import { expect, test, type APIRequestContext } from '@playwright/test';
import { Wallet } from 'ethers';
import { createWalletContext } from '../setup/wallet-provider';
import { startStack, waitForStackReady, stopStack } from '../setup/stack';

const ACCOUNT_PRIVATE_KEY = '0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80';
const ACCOUNT_ADDRESS = new Wallet(ACCOUNT_PRIVATE_KEY).address.toLowerCase();
const STACK_RPC_URL = process.env.STACK_RPC_URL ?? 'http://127.0.0.1:8545';
const STACK_WEBAPP_URL = process.env.STACK_WEBAPP_URL ?? 'http://localhost:5173';
const STACK_GRAPHQL_URL = process.env.STACK_GRAPHQL_URL ?? 'http://localhost:42069/graphql';

async function fetchPositions(request: APIRequestContext, owner: string) {
  const response = await request.post(STACK_GRAPHQL_URL, {
    data: {
      query: `
        query PositionsByOwner($owner: String!) {
          positionss(where: { owner: $owner }, limit: 5) {
            items {
              id
              owner
              taxRate
              stakeDeposit
              status
            }
          }
        }
      `,
      variables: { owner },
    },
    headers: { 'content-type': 'application/json' },
  });

  expect(response.ok()).toBeTruthy();
  const payload = await response.json();
  return (payload?.data?.positionss?.items ?? []) as Array<{
    id: string;
    owner: string;
    taxRate: number;
    stakeDeposit: string;
    status: string;
  }>;
}

test.describe('Acquire & Stake', () => {
  test.beforeAll(async () => {
    await startStack();
    await waitForStackReady({
      rpcUrl: STACK_RPC_URL,
      webAppUrl: STACK_WEBAPP_URL,
      graphqlUrl: STACK_GRAPHQL_URL,
    });
  });

  test.afterAll(async () => {
    await stopStack();
  });

  test('users can swap KRK via UI', async ({ browser, request }) => {
    console.log('[TEST] Creating wallet context...');
    const context = await createWalletContext(browser, {
      privateKey: ACCOUNT_PRIVATE_KEY,
      rpcUrl: STACK_RPC_URL,
    });

    const page = await context.newPage();

    // Log browser console messages
    page.on('console', msg => console.log(`[BROWSER] ${msg.type()}: ${msg.text()}`));
    page.on('pageerror', error => console.log(`[BROWSER ERROR] ${error.message}`));

    try {
      console.log('[TEST] Loading app...');
      await page.goto(`${STACK_WEBAPP_URL}/app/`, { waitUntil: 'domcontentloaded' });
      console.log('[TEST] App loaded, waiting for wallet to initialize...');

      // Wait for wallet to be fully recognized
      await page.waitForTimeout(3_000);

      // Check if wallet shows as connected in UI
      console.log('[TEST] Checking for wallet display...');
      const walletDisplay = page.getByText(/0xf39F/i).first();
      await expect(walletDisplay).toBeVisible({ timeout: 15_000 });
      console.log('[TEST] Wallet connected successfully!');

      console.log('[TEST] Navigating to cheats page...');
      await page.goto(`${STACK_WEBAPP_URL}/app/#/cheats`);
      await expect(page.getByRole('heading', { name: 'Cheat Console' })).toBeVisible();

      console.log('[TEST] Minting test ETH...');
      await page.getByLabel('RPC URL').fill(STACK_RPC_URL);
      await page.getByLabel('Recipient').fill(ACCOUNT_ADDRESS);
      const mintButton = page.getByRole('button', { name: 'Mint' });
      await expect(mintButton).toBeEnabled();
      await mintButton.click();
      await page.waitForTimeout(3_000);

      console.log('[TEST] Buying KRK tokens via swap...');
      await page.screenshot({ path: 'test-results/before-swap.png' });

      // Check if swap is available
      const buyWarning = await page.getByText('Connect to the Base Sepolia fork').isVisible().catch(() => false);
      if (buyWarning) {
        throw new Error('Swap not available - chain config issue persists');
      }

      const ethToSpendInput = page.getByLabel('ETH to spend');
      await ethToSpendInput.fill('0.05');

      const buyButton = page.getByRole('button', { name: 'Buy' }).last();
      await expect(buyButton).toBeVisible();
      console.log('[TEST] Clicking Buy button...');
      await buyButton.click();

      // Wait for button to show "Submitting..." then return to "Buy"
      console.log('[TEST] Waiting for swap to process...');
      try {
        await page.getByRole('button', { name: /Submitting/i }).waitFor({ state: 'visible', timeout: 5_000 });
        console.log('[TEST] Swap initiated, waiting for completion...');
        await page.getByRole('button', { name: 'Buy' }).last().waitFor({ state: 'visible', timeout: 60_000 });
        console.log('[TEST] Swap completed!');
      } catch (e) {
        console.log('[TEST] No "Submitting" state detected, swap may have completed instantly');
      }
      await page.waitForTimeout(2_000);

      console.log('[TEST] Verifying swap via RPC...');
      // Query the blockchain directly to verify KRK balance increased
      const balanceResponse = await fetch(STACK_RPC_URL, {
        method: 'POST',
        headers: { 'content-type': 'application/json' },
        body: JSON.stringify({
          jsonrpc: '2.0',
          id: 1,
          method: 'eth_call',
          params: [{
            to: '0xe527ddac2592faa45884a0b78e4d377a5d3df8cc', // KRK token
            data: `0x70a08231000000000000000000000000${ACCOUNT_ADDRESS.slice(2)}` // balanceOf(address)
          }, 'latest']
        })
      });

      const balanceData = await balanceResponse.json();
      const balance = BigInt(balanceData.result || '0');
      console.log(`[TEST] KRK balance: ${balance.toString()} wei`);

      expect(balance).toBeGreaterThan(0n);
      console.log('[TEST] ✅ Swap successful! KRK balance > 0');
      console.log('[TEST] ✅ E2E test complete: Swap verified through UI');
      console.log('[TEST] Note: Staking is verified separately via verify-swap.sh script');
    } finally {
      await context.close();
    }
  });
});