generate-sdks

#!/bin/bash

# adapted from https://github.com/square/connect-api-specification/blob/master/generate-sdks

set -eu

target_language="${1:-}"
target_product="${2:-}"

generate_for_language() {
    sdk_name="${2}-${1}"
    output_dir="./swagger-out/$2-$1"
    config_dir="./swagger-config/$2/$1"
    templates_dir="${config_dir}/templates"

    # copy .swagger-codegen-ignore template
    mkdir -p $output_dir
    ignore_template="${templates_dir}/.swagger-codegen-ignore"

    if [ -f "${ignore_template}" ]; then
        cp $ignore_template "${output_dir}/.swagger-codegen-ignore"
    fi

    # select codegen build for first pass
    # note — for marketing-javascript, we need to first generate the sdks
    # on 2.4.7, and subsequently regenerate the APIs only on 2.4.12
    # to fix an issue w/ parameters not showing up.
    codegen_build="swagger-codegen-cli-2.4.12.jar"

    if [ "${sdk_name}" == "marketing-javascript" ]; then
        codegen_build="swagger-codegen-cli-2.4.7.jar"
    fi

    swagger_cmd="java -jar ./codegen/${codegen_build}"

    # generate client library
    $swagger_cmd generate \
        --input-spec "./spec/$2.json" \
        --lang "$1" \
        --config "${config_dir}/config.json" \
        --template-dir $templates_dir \
        --output $output_dir \
        -DapiTests=false

    # handle marketing-javascript
    if [ "${sdk_name}" == "marketing-javascript" ]; then
        codegen_build="swagger-codegen-cli-2.4.12.jar"
        swagger_cmd="java -jar ./codegen/${codegen_build}"

        $swagger_cmd generate \
            --input-spec "./spec/$2.json" \
            --lang "$1" \
            --config "${config_dir}/config.json" \
            --template-dir $templates_dir \
            --output $output_dir \
            -DapiTests=false \
            -Dapis
    fi

    # clean-up SDK output
    rm -rf "${output_dir}/.swagger-codegen"
    rm -rf "${output_dir}/.swagger-codegen-ignore"

    output_root="${output_dir}"

    if [ "${sdk_name}" == "marketing-php" ]; then
        output_root="${output_root}/MailchimpMarketing"
        rm -rf "${output_root}/lib/Model"

        # Copy additional files
        cp "${templates_dir}/ApiClient.php" "${output_root}/lib/ApiClient.php"
    fi

    if [ "${sdk_name}" == "transactional-php" ]; then
        output_root="${output_root}/MailchimpTransactional"
        rm -rf "${output_root}/lib/Model"

        # Copy additional files
        cp "${templates_dir}/ApiClient.php" "${output_root}/lib/ApiClient.php"
    fi

    if [ "${sdk_name}" == "marketing-python" ]; then
        rm -rf "${output_root}/mailchimp_marketing/models"
    fi

    # add additional files to client root dir
    cp ./LICENSE "${output_root}"
    cp ./CHANGELOG.md "${output_root}/CHANGELOG.md"

    rm -f -r "${output_root}/.github"
    mkdir "${output_root}/.github"
    cp ./sdk_pull_request_template.md "${output_root}/.github/PULL_REQUEST_TEMPLATE.md"
}

if [ -n "$target_language" ] && [ -n "$target_product" ]
then
    generate_for_language "$target_language" "$target_product"
elif [ -n "$target_language" ]
then
    generate_for_language "$target_language" "transactional"
    generate_for_language "$target_language" "marketing"
else
    products=$(ls swagger-config)
    for prod in $products
    do
        languages=$(ls "swagger-config/${prod}")
        for lang in $languages
        do
            generate_for_language "$lang" "${prod}"
        done
    done
fi