name: CI and Artifacts

on:
    pull_request:
    push:
        # documentation workflow deals with this or is not relevant for this workflow
        paths-ignore:
          - '*.md'
          - 'conduwuit-example.toml'
          - 'book.toml'
          - '.gitlab-ci.yml'
          - '.gitignore'
          - 'renovate.json'
          - 'docs/**'
          - 'debian/**'
          - 'docker/**'
        branches:
            - main
            - change-ci-cache
        tags:
          - '*'
    # Allows you to run this workflow manually from the Actions tab
    workflow_dispatch:

concurrency:
    group: ${{ github.head_ref || github.ref_name }}
    cancel-in-progress: true

env:
    # Required to make some things output color
    TERM: ansi
    # Publishing to my nix binary cache
    ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN }}
    # conduwuit.cachix.org
    CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_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 }}
    # Get error output from nix that we can actually use, and use our binary caches for the earlier CI steps
    NIX_CONFIG: |
      show-trace = true
      extra-substituters = https://attic.kennel.juneis.dog/conduit https://attic.kennel.juneis.dog/conduwuit https://cache.lix.systems https://conduwuit.cachix.org
      extra-trusted-public-keys = conduit:eEKoUwlQGDdYmAI/Q/0slVlegqh/QmAvQd7HBSm21Wk= conduwuit:BbycGUgTISsltcmH0qNjFR9dbrQNYgdIAcmViSGoVTE= cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o= conduwuit.cachix.org-1:MFRm6jcnfTf0jSAbmvLfhO3KBMt4px+1xaereWXp8Xg=

permissions:
    packages: write
    contents: read

jobs:
    tests:
        name: Test
        runs-on: ubuntu-latest
        steps:
            - name: Free Disk Space (Ubuntu)
              uses: jlumbroso/free-disk-space@main

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

            - name: Tag comparison check
              if: ${{ startsWith(github.ref, 'refs/tags/v') && !endsWith(github.ref, '-rc') }}
              run: |
                  # Tag mismatch with latest repo tag check to prevent potential downgrades
                  LATEST_TAG=$(git describe --tags `git rev-list --tags --max-count=1`)

                  if [ $LATEST_TAG != ${{ github.ref_name }} ]; then
                    echo '# WARNING: Attempting to run this workflow for a tag that is not the latest repo tag. Aborting.'
                    echo '# WARNING: Attempting to run this workflow for a tag that is not the latest repo tag. Aborting.' >> $GITHUB_STEP_SUMMARY
                    exit 1
                  fi

            - uses: nixbuild/nix-quick-install-action@v28

            - name: Enable Cachix binary cache
              run: |
                  nix profile install nixpkgs#cachix
                  cachix use crane
                  cachix use nix-community

            - name: Restore and cache Nix store
              uses: nix-community/cache-nix-action@v5.1.0
              with:
                # restore and save a cache using this key
                primary-key: nix-${{ runner.os }}-${{ hashFiles('**/*.nix', '**/.lock') }}
                # if there's no cache hit, restore a cache by this prefix
                restore-prefixes-first-match: nix-${{ runner.os }}-
                # collect garbage until Nix store size (in bytes) is at most this number
                # before trying to save a new cache
                gc-max-store-size-linux: 2073741824
                # do purge caches
                purge: true
                # purge all versions of the cache
                purge-prefixes: nix-${{ runner.os }}-
                # created more than this number of seconds ago relative to the start of the `Post Restore` phase
                purge-last-accessed: 86400
                # except the version with the `primary-key`, if it exists
                purge-primary-key: never
                # always save the cache
                save-always: true

