parameters:
- name: WithCache
  displayName: Build with Cache
  type: boolean
  default: false

# if WithCahe is false, the following parameters are not used.
- name: Today
  type: string
  default: ""

- name: AdditionalKey
  type: string
  default: ""

- name: CacheDir
  type: string
  default: ""

- name: Arguments
  type: string

- name: DisplayName
  type: string

steps:
  - ${{if eq(parameters.WithCache, true)}}:
    - task: Cache@2
      inputs:
        ${{if eq(variables['Build.SourceBranchName'], 'merge')}}:
          key: ' "${{parameters.TODAY}}" |  ${{parameters.AdditionalKey}}  | merge '
        ${{else}}:
          key: '"${{parameters.TODAY}}" |  ${{parameters.AdditionalKey}}  | $(Build.SourceVersion) '
        path: ${{parameters.CacheDir}}
        restoreKeys: |
          "${{parameters.TODAY}}" |  ${{parameters.AdditionalKey}}
      displayName: Cache Task
    - script: |
        set -e -x
        pushd '$(Build.SourcesDirectory)/cmake/external/emsdk'
        source ./emsdk_env.sh
        export PATH=$(Build.SourcesDirectory)/cmake/external/emsdk/:$PATH
        export PATH=$(Build.SourcesDirectory)/cmake/external/emsdk/ccache/git-emscripten_64bit/bin:$PATH
        echo $PATH
        ccache -s
        ccache -z
        export EM_CONFIG="$(Build.SourcesDirectory)/cmake/external/emsdk/.emscripten"

        popd
        pushd '$(Build.BinariesDirectory)'
        python3 '$(Build.SourcesDirectory)/tools/ci_build/build.py' ${{parameters.Arguments}}
        ret=$?
        if [ $ret -ne 0 ]; then
            echo "Build failed with error code $ret"
            exit 1
        fi
        ccache -s
        popd
      displayName: ${{parameters.DisplayName}}
      env:
        CCACHE_SLOPPINESS: include_file_ctime,include_file_mtime,time_macros
        CCACHE_DIR: ${{parameters.CacheDir}}
        _EMCC_CCACHE: 1
        EM_COMPILER_WRAPPER: ccache
        EM_DIR: '$(Build.SourcesDirectory)/cmake/external/emsdk/upstream/emscripten'

  - ${{if eq(parameters.WithCache, false)}}:
    - script: |
        set -e -x
        source $(Build.SourcesDirectory)/cmake/external/emsdk/emsdk_env.sh
        cd '$(Build.BinariesDirectory)'
        python3 '$(Build.SourcesDirectory)/tools/ci_build/build.py' ${{parameters.Arguments}}
      displayName: ${{parameters.DisplayName}}