name: CI and Artifacts

on:
  pull_request:
  push:
    branches:
      - main
      - dev

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

env:
  # Required to make some things output color
  TERM: ansi
  # Publishing to my nix binary cache
  ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN }}
  # Just in case incremental is still being set to true, speeds up CI
  CARGO_INCREMENTAL: 0
  # Custom nix binary cache if fork is being used
  ATTIC_ENDPOINT: ${{ vars.ATTIC_ENDPOINT }}
  ATTIC_PUBLIC_KEY: ${{ vars.ATTIC_PUBLIC_KEY }}

permissions:
  packages: write
  contents: read

jobs:
  tests:
    name: CI and Tests
    runs-on: ubuntu-latest

    steps:
    - name: Sync repository
      uses: actions/checkout@v4

    - name: Install Nix (with flakes and nix-command enabled)
      uses: cachix/install-nix-action@v26
      with:
        nix_path: nixpkgs=channel:nixos-unstable

        # Add `nix-community`, Crane, upstream Conduit, and conduwuit binary caches
        extra_nix_config: |
          experimental-features = nix-command flakes
          extra-substituters = https://nix-community.cachix.org
          extra-trusted-public-keys = nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=
          extra-substituters = https://crane.cachix.org
          extra-trusted-public-keys = crane.cachix.org-1:8Scfpmn9w+hGdXH/Q9tTLiYAE/2dnJYRJP7kl80GuRk=
          extra-substituters = https://nix.computer.surgery/conduit
          extra-trusted-public-keys = conduit:ZGAf6P6LhNvnoJJ3Me3PRg7tlLSrPxcQ2RiE5LIppjo=
          extra-substituters = https://attic.kennel.juneis.dog/conduit
          extra-trusted-public-keys = conduit:Isq8FGyEC6FOXH6nD+BOeAA+bKp6X6UIbupSlGEPuOg=
          extra-substituters = https://attic.kennel.juneis.dog/conduwuit
          extra-trusted-public-keys = conduwuit:lYPVh7o1hLu1idH4Xt2QHaRa49WRGSAqzcfFd94aOTw=

    - name: Add alternative Nix binary caches if specified
      if: ${{ (env.ATTIC_ENDPOINT != '') && (env.ATTIC_PUBLIC_KEY != '') }}
      run: |
        echo "extra-substituters = ${{ env.ATTIC_ENDPOINT }}" >> /etc/nix/nix.conf
        echo "extra-trusted-public-keys = ${{ env.ATTIC_PUBLIC_KEY }}" >> /etc/nix/nix.conf

    - name: Pop/push Magic Nix Cache
      uses: DeterminateSystems/magic-nix-cache-action@main

    - name: Configure `nix-direnv`
      run: |
        echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' > "$HOME/.direnvrc"

    - name: Install `direnv` and `nix-direnv`
      run: nix-env -f "<nixpkgs>" -iA direnv -iA nix-direnv

    - name: Pop/push downloaded crate cache
      uses: actions/cache@v4
      with:
        key: downloaded-crates
        path: ~/.cargo

    - name: Pop/push compiled crate cache
      uses: actions/cache@v4
      with:
        key: compiled-crates-${{runner.os}}
        path: target

    # Do this to shorten the logs for the real CI step
    - name: Populate `/nix/store`
      run: nix develop --command true

    - name: Allow direnv
      run: direnv allow

    - name: Cache x86_64 inputs for devShell
      run: |
        ./bin/nix-build-and-cache .#devShells.x86_64-linux.default.inputDerivation


    - name: Perform continuous integration
      run: direnv exec . engage



  build-static:
    name: Static Artifacts
    runs-on: ubuntu-latest
    needs: tests
    strategy:
      max-parallel: 3
      matrix:
        target: [
          "x86_64-unknown-linux-musl",
          "x86_64-unknown-linux-musl-jemalloc",
          "aarch64-unknown-linux-musl",
          "aarch64-unknown-linux-musl-jemalloc",
          ]

    steps:
    - name: Sync repository
      uses: actions/checkout@v4

    - name: Install Nix (with flakes and nix-command enabled)
      uses: cachix/install-nix-action@v26
      with:
        nix_path: nixpkgs=channel:nixos-unstable

