# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: "Tests"
on:
  # schedule:
  #   - cron: "45 2 * * *"
  pull_request:
    branches:
      - master
  workflow_dispatch:
    inputs:
      terraform_version:
        description: "Use '1.5.7' to test last MPLv2 Terraform version"
        required: true
        default: 1.7.4
        type: string

env:
  GOOGLE_APPLICATION_CREDENTIALS: "/home/runner/credentials.json"
  PYTEST_ADDOPTS: "--color=yes"
  PYTHON_VERSION: "3.10"
  TF_PLUGIN_CACHE_DIR: "/home/runner/.terraform.d/plugin-cache"
  TFTEST_COPY: 1
  DEFAULT_TERRAFORM_FLAVOUR: terraform
  DEFAULT_TERRAFORM_VERSION: ${{ inputs.terraform_version || '1.7.4' }}
  DEFAULT_TOFU_VERSION: "1.7.2"

jobs:
  compute-matrix:
    runs-on: ubuntu-latest
    outputs:
      DEFAULT_TERRAFORM_FLAVOUR: ${{ env.DEFAULT_TERRAFORM_FLAVOUR }}
      DEFAULT_TERRAFORM_VERSION: ${{ env.DEFAULT_TERRAFORM_VERSION }}
      DEFAULT_TOFU_VERSION: ${{ env.DEFAULT_TOFU_VERSION }}
    steps:
      - name: dummy
        run: echo

  setup-tf-providers:
    runs-on: ubuntu-latest
    needs:
      - compute-matrix
    strategy:
      matrix:
        include:
          - flavour: terraform
            version: "${{ needs.compute-matrix.outputs.DEFAULT_TERRAFORM_VERSION }}"
          - flavour: tofu
            version: "${{ needs.compute-matrix.outputs.DEFAULT_TOFU_VERSION }}"
    steps:
      - uses: actions/checkout@v4

      - uses: hashicorp/setup-terraform@v3
        if: ${{ matrix.flavour == 'terraform' }}
        with:
          terraform_version: ${{ matrix.version  }}
          terraform_wrapper: false

      - uses: opentofu/setup-opentofu@v1
        if: ${{ matrix.flavour == 'tofu' }}
        with:
          tofu_version: ${{ matrix.version }}
          tofu_wrapper: false

      - name: Build lockfile and fetch providers
        shell: bash
        run: |
          mkdir -p ${{ env.TF_PLUGIN_CACHE_DIR }}
          echo 'plugin_cache_dir = "${{ env.TF_PLUGIN_CACHE_DIR }}"' | tee -a /home/runner/.terraformrc
          echo 'disable_checkpoint = true' | tee -a /home/runner/.terraformrc
          cp default-versions.tf tools/lockfile
          sed -i -e 's/>=\(.*# tftest\)/=\1/g'  tools/lockfile/default-versions.tf

          # change terraform version to the one that is running
          sed -i 's/required_version = .*$/required_version = ">= ${{ matrix.version }}"/g' tools/lockfile/default-versions.tf

          cd tools/lockfile
          ${{ matrix.flavour }} init -upgrade=true

      - name: Upload Terraform provider cache
        uses: actions/cache@v4
        with:
          path: ${{ env.TF_PLUGIN_CACHE_DIR }}
          key: ${{ runner.os }}-${{ matrix.flavour }}-${{ matrix.version }}-${{ hashFiles('tools/lockfile/.terraform.lock.hcl') }}

      - name: Upload lockfile
        uses: actions/upload-artifact@v4
        with:
          name: lockfile-${{ runner.os }}-${{ matrix.flavour }}-${{ matrix.version }}
          path: tools/lockfile/.terraform.lock.hcl
          overwrite: true


  examples-blueprints:
    runs-on: ubuntu-latest
    needs: setup-tf-providers
    steps:
      - uses: actions/checkout@v4

      - name: Call composite action fabric-tests
        uses: ./.github/actions/fabric-tests
        with:
          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
          TERRAFORM_VERSION: ${{ env.DEFAULT_TERRAFORM_VERSION }}
          TERRAFORM_FLAVOUR: ${{ env.DEFAULT_TERRAFORM_FLAVOUR }}