            - name: Apply Nix binary cache configuration
              run: |
                  sudo tee -a "${XDG_CONFIG_HOME:-$HOME/.config}/nix/nix.conf" > /dev/null <<EOF
                  extra-substituters = https://attic.kennel.juneis.dog/conduit https://attic.kennel.juneis.dog/conduwuit https://cache.lix.systems https://conduwuit.cachix.org
                  extra-trusted-public-keys = conduit:eEKoUwlQGDdYmAI/Q/0slVlegqh/QmAvQd7HBSm21Wk= conduwuit:BbycGUgTISsltcmH0qNjFR9dbrQNYgdIAcmViSGoVTE= cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o= conduwuit.cachix.org-1:MFRm6jcnfTf0jSAbmvLfhO3KBMt4px+1xaereWXp8Xg=
                  EOF

            - name: Use alternative Nix binary caches if specified
              if: ${{ (env.ATTIC_ENDPOINT != '') && (env.ATTIC_PUBLIC_KEY != '') }}
              run: |
                  sudo tee -a "${XDG_CONFIG_HOME:-$HOME/.config}/nix/nix.conf" > /dev/null <<EOF
                  extra-substituters = ${{ env.ATTIC_ENDPOINT }}
                  extra-trusted-public-keys = ${{ env.ATTIC_PUBLIC_KEY }}
                  EOF

            - name: Prepare build environment
              run: |
                  echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' > "$HOME/.direnvrc"
                  nix profile install --inputs-from . nixpkgs#direnv nixpkgs#nix-direnv
                  direnv allow
                  nix develop .#all-features --command true

            - name: Cache CI dependencies
              run: |
                  bin/nix-build-and-cache ci

            - uses: Swatinem/rust-cache@v2

            - name: Run CI tests
              run: |
                  direnv exec . engage > >(tee -a test_output.log)

            - name: Run Complement tests
              run: |
                  # the nix devshell sets $COMPLEMENT_SRC, so "/dev/null" is no-op
                  direnv exec . bin/complement "/dev/null" complement_test_logs.jsonl complement_test_results.jsonl > >(tee -a test_output.log)
                  cp -v -f result complement_oci_image.tar.gz

            - name: Upload Complement OCI image
              uses: actions/upload-artifact@v4
              with:
                name: complement_oci_image.tar.gz
                path: complement_oci_image.tar.gz
                if-no-files-found: error

            - name: Upload Complement logs
              uses: actions/upload-artifact@v4
              with:
                name: complement_test_logs.jsonl
                path: complement_test_logs.jsonl
                if-no-files-found: error

            - name: Upload Complement results
              uses: actions/upload-artifact@v4
              with:
                name: complement_test_results.jsonl
                path: complement_test_results.jsonl
                if-no-files-found: error

            - name: Diff Complement results with checked-in repo results
              run: |
                  diff -u --color=always tests/test_results/complement/test_results.jsonl complement_test_results.jsonl > >(tee -a complement_diff_output.log)

            - name: Update Job Summary
              if: success() || failure()
              run: |
                  if [ ${{ job.status }} == 'success' ]; then
                      echo '# ✅ completed suwuccessfully' >> $GITHUB_STEP_SUMMARY
                  else
                      echo '# CI failure' >> $GITHUB_STEP_SUMMARY
                      echo '```' >> $GITHUB_STEP_SUMMARY
                      tail -n 40 test_output.log | sed 's/\x1b\[[0-9;]*m//g' >> $GITHUB_STEP_SUMMARY
                      echo '```' >> $GITHUB_STEP_SUMMARY

                      echo '# Complement diff results' >> $GITHUB_STEP_SUMMARY
                      echo '```diff' >> $GITHUB_STEP_SUMMARY
                      tail -n 100 complement_diff_output.log | sed 's/\x1b\[[0-9;]*m//g' >>     $GITHUB_STEP_SUMMARY
                      echo '```' >> $GITHUB_STEP_SUMMARY
                  fi

    build:
        name: Build
        runs-on: ubuntu-latest
        needs: tests
        strategy:
            matrix:
                include:
                    - target: aarch64-unknown-linux-musl
                    - target: x86_64-unknown-linux-musl
        steps:
            - name: Sync repository
              uses: actions/checkout@v4

