import { defineConfig, devices } from "@playwright/test";
import * as dotenv from "dotenv";
import * as path from "path";

// Load .env.e2e from the repo root (one level up from e2e/).
dotenv.config({ path: path.resolve(__dirname, "../.env.e2e") });

const BASE_URL = process.env.E2E_DOCMOST_URL ?? "http://localhost:5173";
const isCI = Boolean(process.env.CI);

export default defineConfig({
  testDir: "./tests",
  // Strict: every test must explicitly use fixtures — no implicit global state.
  fullyParallel: false,
  // Fail fast in CI — one failed test does not cascade to the rest.
  forbidOnly: isCI,
  retries: isCI ? 2 : 0,
  // Sequential workers — the e2e stack is shared and stateful (real DB).
  workers: 1,
  reporter: isCI
    ? [["github"], ["html", { outputFolder: "playwright-report", open: "never" }]]
    : [["list"], ["html", { outputFolder: "playwright-report", open: "on-failure" }]],

  use: {
    baseURL: BASE_URL,
    // Screenshot on every failure — uploaded as CI artifact.
    screenshot: "only-on-failure",
    // Video on failure — aids debugging SSE/realtime issues.
    video: "retain-on-failure",
    // Trace on first retry.
    trace: "on-first-retry",
    // All e2e calls go through real services — no mocking.
    bypassCSP: false,
    // Generous timeout for SSE events (up to 10s propagation).
    actionTimeout: 15_000,
    navigationTimeout: 30_000,
  },

  // Global timeout per test.
  timeout: 60_000,
  // Expect assertions timeout — generous for SSE realtime updates.
  expect: {
    timeout: 15_000,
  },

  projects: [
    // Setup project: runs auth + baserow seed before all tests.
    {
      name: "setup",
      testMatch: /.*\.setup\.ts/,
    },

    // Chromium — primary browser.
    {
      name: "chromium",
      use: {
        ...devices["Desktop Chrome"],
        storageState: ".auth/admin.json",
      },
      dependencies: ["setup"],
    },

    // Firefox — cross-browser validation.
    {
      name: "firefox",
      use: {
        ...devices["Desktop Firefox"],
        storageState: ".auth/admin.json",
      },
      dependencies: ["setup"],
    },

    // WebKit — Safari compat.
    {
      name: "webkit",
      use: {
        ...devices["Desktop Safari"],
        storageState: ".auth/admin.json",
      },
      dependencies: ["setup"],
    },
  ],

  // Run docker compose before all tests (local dev only — CI manages its own boot).
  // Disabled in CI because the workflow manages docker compose externally.
  webServer: isCI
    ? undefined
    : {
        command:
          "docker compose -f ../docker-compose.e2e.yml --env-file ../.env.e2e up -d --wait",
        url: BASE_URL,
        reuseExistingServer: true,
        timeout: 300_000,
      },
});