name: Build and push Docker image

on:
  push:
    branches:
      - master

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always
  RUNNER_TOOL_CACHE: /toolcache

jobs:
  build:
    runs-on: ubuntu-22.04

    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Checkout
        uses: actions/checkout@v4

      - name: Install zstd
        run: sudo apt-get update && sudo apt-get install -y zstd

      - name: Generate cache key
        id: cargo-cache-key
        run: |
          find ./Cargo.lock -type f -exec sha256sum {} + | sha256sum > hash.txt
          cat hash.txt

      - name: Cache
        uses: actions/cache@v4
        id: cache
        with:
          save-always: true
          path: |
            $HOME/.cargo/bin/
            $HOME/.cargo/git/
            $HOME/.cargo/registry/index/
            $HOME/.cargo/registry/cache/
            target/
          key: ${{ runner.os }}-cargo-${{ steps.cargo-cache-key.outputs.hash }}
          restore-keys: ${{ runner.os }}-cargo-

      - name: Login to Gitea
        uses: docker/login-action@v3
        with:
          registry: git.toast-server.net
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Set up Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          rustflags: -C target-feature=-crt-static

      - name: Install zigbuild
        run: |
          pip3 install ziglang
          cargo install --locked cargo-zigbuild

      - name: Compile
        run: |
          rustup target add x86_64-unknown-linux-musl
          export GIT_COMMIT_HASH=${{ github.sha }} && \
          cargo zigbuild --target x86_64-unknown-linux-musl --locked -rF production

      - name: Build and push image
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          push: true
          tags: git.toast-server.net/toast/kon:master
          cache-from: type=registry,ref=git.toast-server.net/toast/kon:cache
          cache-to: type=registry,ref=git.toast-server.net/toast/kon:cache,mode=max,image-manifest=true,oci-mediatypes=true

  deploy:
    runs-on: host
    needs: build
    steps:
      - name: Deploy update
        uses: appleboy/ssh-action@v1.2.0
        with:
          host: ${{ secrets.SSH_HOST }}
          username: ${{ secrets.SSH_USERNAME }}
          passphrase: ${{ secrets.SSH_PASSPHRASE }}
          key: ${{ secrets.SSH_KEY }}
          port: ${{ secrets.SSH_PORT }}
          script: |
            cd kon && docker compose pull bot && \
            docker compose up -d bot --force-recreate && \
            docker system prune -f