            - uses: nixbuild/nix-quick-install-action@v28

            - name: Enable Cachix binary cache
              run: |
                  nix profile install nixpkgs#cachix
                  cachix use crane
                  cachix use nix-community

            - name: Restore and cache Nix store
              uses: nix-community/cache-nix-action@v5.1.0
              with:
                # restore and save a cache using this key
                primary-key: nix-${{ runner.os }}-${{ matrix.target }}-${{ hashFiles('**/*.nix', '**/.lock') }}
                # if there's no cache hit, restore a cache by this prefix
                restore-prefixes-first-match: nix-${{ runner.os }}-
                # collect garbage until Nix store size (in bytes) is at most this number
                # before trying to save a new cache
                gc-max-store-size-linux: 2073741824
                # do purge caches
                purge: true
                # purge all versions of the cache
                purge-prefixes: nix-${{ runner.os }}-
                # created more than this number of seconds ago relative to the start of the `Post Restore` phase
                purge-last-accessed: 86400
                # except the version with the `primary-key`, if it exists
                purge-primary-key: never
                # always save the cache
                save-always: true

            - name: Apply Nix binary cache configuration
              run: |
                  sudo tee -a "${XDG_CONFIG_HOME:-$HOME/.config}/nix/nix.conf" > /dev/null <<EOF
                  extra-substituters = https://attic.kennel.juneis.dog/conduit https://attic.kennel.juneis.dog/conduwuit https://cache.lix.systems https://conduwuit.cachix.org
                  extra-trusted-public-keys = conduit:eEKoUwlQGDdYmAI/Q/0slVlegqh/QmAvQd7HBSm21Wk= conduwuit:BbycGUgTISsltcmH0qNjFR9dbrQNYgdIAcmViSGoVTE= cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o= conduwuit.cachix.org-1:MFRm6jcnfTf0jSAbmvLfhO3KBMt4px+1xaereWXp8Xg=
                  EOF

            - name: Use alternative Nix binary caches if specified
              if: ${{ (env.ATTIC_ENDPOINT != '') && (env.ATTIC_PUBLIC_KEY != '') }}
              run: |
                  sudo tee -a "${XDG_CONFIG_HOME:-$HOME/.config}/nix/nix.conf" > /dev/null <<EOF
                  extra-substituters = ${{ env.ATTIC_ENDPOINT }}
                  extra-trusted-public-keys = ${{ env.ATTIC_PUBLIC_KEY }}
                  EOF

            - name: Prepare build environment
              run: |
                  echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' > "$HOME/.direnvrc"
                  nix profile install --inputs-from . nixpkgs#direnv nixpkgs#nix-direnv
                  direnv allow
                  nix develop .#all-features --command true

            - name: Build static ${{ matrix.target }}
              run: |
                  CARGO_DEB_TARGET_TUPLE=$(echo ${{ matrix.target }} | grep -o -E '^([^-]*-){3}[^-]*')
                  SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct)

                  bin/nix-build-and-cache just .#static-${{ matrix.target }}-all-features
                  mkdir -v -p target/release/
                  mkdir -v -p target/$CARGO_DEB_TARGET_TUPLE/release/
                  cp -v -f result/bin/conduit target/release/conduwuit
                  cp -v -f result/bin/conduit target/$CARGO_DEB_TARGET_TUPLE/release/conduwuit
                  # -p conduit is the main crate name
                  direnv exec . cargo deb --verbose --no-build --no-strip -p conduit --target=$CARGO_DEB_TARGET_TUPLE --output target/release/${{ matrix.target }}.deb
                  mv -v target/release/conduwuit static-${{ matrix.target }}
                  mv -v target/release/${{ matrix.target }}.deb ${{ matrix.target }}.deb