        # Add `nix-community`, Crane, upstream Conduit, and conduwuit binary caches
        extra_nix_config: |
          experimental-features = nix-command flakes
          extra-substituters = https://nix-community.cachix.org
          extra-trusted-public-keys = nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=
          extra-substituters = https://crane.cachix.org
          extra-trusted-public-keys = crane.cachix.org-1:8Scfpmn9w+hGdXH/Q9tTLiYAE/2dnJYRJP7kl80GuRk=
          extra-substituters = https://nix.computer.surgery/conduit
          extra-trusted-public-keys = conduit:ZGAf6P6LhNvnoJJ3Me3PRg7tlLSrPxcQ2RiE5LIppjo=
          extra-substituters = https://attic.kennel.juneis.dog/conduit
          extra-trusted-public-keys = conduit:Isq8FGyEC6FOXH6nD+BOeAA+bKp6X6UIbupSlGEPuOg=
          extra-substituters = https://attic.kennel.juneis.dog/conduwuit
          extra-trusted-public-keys = conduwuit:lYPVh7o1hLu1idH4Xt2QHaRa49WRGSAqzcfFd94aOTw=

    - name: Add alternative Nix binary caches if specified
      if: ${{ (env.ATTIC_ENDPOINT != '') && (env.ATTIC_PUBLIC_KEY != '') }}
      run: |
        echo "extra-substituters = ${{ env.ATTIC_ENDPOINT }}" >> /etc/nix/nix.conf
        echo "extra-trusted-public-keys = ${{ env.ATTIC_PUBLIC_KEY }}" >> /etc/nix/nix.conf

    - name: Pop/push Magic Nix Cache
      uses: DeterminateSystems/magic-nix-cache-action@main

    - name: Configure `nix-direnv`
      run: |
        echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' > "$HOME/.direnvrc"

    - name: Install `direnv` and `nix-direnv`
      run: nix-env -f "<nixpkgs>" -iA direnv -iA nix-direnv

    - name: Pop/push downloaded crate cache
      uses: actions/cache@v4
      with:
        key: downloaded-crates
        path: ~/.cargo

    - name: Pop/push compiled crate cache
      uses: actions/cache@v4
      with:
        key: compiled-crates-${{runner.os}}
        path: target

    # Do this to shorten the logs for the real CI step
    - name: Populate `/nix/store`
      run: nix develop --command true

    - name: Allow direnv
      run: direnv allow

    - name: Cache x86_64 inputs for devShell
      run: |
        ./bin/nix-build-and-cache .#devShells.x86_64-linux.default.inputDerivation


    - name: Build static artifacts
      run: |
        ./bin/nix-build-and-cache .#static-${{ matrix.target }}
        mkdir -p target/release
        cp -v -f result/bin/conduit target/release
        direnv exec . cargo deb --no-build --no-strip --output target/debian/${{ matrix.target }}.deb

    - name: Upload static artifacts
      uses: actions/upload-artifact@v4
      with:
        name: static-${{ matrix.target }}
        path: result/bin/conduit
        if-no-files-found: error

    - name: Upload static deb artifacts
      uses: actions/upload-artifact@v4
      with:
        name: ${{ matrix.target }}.deb
        path: target/debian/${{ matrix.target }}.deb
        if-no-files-found: error



  build-oci:
    name: OCI Artifacts and Publish
    runs-on: ubuntu-latest
    needs: tests
    strategy:
      max-parallel: 3
      matrix:
        oci-target: [
          #"x86_64-unknown-linux-gnu",
          "x86_64-unknown-linux-musl",
          "x86_64-unknown-linux-musl-jemalloc",
          "aarch64-unknown-linux-musl",
          "aarch64-unknown-linux-musl-jemalloc",
          ]

    steps:
    - name: Sync repository
      uses: actions/checkout@v4

    - name: Install Nix (with flakes and nix-command enabled)
      uses: cachix/install-nix-action@v26
      with:
        nix_path: nixpkgs=channel:nixos-unstable

        # Add `nix-community`, Crane, upstream Conduit, and conduwuit binary caches
        extra_nix_config: |
          experimental-features = nix-command flakes
          extra-substituters = https://nix-community.cachix.org
          extra-trusted-public-keys = nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=
          extra-substituters = https://crane.cachix.org
          extra-trusted-public-keys = crane.cachix.org-1:8Scfpmn9w+hGdXH/Q9tTLiYAE/2dnJYRJP7kl80GuRk=
          extra-substituters = https://nix.computer.surgery/conduit
          extra-trusted-public-keys = conduit:ZGAf6P6LhNvnoJJ3Me3PRg7tlLSrPxcQ2RiE5LIppjo=
          extra-substituters = https://attic.kennel.juneis.dog/conduit
          extra-trusted-public-keys = conduit:Isq8FGyEC6FOXH6nD+BOeAA+bKp6X6UIbupSlGEPuOg=
          extra-substituters = https://attic.kennel.juneis.dog/conduwuit
          extra-trusted-public-keys = conduwuit:lYPVh7o1hLu1idH4Xt2QHaRa49WRGSAqzcfFd94aOTw=

