name: Documentation

on:
  workflow_dispatch:
    inputs:
      packages:
        description: >
          A JSON structure describing the packages to build.
          E.g: [{"name":"esp-hal","tag":"v0.23.1"},{"name":"esp-wifi","tag":"esp-wifi-v0.12"}]

          NOTE: You can run `cargo xtask tag-releases` to get the json output generated for this workflow.
        required: true
      server:
        type: choice
        description: Which server to deploy to
        options:
          - preview
          - production

env:
  CARGO_TERM_COLOR: always
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      packages: '${{ github.event.inputs.packages }}'
    steps:
      - run: echo "Setup complete!"
  build:
    needs: setup
    strategy:
      fail-fast: true
      matrix:
        packages: ${{ fromJson(needs.setup.outputs.packages) }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: esp-rs/xtensa-toolchain@v1.5
        with:
          default: true
          ldproxy: false
          version: 1.85.0.0

      # TODO: we could build this once and download onto each runner
      # Build the `xtask` package using the latest commit, and copy the
      # resulting binary to the `~/.cargo/bin/` directory. We do this to
      # avoid having to rebuild different versions of the package for
      # different tags if they do not fall on the same commit, and to
      # make sure that we take advantage of any subsequent updates to
      # the xtask which may have happened after a release was tagged.
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          repository: esp-rs/esp-hal
      - name: Build xtask
        run: |
          cargo build --release --package=xtask --features=deploy-docs
          cp target/release/xtask ~/.cargo/bin/hal-xtask

      # Checkout the tag we need to start building the docs
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          repository: esp-hal/esp-hal
          ref: ${{ matrix.packages.tag }}

      - name: Build documentation
        run: hal-xtask build-documentation --packages=${{ matrix.packages.name }} --base-url /projects/rust/

      # https://github.com/actions/deploy-pages/issues/303#issuecomment-1951207879
      - name: Remove problematic '.lock' files
        run: find docs -name ".lock" -exec rm -f {} \;

      - name: Upload docs for ${{ matrix.packages.name }}
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.packages.name }}
          path: "docs/${{ matrix.packages.name }}"

  assemble:
    needs: [setup, build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
      - name: Prepare
        run: mkdir docs && mkdir docs/esp-hal && mkdir docs/esp-wifi && mkdir docs/esp-lp-hal
      - name: Download all docs
        uses: actions/download-artifact@v4
        with:
          path: "docs/"

      # Create an index for _all_ packages.
      - name: Create index.html
        run: cargo xtask build-documentation-index


      - if: ${{ github.event.inputs.server == 'preview' }}
        name: Deploy to preview server
        uses: appleboy/scp-action@v0.1.7
        with:
          host: preview-docs.espressif.com
          username: ${{ secrets.PREVIEW_USERNAME }}
          key: ${{ secrets.PREVIEW_KEY }}
          target: ${{ secrets.PREVIEW_TARGET }}
          source: "docs/"
          strip_components: 1 # remove the docs prefix
          overwrite: true

      - if: ${{ github.event.inputs.server == 'production' }}
        name: Deploy to production server
        uses: appleboy/scp-action@v0.1.7
        with:
          host: docs.espressif.com
          username: ${{ secrets.PRODUCTION_USERNAME }}
          key: ${{ secrets.PRODUCTION_KEY }}
          target: ${{ secrets.PRODUCTION_TARGET }}
          source: "docs/"
          strip_components: 1 # remove the docs prefix
          overwrite: true