name: CI

on:
  push:
    branches: [main]
  pull_request:
  workflow_dispatch:

# Cancel a superseded PR run (it is on a stale commit); never cancel a
# push run — it is already producing the post-merge signal. The mount job
# boots a real DSH + Chromium, so the savings matter there most.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  ci:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v7
        with:
          # Tests run git log against this repository and need the full history.
          fetch-depth: 0
      # pnpm version is pinned via packageManager in package.json; the action
      # reads it from there (specifying both makes action-setup fail on
      # purpose with ERR_PNPM_BAD_PM_VERSION).
      - uses: pnpm/action-setup@v6
      - uses: actions/setup-node@v7
        with:
          node-version: 22
          cache: pnpm
      # The plugin's git revert/cherry-pick spawn git without setting an
      # identity (deliberate, see tests/smoke.spec.ts) and rely on ambient
      # config; the runner has none by default.
      - name: Configure git identity for tests
        run: |
          git config --global user.name "dsh-apes-sidebar-ci"
          git config --global user.email "ci@dsh.invalid"
      - name: Install dependencies
        run: pnpm install --frozen-lockfile
      - name: Typecheck
        run: pnpm typecheck
      - name: Test
        run: pnpm test
      - name: Build
        run: pnpm build
      # The consumer-facing declaration surface guard: a browser-only plugin
      # (no @types/node, skipLibCheck: false) must type-check against the
      # shipped lib/types. Runs AFTER build (it reads the built output).
      - name: Check consumer type surface
        run: pnpm check:consumer-types

  # Windows parity lane for the pure-logic suite. The codebase carries real
  # win32 branches (shell parsing, WSL path projection, the PowerShell
  # installer) that mock-injection tests alone cannot validate — this lane
  # runs the same typecheck / test / build / consumer-type-surface steps on
  # a real Windows runtime. The plugin-mount lane (real DSH + Playwright
  # Chromium) stays ubuntu-only and is deliberately NOT mirrored here.
  ci-windows:
    runs-on: windows-latest
    timeout-minutes: 30
    defaults:
      run:
        # The runner ships Git Bash: multi-line steps and
        # scripts/check-consumer-types.sh work verbatim.
        shell: bash
    steps:
      - uses: actions/checkout@v7
        with:
          # Tests run git log against this repository and need the full history.
          fetch-depth: 0
      # pnpm version is pinned via packageManager in package.json; the action
      # reads it from there (specifying both makes action-setup fail on
      # purpose with ERR_PNPM_BAD_PM_VERSION).
      - uses: pnpm/action-setup@v6
      - uses: actions/setup-node@v7
        with:
          node-version: 22
          cache: pnpm
      # Same rationale as the ci job: smoke tests spawn git without an
      # identity and rely on ambient config, which the runner lacks.
      - name: Configure git identity for tests
        run: |
          git config --global user.name "dsh-apes-sidebar-ci"
          git config --global user.email "ci@dsh.invalid"
      - name: Install dependencies
        run: pnpm install --frozen-lockfile
      - name: Typecheck
        run: pnpm typecheck
      - name: Test
        run: pnpm test
      - name: Build
        run: pnpm build
      - name: Check consumer type surface
        run: pnpm check:consumer-types

  # Pack the plugin as an npm tarball, mount it into a REAL DSH instance
  # through the official `dsh plugin --profile web add` channel, and render
  # the DSH web UI headlessly (Playwright Chromium) to prove the plugin
  # mounts without crashing the shell. Drives `pnpm test:mount`, which boots
  # a keyless `dsh web` against a scratch profile and sweeps every built-in
  # sidebar tab. No API key needed — the whole lane is deterministic.
  plugin-mount:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    # CI runs must never report to the production telemetry endpoint baked
    # into the DSH composition (same guard DSH's own CI uses).
    env:
      DSH_TELEMETRY_DISABLED: '1'
    steps:
      - uses: actions/checkout@v7

      # pnpm version is pinned via packageManager in package.json; the action
      # reads it from there (specifying both makes action-setup fail on
      # purpose with ERR_PNPM_BAD_PM_VERSION).
      - uses: pnpm/action-setup@v6

      - uses: actions/setup-node@v7
        with:
          node-version: 22
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      # Pin the DSH CLI the lane mounts into; the profile's bundle stack
      # (dsh-base / dsh-web-app) resolves from this installation. Keep in
      # step with the plugin's @deepseek-ai/* peer range when bumping.
      # DSH 0.1.2-rc.1 is published under the `next` dist-tag; the lanes
      # speak the slash-only RPC dialect (tests/e2e/host-protocol.ts).
      - name: Install dsh CLI (pinned)
        run: npm install -g @deepseek-ai/dsh@0.1.2-rc.1

      # lib/ is gitignored; the tarball is produced from this build.
      - name: Build and pack the npm tarball
        run: pnpm build && pnpm pack

      - name: Install Playwright Chromium
        run: pnpm exec playwright install --with-deps chromium

      - name: Mount + headless-render smoke
        run: pnpm test:mount

      # Aggregate double-mount regression: a fixture aggregate bundle mounts
      # dsh-apes-sidebar under its own entry id BEFORE the plugin's bundle
      # row; the plugin must back off (no duplicate /sidebar/api, boot OK).
      # Uses the pinned DSH CLI installed above.
      - name: Aggregate double-mount regression
        env:
          DSH_CMD: dsh
        run: pnpm test:mount:aggregate

      - name: Upload Playwright report on failure
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report
          path: |
            playwright-report/
            test-results/
          if-no-files-found: ignore