#!/usr/bin/env bun
/**
 * Comprehensive Governance System Tests - TypeScript/Bun
 * =======================================================
 * Tests all components of the agent governance framework from TypeScript
 */

import { $ } from "bun";
import { Database } from "bun:sqlite";
import { createClient, type RedisClientType } from "redis";

// Colors
const GREEN = "\x1b[92m";
const RED = "\x1b[91m";
const YELLOW = "\x1b[93m";
const BLUE = "\x1b[94m";
const RESET = "\x1b[0m";

interface TestResults {
  passed: number;
  failed: number;
  skipped: number;
}

const results: TestResults = { passed: 0, failed: 0, skipped: 0 };

function logTest(name: string, passed: boolean, message?: string): void {
  if (passed) {
    results.passed++;
    const status = `${GREEN}PASS${RESET}`;
    console.log(`  [${status}] ${name}${message ? ` - ${message}` : ""}`);
  } else {
    results.failed++;
    const status = `${RED}FAIL${RESET}`;
    console.log(`  [${status}] ${name}${message ? ` - ${message}` : ""}`);
  }
}

function logSkip(name: string, reason: string): void {
  results.skipped++;
  console.log(`  [${YELLOW}SKIP${RESET}] ${name} - ${reason}`);
}

function logSection(title: string): void {
  console.log(`\n${BLUE}${"=".repeat(60)}${RESET}`);
  console.log(`${BLUE}${title}${RESET}`);
  console.log(`${BLUE}${"=".repeat(60)}${RESET}`);
}

// =============================================================================
// Test: Vault Connectivity
// =============================================================================

async function testVault(): Promise<void> {
  logSection("VAULT TESTS (Bun)");

  // Test 1: Vault status via docker
  try {
    const result = await $`docker exec vault vault status -format=json`.quiet();
    const status = JSON.parse(result.stdout.toString());
    logTest("Vault is running", true);
    logTest("Vault is initialized", status.initialized === true);
    logTest("Vault is unsealed", status.sealed === false);
  } catch (e) {
    logTest("Vault is running", false, String(e));
    return;
  }

  // Test 2: Read root token
  try {
    const keysFile = Bun.file("/opt/vault/init-keys.json");
    const keys = await keysFile.json();
    logTest("Root token readable", !!keys.root_token);
  } catch (e) {
    logTest("Root token readable", false, String(e));
  }
}

// =============================================================================
// Test: DragonflyDB Connectivity
// =============================================================================

async function testDragonfly(): Promise<void> {
  logSection("DRAGONFLYDB TESTS (Bun)");

  let client: RedisClientType | null = null;

  try {
    // Get credentials
    const keysFile = Bun.file("/opt/vault/init-keys.json");
    const keys = await keysFile.json();
    const rootToken = keys.root_token;

    const response = await fetch(
      "https://127.0.0.1:8200/v1/secret/data/services/dragonfly",
      {
        headers: { "X-Vault-Token": rootToken },
        // @ts-ignore - Bun supports this
        tls: { rejectUnauthorized: false },
      }
    );

    if (!response.ok) {
      logTest("DragonflyDB credentials from Vault", false);
      return;
    }

    const data = await response.json();
    const creds = data.data.data;
    logTest("DragonflyDB credentials from Vault", true);

    // Connect
    client = createClient({
      socket: {
        host: creds.host,
        port: parseInt(creds.port),
      },
      password: creds.password,
    });

    await client.connect();
    logTest("DragonflyDB connection", true);

    // Test operations
    await client.set("test:bun:ping", "pong", { EX: 60 });
    const value = await client.get("test:bun:ping");
    logTest("DragonflyDB read/write", value === "pong");

    // Test list
    await client.del("test:bun:list");
    await client.lPush("test:bun:list", ["item1", "item2"]);
    const items = await client.lRange("test:bun:list", 0, -1);
    logTest("DragonflyDB list operations", items.length === 2);
    await client.del("test:bun:list");
  } catch (e) {
    logTest("DragonflyDB operations", false, String(e));
  } finally {
    if (client) {
      await client.quit();
    }
  }
}

// =============================================================================
// Test: SQLite Ledger
// =============================================================================

async function testLedger(): Promise<void> {
  logSection("LEDGER TESTS (Bun)");

  const dbPath = "/opt/agent-governance/ledger/governance.db";
  const dbFile = Bun.file(dbPath);

  logTest("Ledger database exists", await dbFile.exists());

  if (!(await dbFile.exists())) {
    return;
  }

  try {
    const db = new Database(dbPath);

    // Check tables
    const tables = db
      .query("SELECT name FROM sqlite_master WHERE type='table'")
      .all() as { name: string }[];
    const tableNames = tables.map((t) => t.name);

    logTest("Table 'agent_metrics' exists", tableNames.includes("agent_metrics"));
    logTest("Table 'violations' exists", tableNames.includes("violations"));
    logTest("Table 'promotions' exists", tableNames.includes("promotions"));
    logTest("Table 'orchestration_log' exists", tableNames.includes("orchestration_log"));