      - name: Run tests on documentation examples
        run: pytest -vv -n4 --tb=line --junit-xml=test-results-raw.xml -k blueprints/ tests/examples

      - name: Create report
        uses: ./.github/actions/post-fabric-tests
        if: always()
        with:
          MODULE: Blueprint Examples

  examples-modules:
    runs-on: ubuntu-latest
    needs:
      - setup-tf-providers
      - compute-matrix
    strategy:
      matrix:
        include:
          - flavour: terraform
            version: "${{ needs.compute-matrix.outputs.DEFAULT_TERRAFORM_VERSION }}"
          - flavour: tofu
            version: "${{ needs.compute-matrix.outputs.DEFAULT_TOFU_VERSION }}"

    steps:
      - uses: actions/checkout@v4

      - name: Call composite action fabric-tests
        uses: ./.github/actions/fabric-tests
        with:
          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
          TERRAFORM_VERSION: ${{ matrix.version }}
          TERRAFORM_FLAVOUR: ${{ matrix.flavour }}

      - name: Run tests on documentation examples
        env:
          TERRAFORM: ${{ matrix.flavour }}
        run: pytest -vv ${{ matrix.flavour == 'terraform' && '-n4' || '-n4' }} --tb=line --junit-xml=test-results-raw.xml -k modules/ tests/examples

      - name: Create report
        uses: ./.github/actions/post-fabric-tests
        if: always()
        with:
          MODULE: Module Examples

  blueprints:
    runs-on: ubuntu-latest
    needs: setup-tf-providers
    steps:
      - uses: actions/checkout@v4

      - name: Call composite action fabric-tests
        uses: ./.github/actions/fabric-tests
        with:
          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
          TERRAFORM_VERSION: ${{ env.DEFAULT_TERRAFORM_VERSION }}
          TERRAFORM_FLAVOUR: ${{ env.DEFAULT_TERRAFORM_FLAVOUR }}

      - name: Run tests environments
        run: pytest -vv -n4 --tb=line --junit-xml=test-results-raw.xml tests/blueprints

      - name: Create report
        uses: ./.github/actions/post-fabric-tests
        if: always()
        with:
          MODULE: Blueprints

  modules:
    runs-on: ubuntu-latest
    needs:
      - setup-tf-providers
      - compute-matrix
    strategy:
      matrix:
        include:
          - flavour: terraform
            version: "${{ needs.compute-matrix.outputs.DEFAULT_TERRAFORM_VERSION }}"
          - flavour: tofu
            version: "${{ needs.compute-matrix.outputs.DEFAULT_TOFU_VERSION }}"

    steps:
      - uses: actions/checkout@v4

      - name: Call composite action fabric-tests
        uses: ./.github/actions/fabric-tests
        env:
          TERRAFORM: ${{ matrix.flavour }}
        with:
          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
          TERRAFORM_VERSION: ${{ matrix.version }}
          TERRAFORM_FLAVOUR: ${{ matrix.flavour }}

      - name: Run tests modules
        env:
          TERRAFORM: ${{ matrix.flavour }}
        run: pytest -vv ${{ matrix.flavour == 'terraform' && '-n4' || '-n4' }} --tb=line --junit-xml=test-results-raw.xml tests/modules

      - name: Create report
        uses: ./.github/actions/post-fabric-tests
        if: always()
        with:
          MODULE: Modules

  fast:
    runs-on: ubuntu-latest
    needs: setup-tf-providers
    steps:
      - uses: actions/checkout@v4

      - name: Call composite action fabric-tests
        uses: ./.github/actions/fabric-tests
        with:
          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
          TERRAFORM_VERSION: ${{ env.DEFAULT_TERRAFORM_VERSION }}
          TERRAFORM_FLAVOUR: ${{ env.DEFAULT_TERRAFORM_FLAVOUR }}

      - name: Run tests on FAST stages
        run: pytest -vv -n4 --tb=line --junit-xml=test-results-raw.xml tests/fast

      - name: Create report
        uses: ./.github/actions/post-fabric-tests
        if: always()
        with:
          MODULE: FAST