    - name: Add alternative Nix binary caches if specified
      if: ${{ (env.ATTIC_ENDPOINT != '') && (env.ATTIC_PUBLIC_KEY != '') }}
      run: |
        echo "extra-substituters = ${{ env.ATTIC_ENDPOINT }}" >> /etc/nix/nix.conf
        echo "extra-trusted-public-keys = ${{ env.ATTIC_PUBLIC_KEY }}" >> /etc/nix/nix.conf

    - name: Pop/push Magic Nix Cache
      uses: DeterminateSystems/magic-nix-cache-action@main

    - name: Configure `nix-direnv`
      run: |
        echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' > "$HOME/.direnvrc"

    - name: Install `direnv` and `nix-direnv`
      run: nix-env -f "<nixpkgs>" -iA direnv -iA nix-direnv

    - name: Pop/push downloaded crate cache
      uses: actions/cache@v4
      with:
        key: downloaded-crates
        path: ~/.cargo

    - name: Pop/push compiled crate cache
      uses: actions/cache@v4
      with:
        key: compiled-crates-${{runner.os}}
        path: target

    # Do this to shorten the logs for the real CI step
    - name: Populate `/nix/store`
      run: nix develop --command true

    - name: Allow direnv
      run: direnv allow

    - name: Cache x86_64 inputs for devShell
      run: |
        ./bin/nix-build-and-cache .#devShells.x86_64-linux.default.inputDerivation


    - name: Build OCI images
      run: |
        ./bin/nix-build-and-cache .#oci-image-${{ matrix.oci-target }}
        cp -v -f result oci-image-${{ matrix.oci-target }}.tar.gz

    - name: Upload OCI image artifacts
      uses: actions/upload-artifact@v4
      with:
        name: oci-image-${{ matrix.oci-target }}
        path: oci-image-${{ matrix.oci-target }}.tar.gz
        if-no-files-found: error
        # don't compress again
        compression-level: 0

  create-and-push-manifest:
    name: Create and Push Docker Manifest
    runs-on: ubuntu-latest
    needs: build-oci
  
    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
  
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
  
      - name: Load OCI Images
        run: |
          docker load -i oci-image-x86_64-unknown-linux-musl-jemalloc.tar.gz
          docker load -i oci-image-aarch64-unknown-linux-musl-jemalloc.tar.gz
  
      - name: Create and Push Manifest to Docker Hub
        run: |
          DOCKER_IMAGE_NAME="docker.io/${{ github.repository }}"
          BRANCH_NAME="${{ github.ref_name }}"
          SHA_TAG="${BRANCH_NAME}-${{ github.sha }}"
          BRANCH_TAG=$BRANCH_NAME
      
          if [ "$BRANCH_NAME" == "main" ]; then
            BRANCH_TAG="latest"
          fi
      
          # Create and push SHA specific manifest
          docker manifest create $DOCKER_IMAGE_NAME:$SHA_TAG \
            --amend $DOCKER_IMAGE_NAME:${{ github.sha }}-x86_64-jemalloc \
            --amend $DOCKER_IMAGE_NAME:${{ github.sha }}-aarch64-jemalloc
          docker manifest push $DOCKER_IMAGE_NAME:$SHA_TAG
      
          # Update and push branch or latest manifest
          docker manifest create $DOCKER_IMAGE_NAME:$BRANCH_TAG \
            --amend $DOCKER_IMAGE_NAME:${{ github.sha }}-x86_64-jemalloc \
            --amend $DOCKER_IMAGE_NAME:${{ github.sha }}-aarch64-jemalloc
          docker manifest push $DOCKER_IMAGE_NAME:$BRANCH_TAG
      
      - name: Create and Push Manifest to GitHub Container Registry
        run: |
          GHCR_IMAGE_NAME="ghcr.io/${{ github.repository }}"
          BRANCH_NAME="${{ github.ref_name }}"
          SHA_TAG="${BRANCH_NAME}-${{ github.sha }}"
          BRANCH_TAG=$BRANCH_NAME
      
          if [ "$BRANCH_NAME" == "main" ]; then
            BRANCH_TAG="latest"
          fi
      
          # Create and push SHA specific manifest
          docker manifest create $GHCR_IMAGE_NAME:$SHA_TAG \
            --amend $GHCR_IMAGE_NAME:${{ github.sha }}-x86_64-jemalloc \
            --amend $GHCR_IMAGE_NAME:${{ github.sha }}-aarch64-jemalloc
          docker manifest push $GHCR_IMAGE_NAME:$SHA_TAG
      
          # Update and push branch or latest manifest
          docker manifest create $GHCR_IMAGE_NAME:$BRANCH_TAG \
            --amend $GHCR_IMAGE_NAME:${{ github.sha }}-x86_64-jemalloc \
            --amend $GHCR_IMAGE_NAME:${{ github.sha }}-aarch64-jemalloc
          docker manifest push $GHCR_IMAGE_NAME:$BRANCH_TAG