name: Install Pico CMS
description: Install Pico CMS to the current working directory

inputs:
    php-version:
        description: PHP version to setup.
        required: true
    php-tools:
        description: Setup additional PHP tools.
        required: false

runs:
    using: "composite"
    steps:
        -   name: Setup PHP ${{ inputs.php-version }}
            uses: shivammathur/setup-php@v2
            with:
                php-version: ${{ inputs.php-version }}
                tools: composer, ${{ inputs.php-tools }}

        -   name: Read Pico version
            shell: bash
            run: |
                PICO_VERSION="$(php -r 'require("./lib/Pico.php"); echo Pico::VERSION;')"
                echo "PICO_VERSION=$PICO_VERSION" | tee -a "$GITHUB_ENV"

        -   name: Setup Composer
            if: ${{ github.ref_type == 'branch' }}
            shell: bash
            run: |
                COMPOSER_ROOT_VERSION=

                if [ -z "$(composer config extra.branch-alias."dev-${GITHUB_HEAD_REF:-GITHUB_REF_NAME}" 2> /dev/null)" ]; then
                    COMPOSER_ROOT_VERSION="$(php -r "
                        require('./lib/Pico.php');
                        echo preg_replace('/\.[0-9]+-dev$/', '.x-dev', Pico::VERSION);
                    ")"
                    echo "COMPOSER_ROOT_VERSION=$COMPOSER_ROOT_VERSION" | tee -a "$GITHUB_ENV"
                fi

        -   name: Get Composer cache directory
            shell: bash
            run: |
                COMPOSER_CACHE_DIR="$(composer config cache-dir)"
                echo "COMPOSER_CACHE_DIR=$COMPOSER_CACHE_DIR" | tee -a "$GITHUB_ENV"

        -   name: Restore Composer cache
            uses: actions/cache@v2
            with:
                path: ${{ env.COMPOSER_CACHE_DIR }}
                key: ${{ runner.os }}-composer-php${{ inputs.php-version }}
                restore-keys: |
                    ${{ runner.os }}-composer-

        -   name: Install Composer dependencies
            shell: bash
            run: |
                composer install