import fs from 'fs';
import path from 'path';
import { getProviderCapabilities } from '../src/config/provider-capabilities';
import { InternalExecutionPlanV2Builder } from '../src/services/internal-execution-plan-v2';
import { BestExecutionPlanner } from '../src/services/best-execution-planner';

const CHAIN_ID = 138;
const WETH10 = '0xf4BB2e28688e89fCcE3c0580D37d36A7672E8A9f';
const USDT = '0x004b63A7B5b0E06f6bB6adb4a5F9f590BF3182D1';
const D3_PROXY = '0xc9a11abB7C63d88546Be24D58a6d95e3762cB843';
const D3_POOL = '0x6550A3a59070061a262a893A1D6F3F490afFDBDA';
const ROUTER_V2 = '0xF1c93F54A5C2fc0d7766Ccb0Ad8f157DFB4C99Ce';
const AMOUNT_IN = '100000000000000000';

class MockPlannerMetricsRepository {
  async getCachedPlan(): Promise<null> {
    return null;
  }

  async recordProviderSnapshots(): Promise<void> {}

  async cachePlan(): Promise<void> {}

  async recordPlannedRouteMetrics(): Promise<void> {}
}

function assert(condition: unknown, message: string): asserts condition {
  if (!condition) {
    throw new Error(message);
  }
}

function loadMatrix(): Record<string, unknown> {
  const root = path.resolve(__dirname, '../../../../');
  const matrixPath = path.resolve(root, 'config/aggregator-route-matrix.json');
  const raw = fs.readFileSync(matrixPath, 'utf8');
  return JSON.parse(raw) as Record<string, unknown>;
}

async function main(): Promise<void> {
  const capabilities = getProviderCapabilities(CHAIN_ID);
  const dodoV3 = capabilities.find((capability) => capability.provider === 'dodo_v3');
  assert(dodoV3, 'Missing dodo_v3 provider capability for Chain 138.');
  assert(dodoV3.live === true, 'Expected dodo_v3 capability to be live.');
  assert(dodoV3.quoteLive === true, 'Expected dodo_v3 quoteLive=true.');
  assert(dodoV3.executionLive === true, 'Expected dodo_v3 executionLive=true with the live router-v2 D3 adapter.');

  const pair = dodoV3.pairs.find(
    (entry) =>
      entry.status === 'live' &&
      entry.tokenInAddress === WETH10.toLowerCase() &&
      entry.tokenOutAddress === USDT.toLowerCase()
  );
  assert(pair, 'Missing live WETH10 -> USDT dodo_v3 capability.');
  assert(pair.target === D3_PROXY.toLowerCase(), `Expected D3 proxy target ${D3_PROXY}, got ${pair.target}.`);

  const planner = new BestExecutionPlanner(undefined, new MockPlannerMetricsRepository() as never);
  const request = {
    sourceChainId: CHAIN_ID,
    destinationChainId: CHAIN_ID,
    tokenIn: WETH10,
    tokenOut: USDT,
    amountIn: AMOUNT_IN,
  };

  const plan = await planner.plan(request);
  assert(plan.decision === 'direct-pool', `Expected direct-pool decision, got ${plan.decision}.`);
  assert(plan.legs.length === 1, `Expected 1 planner leg, got ${plan.legs.length}.`);
  assert(plan.legs[0].provider === 'dodo_v3', `Expected dodo_v3 provider, got ${plan.legs[0].provider}.`);
  assert(plan.routePlan !== undefined, 'Expected executable routePlan for dodo_v3 pilot routes.');
  assert(
    plan.riskFlags.includes('pilot-venue') && !plan.riskFlags.includes('manual-execution-only'),
    `Expected pilot-only risk flag set, got ${plan.riskFlags.join(', ')}.`
  );
  assert(BigInt(plan.estimatedAmountOut) > 0n, 'Expected positive DODO v3 quote output.');

  const executionBuilder = new InternalExecutionPlanV2Builder(planner);
  const internalExecution = await executionBuilder.build(request);
  assert(!internalExecution.error, `Expected executable internal plan, got ${internalExecution.error || 'none'}.`);
  assert(internalExecution.execution?.kind === 'route', `Expected route execution plan, got ${internalExecution.execution?.kind || 'none'}.`);
  assert(
    internalExecution.execution?.contractAddress === ROUTER_V2.toLowerCase(),
    `Expected router-v2 contract ${ROUTER_V2}, got ${internalExecution.execution?.contractAddress || 'none'}.`
  );
  assert(
    internalExecution.execution?.encodedCalldata?.startsWith('0x434180a2'),
    'Expected executeRoute calldata for dodo_v3 pilot route.'
  );

  const matrix = loadMatrix();
  const liveSwapRoutes = Array.isArray(matrix.liveSwapRoutes) ? matrix.liveSwapRoutes : [];
  const dodoV3Routes = liveSwapRoutes.filter((route) => {
    if (!route || typeof route !== 'object') return false;
    const legs = Array.isArray((route as { legs?: unknown[] }).legs) ? (route as { legs: unknown[] }).legs : [];
    return legs.some((leg) => leg && typeof leg === 'object' && (leg as { protocol?: string }).protocol === 'dodo_v3');
  }) as Array<Record<string, unknown>>;

  assert(dodoV3Routes.length === 2, `Expected 2 dodo_v3 routes in route matrix, got ${dodoV3Routes.length}.`);
  for (const route of dodoV3Routes) {
    const legs = Array.isArray(route.legs) ? route.legs : [];
    const leg = legs[0] as Record<string, unknown>;
    assert(leg.poolAddress === D3_POOL.toLowerCase(), `Expected canonical D3 pool ${D3_POOL}, got ${String(leg.poolAddress || '')}.`);
    assert(leg.executorAddress === D3_PROXY.toLowerCase(), `Expected canonical D3 proxy ${D3_PROXY}, got ${String(leg.executorAddress || '')}.`);
  }

  console.log(
    JSON.stringify(
      {
        verifiedAt: new Date().toISOString(),
        chainId: CHAIN_ID,
        capability: {
          provider: dodoV3.provider,
          live: dodoV3.live,
          quoteLive: dodoV3.quoteLive,
          executionLive: dodoV3.executionLive,
        },
        planner: {
          decision: plan.decision,
          provider: plan.legs[0].provider,
          estimatedAmountOut: plan.estimatedAmountOut,
          riskFlags: plan.riskFlags,
          routePlanPresent: plan.routePlan !== undefined,
        },
        internalExecutionPlan: {
          kind: internalExecution.execution?.kind,
          contractAddress: internalExecution.execution?.contractAddress,
          error: internalExecution.error,
        },
        routeMatrix: {
          dodoV3RouteIds: dodoV3Routes.map((route) => String(route.routeId || '')),
        },
      },
      null,
      2
    )
  );
}

main().catch((error) => {
  console.error(`[fail] ${error instanceof Error ? error.message : String(error)}`);
  process.exit(1);
});