trigger:
  branches:
    include:
      - master

pool:
  name: ci-pool-prd

steps:
- script: |
    echo "Running on branch: ${BUILD_SOURCEBRANCH#refs/heads/}"
  displayName: 'Smoke test filesystem access'

- script: |
    cp ~/dbt-ci/.env .

    # Check if it matches the refs/pull/<PR_ID>/merge pattern
    if [[ $BUILD_SOURCEBRANCH =~ ^refs/pull/([0-9]+)/merge$ ]]; then
        POSTGRES_DATABASE="ci_pr_${BASH_REMATCH[1]}"
    else
        POSTGRES_DATABASE="ci_${BUILD_SOURCEBRANCH#refs/heads/}"
    fi

    echo "POSTGRES_DATABASE: $POSTGRES_DATABASE"

    echo "POSTGRES_DATABASE=${POSTGRES_DATABASE}" >> .env
    set -a && source .env && set +a
  displayName: 'Load env'

- script: |
    set -a && source .env && set +a

    psql -h $POSTGRES_HOST -U $POSTGRES_USER -d postgres -c "SELECT 1 FROM pg_database WHERE datname = 'postgres';"
  displayName: 'Smoke test Postgres connection'

- script: |
    set -a && source .env && set +a

    psql -h $POSTGRES_HOST -U $POSTGRES_USER -d postgres -c "CREATE DATABASE ${POSTGRES_DATABASE}"
  displayName: 'Create branch dedicated database'

- script: |
    python3 -m venv venv
    source venv/bin/activate
    pip install -r requirements.txt

  displayName: 'Create python virtual environment'

- script: |
    source venv/bin/activate
    dbt deps

  displayName: 'Install dbt deps'

- script: |
    source venv/bin/activate
    set -a && source .env && set +a

    dbt docs generate

  displayName: 'Run dbt docs'

- script: |
    source venv/bin/activate
    set -a && source .env && set +a

    dbt compile
  displayName: 'Run dbt compile'

- script: |
    set -a && source .env && set +a

    psql -h $POSTGRES_HOST -U $POSTGRES_USER -d postgres -c "DROP DATABASE ${POSTGRES_DATABASE}"
  condition: always()
  displayName: 'Delete branch dedicated database'