            # quick smoke test of the x86_64 static binary
            - name: Run x86_64 static binary
              run: |
                  # GH actions default runners are x86_64 only
                  if file result/bin/conduit | grep x86-64; then
                    result/bin/conduit --version
                  fi

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

            - name: Upload deb ${{ matrix.target }}
              uses: actions/upload-artifact@v4
              with:
                  name: deb-${{ matrix.target }}
                  path: ${{ matrix.target }}.deb
                  if-no-files-found: error
                  compression-level: 0

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

            - name: Upload OCI image ${{ matrix.target }}
              uses: actions/upload-artifact@v4
              with:
                  name: oci-image-${{ matrix.target }}
                  path: oci-image-${{ matrix.target }}.tar.gz
                  if-no-files-found: error
                  compression-level: 0

    docker:
        name: Docker publish
        runs-on: ubuntu-latest
        needs: build
        if: (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' || (github.event.pull_request.draft != true)) && (vars.DOCKER_USERNAME != '') && (vars.GITLAB_USERNAME != '') && github.event.pull_request.user.login != 'renovate[bot]'
        env:
            DOCKER_ARM64: docker.io/${{ github.repository }}:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}-arm64v8
            DOCKER_AMD64: docker.io/${{ github.repository }}:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}-amd64
            DOCKER_TAG: docker.io/${{ github.repository }}:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}
            DOCKER_BRANCH: docker.io/${{ github.repository }}:${{ (startsWith(github.ref, 'refs/tags/v') && !endsWith(github.ref, '-rc') && 'latest') || (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}
            GHCR_ARM64: ghcr.io/${{ github.repository }}:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}-arm64v8
            GHCR_AMD64: ghcr.io/${{ github.repository }}:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}-amd64
            GHCR_TAG: ghcr.io/${{ github.repository }}:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}
            GHCR_BRANCH: ghcr.io/${{ github.repository }}:${{ (startsWith(github.ref, 'refs/tags/v') && !endsWith(github.ref, '-rc') && 'latest') || (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}
            GLCR_ARM64: registry.gitlab.com/conduwuit/conduwuit:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}-arm64v8
            GLCR_AMD64: registry.gitlab.com/conduwuit/conduwuit:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}-amd64
            GLCR_TAG: registry.gitlab.com/conduwuit/conduwuit:${{ (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}-${{ github.sha }}
            GLCR_BRANCH: registry.gitlab.com/conduwuit/conduwuit:${{ (startsWith(github.ref, 'refs/tags/v') && !endsWith(github.ref, '-rc') && 'latest') || (github.head_ref != '' && format('merge-{0}-{1}', github.event.number, github.event.pull_request.user.login)) || github.ref_name }}

            DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
            GITLAB_TOKEN: ${{ secrets.GITLAB_TOKEN }}
        steps:
            - name: Login to GitHub Container Registry
              uses: docker/login-action@v3
              with:
                  registry: ghcr.io
                  username: ${{ github.actor }}
                  password: ${{ secrets.GITHUB_TOKEN }}

            - name: Login to Docker Hub
              if: ${{ (vars.DOCKER_USERNAME != '') && (env.DOCKERHUB_TOKEN != '') }}
              uses: docker/login-action@v3
              with:
                  registry: docker.io
                  username: ${{ vars.DOCKER_USERNAME }}
                  password: ${{ secrets.DOCKERHUB_TOKEN }}

            - name: Login to GitLab Container Registry
              if: ${{ (vars.GITLAB_USERNAME != '') && (env.GITLAB_TOKEN != '') }}
              uses: docker/login-action@v3
              with:
                  registry: registry.gitlab.com
                  username: ${{ vars.GITLAB_USERNAME }}
                  password: ${{ secrets.GITLAB_TOKEN }}

            - name: Download artifacts
              uses: actions/download-artifact@v4

            - name: Move OCI images into position
              run: |
                  mv -v oci-image-x86_64-*/*.tar.gz oci-image-amd64.tar.gz
                  mv -v oci-image-aarch64-*/*.tar.gz oci-image-arm64v8.tar.gz