    // Test insert/query
    db.run(`
      INSERT OR REPLACE INTO agent_metrics
      (agent_id, current_tier, compliant_runs, consecutive_compliant, total_runs, updated_at)
      VALUES ('test-agent-bun', 0, 0, 0, 0, datetime('now'))
    `);

    const row = db
      .query("SELECT * FROM agent_metrics WHERE agent_id='test-agent-bun'")
      .get();
    logTest("Ledger insert/query", row !== null);

    // Cleanup
    db.run("DELETE FROM agent_metrics WHERE agent_id='test-agent-bun'");
    db.close();
  } catch (e) {
    logTest("Ledger operations", false, String(e));
  }
}

// =============================================================================
// Test: CLI Tools
// =============================================================================

async function testCLITools(): Promise<void> {
  logSection("CLI TOOLS TESTS (Bun)");

  // Test checkpoint CLI
  try {
    const result = await $`/opt/agent-governance/bin/checkpoint list`.quiet();
    logTest("Checkpoint CLI works", result.exitCode === 0);
  } catch (e) {
    logTest("Checkpoint CLI works", false, String(e));
  }

  // Test model-controller CLI
  try {
    const result = await $`/opt/agent-governance/bin/model-controller status`.quiet();
    logTest("Model controller CLI works", result.exitCode === 0);
  } catch (e) {
    logTest("Model controller CLI works", false, String(e));
  }

  // Test tier0 agent
  try {
    const result =
      await $`cd /opt/agent-governance/agents/tier0-agent && python3 agent.py status`.quiet();
    logTest("Tier 0 agent CLI works", result.exitCode === 0);
  } catch (e) {
    logTest("Tier 0 agent CLI works", false, String(e));
  }
}

// =============================================================================
// Test: File System Structure
// =============================================================================

async function testFileStructure(): Promise<void> {
  logSection("FILE STRUCTURE TESTS (Bun)");

  const paths = [
    "/opt/agent-governance/checkpoint/checkpoint.py",
    "/opt/agent-governance/orchestrator/model_controller.py",
    "/opt/agent-governance/orchestrator/config.json",
    "/opt/agent-governance/preflight/preflight.py",
    "/opt/agent-governance/runtime/promotion.py",
    "/opt/agent-governance/runtime/revocation.py",
    "/opt/agent-governance/agents/tier0-agent/agent.py",
    "/opt/agent-governance/wrappers/tf-governed.sh",
    "/opt/agent-governance/wrappers/ansible-governed.sh",
    "/opt/agent-governance/evidence/evidence.py",
  ];

  for (const path of paths) {
    const file = Bun.file(path);
    const name = path.split("/").pop() || path;
    logTest(`${name} exists`, await file.exists());
  }
}

// =============================================================================
// Test: Config Files
// =============================================================================

async function testConfigFiles(): Promise<void> {
  logSection("CONFIG FILES TESTS (Bun)");

  // Test orchestrator config
  try {
    const configFile = Bun.file("/opt/agent-governance/orchestrator/config.json");
    const config = await configFile.json();
    logTest("Orchestrator config valid JSON", true);
    logTest("Config has models section", !!config.models);
    logTest("Config has execution section", !!config.execution);
    logTest("Config has safety section", !!config.safety);
  } catch (e) {
    logTest("Orchestrator config", false, String(e));
  }

  // Test agent config
  try {
    const agentConfig = Bun.file(
      "/opt/agent-governance/agents/tier0-agent/config/agent.json"
    );
    const config = await agentConfig.json();
    logTest("Agent config valid JSON", true);
    logTest("Agent config has capabilities", !!config.capabilities);
    logTest("Agent config has constraints", !!config.constraints);
  } catch (e) {
    logTest("Agent config", false, String(e));
  }
}

// =============================================================================
// Main
// =============================================================================

async function main(): Promise<number> {
  console.log(`\n${BLUE}${"#".repeat(60)}${RESET}`);
  console.log(`${BLUE}#  AGENT GOVERNANCE SYSTEM - BUN/TYPESCRIPT TESTS${RESET}`);
  console.log(`${BLUE}#  ${new Date().toISOString()}${RESET}`);
  console.log(`${BLUE}${"#".repeat(60)}${RESET}`);

  await testVault();
  await testDragonfly();
  await testLedger();
  await testCLITools();
  await testFileStructure();
  await testConfigFiles();

  // Summary
  console.log(`\n${BLUE}${"=".repeat(60)}${RESET}`);
  console.log(`${BLUE}TEST SUMMARY${RESET}`);
  console.log(`${BLUE}${"=".repeat(60)}${RESET}`);

  const total = results.passed + results.failed + results.skipped;
  console.log(`  ${GREEN}Passed:${RESET}  ${results.passed}`);
  console.log(`  ${RED}Failed:${RESET}  ${results.failed}`);
  console.log(`  ${YELLOW}Skipped:${RESET} ${results.skipped}`);
  console.log(`  Total:   ${total}`);

  if (results.failed > 0) {
    console.log(`\n${RED}Some tests failed!${RESET}`);
    return 1;
  } else {
    console.log(`\n${GREEN}All tests passed!${RESET}`);
    return 0;
  }
}

const exitCode = await main();
process.exit(exitCode);