOnDelete();
            $table->foreign(['tenant_id', 'people_process_id', 'people_application_id'], 'triage_application_scope')->references(['tenant_id', 'people_process_id', 'id'])->on('people_applications')->restrictOnDelete();
            $table->foreignId('created_by')->constrained('users')->restrictOnDelete();
            $table->uuid('operation_key');
            $table->string('input_hash', 64);
            $table->string('outcome', 30);
            $table->unsignedInteger('profile_version');
            $table->text('reason');
            $table->text('public_message');
            $table->timestamp('created_at');
            $table->unique(['tenant_id', 'operation_key']);
        });
        if (DB::getDriverName() === 'sqlite') {
            DB::unprepared("CREATE TRIGGER preserve_candidate_triage_update BEFORE UPDATE ON candidate_triage BEGIN SELECT RAISE(ABORT, 'Preservar decisao de triagem'); END;
                CREATE TRIGGER preserve_candidate_triage_delete BEFORE DELETE ON candidate_triage BEGIN SELECT RAISE(ABORT, 'Preservar decisao de triagem'); END;");
        } elseif (DB::getDriverName() === 'pgsql') {
            DB::unprepared("CREATE FUNCTION sgc_preserve_candidate_triage() RETURNS trigger LANGUAGE plpgsql AS $$ BEGIN RAISE EXCEPTION 'Preservar decisao de triagem'; END $$;
                CREATE TRIGGER preserve_candidate_triage BEFORE UPDATE OR DELETE ON candidate_triage FOR EACH ROW EXECUTE FUNCTION sgc_preserve_candidate_triage();");
        }
    }

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