/// <reference types="bun-types" />

import { describe, expect, test } from "bun:test"
import { readFileSync } from "node:fs"

const ciWorkflowPath = new URL("../.github/workflows/ci.yml", import.meta.url)

const workflowChecks = [
  {
    path: ciWorkflowPath,
    testRuns: [
      "run: bun test",
      "run: bun test src/shared/dist-bundle-bun-globals.test.ts",
    ],
  },
  {
    path: new URL("../.github/workflows/publish.yml", import.meta.url),
    testRuns: ["run: bun test"],
  },
]

describe("test workflows", () => {
  test("use pure bun test for workflows", () => {
    for (const workflowCheck of workflowChecks) {
      // #given
      const workflow = readFileSync(workflowCheck.path, "utf8")

      for (const testRun of workflowCheck.testRuns) {
        expect(workflow).toContain(testRun)
      }
    }
  })

  test("exercise root checks across linux macos and windows", () => {
    // #given
    const workflow = readFileSync(ciWorkflowPath, "utf8")

    // #when
    const hasCrossOsMatrix = workflow.includes("os: [ubuntu-latest, macos-latest, windows-latest]")
    const hasMatrixRunner = workflow.includes("runs-on: ${{ matrix.os }}")

    // #then
    expect(hasCrossOsMatrix, "CI root checks must cover Linux, macOS, and Windows").toBe(true)
    expect(hasMatrixRunner, "CI root checks must run on the selected matrix OS").toBe(true)
  })

  test("runs codex compatibility checks on every supported os", () => {
    // #given
    const workflow = readFileSync(ciWorkflowPath, "utf8")

    // #when
    const hasCodexMatrixJob = workflow.includes("codex-compatibility:")
    const hasCodexCommand = workflow.includes("run: bun run test:codex")
    const buildNeedsCodexMatrix = workflow.includes("needs: [test, typecheck, codex-compatibility]")

    // #then
    expect(hasCodexMatrixJob, "CI must expose a Codex compatibility matrix job").toBe(true)
    expect(hasCodexCommand, "Codex compatibility job must run the shared Codex test script").toBe(true)
    expect(buildNeedsCodexMatrix, "Build must wait for Codex compatibility checks").toBe(true)
  })
})