import assert from "node:assert/strict";
import { spawnSync } from "node:child_process";
import { fileURLToPath } from "node:url";
import test from "node:test";

import { startPostgresFixture } from "./helpers/postgres-fixture.ts";

const runnerPath = fileURLToPath(new URL("../scripts/db-migrate.mjs", import.meta.url));
const userId = "83000000-0000-4000-8000-000000000083";
const otherUserId = "83000000-0000-4000-8000-000000000183";
const personId = "83000000-0000-4000-8000-000000000283";
const partnerId = "83000000-0000-4000-8000-000000000383";
const reportId = "83000000-0000-4000-8000-000000000483";
const otherReportId = "83000000-0000-4000-8000-000000000583";
const sessionId = "83000000-0000-4000-8000-000000000683";
const requestId = "83000000-0000-4000-8000-000000000783";
const otherRequestId = "83000000-0000-4000-8000-000000000883";
const fingerprint = "a".repeat(64);
const skillHash = "d".repeat(64);

function dockerAvailable(): boolean {
  return spawnSync("docker", ["version", "--format", "{{.Server.Version}}"], { encoding: "utf8", stdio: "ignore" }).status === 0;
}

function errorText(error: unknown): string {
  if (!error || typeof error !== "object") return String(error);
  const stderr = "stderr" in error ? String((error as { stderr?: unknown }).stderr ?? "") : "";
  const stdout = "stdout" in error ? String((error as { stdout?: unknown }).stdout ?? "") : "";
  return `${stderr}\n${stdout}\n${String(error)}`;
}

test("synastry chat binds an owned section, rejects another report, and stays readable after delete", {
  skip: dockerAvailable() ? false : "docker unavailable on this host",
}, () => {
  const fixture = startPostgresFixture();
  try {
    const migration = spawnSync(process.execPath, [runnerPath], {
      encoding: "utf8",
      env: { ...process.env, SCHEMA_DATABASE_URL: fixture.connectionUrl("schema_owner", "schema-owner-test-password") },
    });
    assert.equal(migration.status, 0, `${migration.stdout}${migration.stderr}`);

    fixture.psql(`
      insert into identity.users (id, name, email, email_verified, email_verified_at)
      values
        ('${userId}', 'Fictional Synastry Chat', '${userId}@example.invalid', true, now()),
        ('${otherUserId}', 'Fictional Other', '${otherUserId}@example.invalid', true, now());
      update public.profiles set credits = 10 where id = '${userId}';
      insert into public.chart_profiles (id, user_id, role, profile)
      values
        ('${personId}', '${userId}', 'other', '{}'::jsonb),
        ('${partnerId}', '${userId}', 'other', '{}'::jsonb);
    `);
    const insertReport = (id: string, owner: string, request: string, person: string, partner: string) => `
      insert into public.personal_reports (
        id, user_id, chart_profile_id, partner_chart_profile_id, request_id, request_fingerprint,
        report_type, status, schema_version, presentation_mode, requested_themes, depth,
        skill_name, skill_version, skill_source_commit, skill_snapshot_sha256,
        subject_low, subject_high, fingerprint_low, fingerprint_high, synastry_rules_version
      ) values (
        '${id}', '${owner}', '${person}', '${partner}', '${request}', '${fingerprint}',
        'synastry_full', 'generating', 'synastry_report.v1', 'default', array[]::text[], 'standard',
        'jyotish-full-synastry-reading', '1.0.0', '${"e".repeat(40)}', '${skillHash}',
        '${person}', '${partner}', '${fingerprint}', '${"b".repeat(64)}', 'bde5d615:marriage_match_product_v1'
      );
    `;
    fixture.psql(insertReport(reportId, userId, requestId, personId, partnerId));
    fixture.psql(`
      update public.personal_reports
      set status = 'ready', completed_at = now(), report_document = '{"names":{"a":"甲","b":"乙"}}'::jsonb,
          calculation_hash = '${skillHash}', evidence_hash = '${skillHash}'
      where id = '${reportId}';
      update public.personal_report_jobs
      set status = 'cancelled', finished_at = now()
      where user_id = '${userId}' and status = 'queued';
    `);
    fixture.psql(insertReport(otherReportId, otherUserId, otherRequestId, personId, partnerId));

    fixture.psql(`
      insert into public.chat_sessions (
        id, user_id, title, theme, messages, session_type,
        synastry_report_id, synastry_section, synastry_partner_subject_id,
        chart_profile_id, chart_profile_name, chart_profile_role
      ) values (
        '${sessionId}', '${userId}', '甲 × 乙 · 合盘追问', 'marriage', '[]'::jsonb, 'synastry_report',
        '${reportId}', 'climate', '${partnerId}',
        '${personId}', '甲 × 乙', 'other'
      );
    `);

    assert.throws(() => fixture.psql(`
      insert into public.chat_sessions (
        id, user_id, title, theme, messages, session_type,
        synastry_report_id, synastry_section, synastry_partner_subject_id
      ) values (
        '83000000-0000-4000-8000-000000000983', '${userId}', '越权', 'marriage', '[]'::jsonb, 'synastry_report',
        '${otherReportId}', 'climate', '${partnerId}'
      );
    `), (error: unknown) => /synastry_report_not_owned/.test(errorText(error)));

    assert.throws(() => fixture.psql(`
      insert into public.chat_sessions (
        id, user_id, title, theme, messages, session_type,
        synastry_report_id, synastry_section, synastry_partner_subject_id
      ) values (
        '83000000-0000-4000-8000-000000001083', '${userId}', '非法节', 'marriage', '[]'::jsonb, 'synastry_report',
        '${reportId}', 'practices', '${partnerId}'
      );
    `), (error: unknown) => /synastry_section_invalid/.test(errorText(error)));

    const reserved = fixture.psql(`
      select reason from public.reserve_consultation_usage(
        '${userId}', 'chat-83', '${sessionId}', 'model-a', 1
      );
    `);
    assert.equal(reserved.includes("session_missing"), false);

    fixture.psql(`delete from public.personal_reports where id = '${reportId}';`);
    assert.equal(fixture.psql(`
      select (synastry_report_id is null)::text || '|' || synastry_section || '|' || session_type
      from public.chat_sessions where id = '${sessionId}';
    `), "true|climate|synastry_report");
    assert.equal(fixture.psql(`
      select reason from public.reserve_consultation_usage(
        '${userId}', 'chat-83-after-delete', '${sessionId}', 'model-a', 1
      );
    `), "session_missing");
  } finally {
    fixture.stop();
  }
});