name: Docker Images

on:
  push:
    branches:
      - dev
    tags:
      - 'v*'

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

permissions:
  contents: read
  packages: write

jobs:
  build:
    name: Build ${{ matrix.image_name }} (${{ matrix.platform }})
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        image_name:
          - gonavi-mcp-server
          - gonavi-web-server
          - gonavi-build-env
        platform:
          - linux/amd64
          - linux/arm64
        include:
          - image_name: gonavi-mcp-server
            dockerfile: Dockerfile.mcp-server
            description: GoNavi MCP Server container image
          - image_name: gonavi-web-server
            dockerfile: Dockerfile.web-server
            description: GoNavi Web Server (browser UI) container image
          - image_name: gonavi-build-env
            dockerfile: Dockerfile.build-env
            description: GoNavi Linux build environment image
          - platform: linux/amd64
            runner: ubuntu-latest
          - platform: linux/arm64
            runner: ubuntu-24.04-arm
    steps:
      - name: Checkout code
        uses: actions/checkout@v5

      - name: Prepare build variables
        id: prep
        shell: bash
        run: |
          set -euo pipefail
          echo "owner_lc=$(printf '%s' "${GITHUB_REPOSITORY_OWNER}" | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"
          echo "platform_pair=$(printf '%s' "${{ matrix.platform }}" | tr '/' '-')" >> "$GITHUB_OUTPUT"

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

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ steps.prep.outputs.owner_lc }}/${{ matrix.image_name }}
          labels: |
            org.opencontainers.image.title=${{ matrix.image_name }}
            org.opencontainers.image.description=${{ matrix.description }}

      - name: Build smoke image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: ${{ matrix.platform }}
          load: true
          tags: codex-smoke/${{ matrix.image_name }}:local
          cache-from: type=gha,scope=${{ matrix.image_name }}-${{ steps.prep.outputs.platform_pair }}

      - name: Smoke test MCP Server image
        if: matrix.image_name == 'gonavi-mcp-server'
        shell: bash
        run: |
          set -euo pipefail
          cid="$(docker run -d -p 8765:8765 -e GONAVI_MCP_HTTP_TOKEN=smoke-token codex-smoke/${{ matrix.image_name }}:local http)"
          trap 'docker rm -f "$cid" >/dev/null 2>&1 || true' EXIT
          for _ in 1 2 3 4 5 6 7 8 9 10; do
            if curl --fail --silent http://127.0.0.1:8765/healthz >/dev/null; then
              exit 0
            fi
            sleep 1
          done
          docker logs "$cid"
          echo "MCP Server image smoke test failed" >&2
          exit 1

      - name: Smoke test Web Server image
        if: matrix.image_name == 'gonavi-web-server'
        shell: bash
        run: |
          set -euo pipefail
          cid="$(docker run -d -p 34116:34116 -e GONAVI_WEB_ADDR=0.0.0.0:34116 codex-smoke/${{ matrix.image_name }}:local web-server)"
          trap 'docker rm -f "$cid" >/dev/null 2>&1 || true' EXIT
          for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
            if curl --fail --silent http://127.0.0.1:34116/__gonavi/healthz >/dev/null; then
              exit 0
            fi
            sleep 1
          done
          docker logs "$cid"
          echo "Web Server image smoke test failed" >&2
          exit 1

      - name: Smoke test build environment image
        if: matrix.image_name == 'gonavi-build-env'
        shell: bash
        run: |
          set -euo pipefail
          docker run --rm codex-smoke/${{ matrix.image_name }}:local \
            bash -lc 'go version && node -v && npm -v && wails version'

      - name: Push by digest
        id: push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          tags: ghcr.io/${{ steps.prep.outputs.owner_lc }}/${{ matrix.image_name }}
          outputs: type=image,push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha,scope=${{ matrix.image_name }}-${{ steps.prep.outputs.platform_pair }}
          cache-to: type=gha,mode=max,scope=${{ matrix.image_name }}-${{ steps.prep.outputs.platform_pair }}

      - name: Export digest
        shell: bash
        run: |
          set -euo pipefail
          mkdir -p "${{ runner.temp }}/digests"
          digest="${{ steps.push.outputs.digest }}"
          touch "${{ runner.temp }}/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.image_name }}-${{ steps.prep.outputs.platform_pair }}
          path: ${{ runner.temp }}/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    name: Publish ${{ matrix.image_name }}
    runs-on: ubuntu-latest
    needs: build
    strategy:
      fail-fast: false
      matrix:
        include:
          - image_name: gonavi-mcp-server
            description: GoNavi MCP Server container image
          - image_name: gonavi-web-server
            description: GoNavi Web Server (browser UI) container image
          - image_name: gonavi-build-env
            description: GoNavi Linux build environment image
    steps:
      - name: Normalize image namespace
        id: vars
        shell: bash
        run: |
          set -euo pipefail
          echo "owner_lc=$(printf '%s' "${GITHUB_REPOSITORY_OWNER}" | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"

      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: ${{ runner.temp }}/digests
          pattern: digests-${{ matrix.image_name }}-*
          merge-multiple: true

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

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ steps.vars.outputs.owner_lc }}/${{ matrix.image_name }}
          flavor: |
            latest=false
          tags: |
            type=raw,value=dev-latest,enable=${{ github.ref == 'refs/heads/dev' }}
            type=sha,format=short,prefix=dev-,enable=${{ github.ref == 'refs/heads/dev' }}
            type=semver,pattern={{version}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
            type=semver,pattern={{major}}.{{minor}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}
          labels: |
            org.opencontainers.image.title=${{ matrix.image_name }}
            org.opencontainers.image.description=${{ matrix.description }}

      - name: Create manifest list and push
        working-directory: ${{ runner.temp }}/digests
        shell: bash
        run: |
          set -euo pipefail
          docker buildx imagetools create \
            $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf 'ghcr.io/${{ steps.vars.outputs.owner_lc }}/${{ matrix.image_name }}@sha256:%s ' *)

      - name: Inspect image
        shell: bash
        run: |
          set -euo pipefail
          docker buildx imagetools inspect "ghcr.io/${{ steps.vars.outputs.owner_lc }}/${{ matrix.image_name }}:${{ steps.meta.outputs.version }}"