            - name: Load and push amd64 image
              if: ${{ (vars.DOCKER_USERNAME != '') && (env.DOCKERHUB_TOKEN != '') }}
              run: |
                  docker load -i oci-image-amd64.tar.gz
                  docker tag $(docker images -q conduit:main) ${{ env.DOCKER_AMD64 }}
                  docker tag $(docker images -q conduit:main) ${{ env.GHCR_AMD64 }}
                  docker tag $(docker images -q conduit:main) ${{ env.GLCR_AMD64 }}
                  docker push ${{ env.DOCKER_AMD64 }}
                  docker push ${{ env.GHCR_AMD64 }}
                  docker push ${{ env.GLCR_AMD64 }}

            - name: Load and push arm64 image
              if: ${{ (vars.DOCKER_USERNAME != '') && (env.DOCKERHUB_TOKEN != '') }}
              run: |
                  docker load -i oci-image-arm64v8.tar.gz
                  docker tag $(docker images -q conduit:main) ${{ env.DOCKER_ARM64 }}
                  docker tag $(docker images -q conduit:main) ${{ env.GHCR_ARM64 }}
                  docker tag $(docker images -q conduit:main) ${{ env.GLCR_ARM64 }}
                  docker push ${{ env.DOCKER_ARM64 }}
                  docker push ${{ env.GHCR_ARM64 }}
                  docker push ${{ env.GLCR_ARM64 }}

            - name: Create Docker combined manifests
              run: |
                  # Dockerhub Container Registry
                  docker manifest create ${{ env.DOCKER_TAG }} --amend ${{ env.DOCKER_ARM64 }} --amend ${{ env.DOCKER_AMD64 }}
                  docker manifest create ${{ env.DOCKER_BRANCH }} --amend ${{ env.DOCKER_ARM64 }} --amend ${{ env.DOCKER_AMD64 }}
                  # GitHub Container Registry
                  docker manifest create ${{ env.GHCR_TAG }} --amend ${{ env.GHCR_ARM64 }} --amend ${{ env.GHCR_AMD64 }}
                  docker manifest create ${{ env.GHCR_BRANCH }} --amend ${{ env.GHCR_ARM64 }} --amend ${{ env.GHCR_AMD64 }}
                  # GitLab Container Registry
                  docker manifest create ${{ env.GLCR_TAG }} --amend ${{ env.GLCR_ARM64 }} --amend ${{ env.GCCR_AMD64 }}
                  docker manifest create ${{ env.GLCR_BRANCH }} --amend ${{ env.GLCR_ARM64 }} --amend ${{ env.GLCR_AMD64 }}

            - name: Push manifests to Docker registries
              if: ${{ (vars.DOCKER_USERNAME != '') && (env.DOCKERHUB_TOKEN != '') }}
              run: |
                  docker manifest push ${{ env.DOCKER_TAG }}
                  docker manifest push ${{ env.DOCKER_BRANCH }}
                  docker manifest push ${{ env.GHCR_TAG }}
                  docker manifest push ${{ env.GHCR_BRANCH }}
                  docker manifest push ${{ env.GLCR_TAG }}
                  docker manifest push ${{ env.GLCR_BRANCH }}

            - name: Add Image Links to Job Summary
              if: ${{ (vars.DOCKER_USERNAME != '') && (env.DOCKERHUB_TOKEN != '') }}
              run: |
                  echo "- \`docker pull ${{ env.DOCKER_TAG }}\`" >> $GITHUB_STEP_SUMMARY
                  echo "- \`docker pull ${{ env.GHCR_TAG }}\`" >> $GITHUB_STEP_SUMMARY
                  echo "- \`docker pull ${{ env.GLCR_TAG }}\`" >> $GITHUB_STEP_SUMMARY
