import groovy.transform.Field
import com.sap.piper.Utils
import com.sap.piper.ConfigurationHelper

import static com.sap.piper.Prerequisites.checkScript

@Field String STEP_NAME = getClass().getName()
@Field Set GENERAL_CONFIG_KEYS = []
@Field STAGE_STEP_KEYS = [
    /** Pulls Software Components / Git repositories into the ABAP Environment instance */
    'abapEnvironmentPullGitRepo',
    /** Checks out a Branch in the pulled Software Component on the ABAP Environment instance */
    'abapEnvironmentCheckoutBranch',
    /** Clones Software Components / Git repositories into the ABAP Environment instance and checks out the respective branches */
    'abapEnvironmentCloneGitRepo',
    /** Specifies the strategy that should be peformed on the ABAP Environment instance*/
    'strategy'
]
@Field Set STEP_CONFIG_KEYS = GENERAL_CONFIG_KEYS.plus(STAGE_STEP_KEYS)
@Field Set PARAMETER_KEYS = STEP_CONFIG_KEYS
/**
 * This stage clones Git repositories / software components to the ABAP Environment instance and checks out the master branch
 */
void call(Map parameters = [:]) {
    def script = checkScript(this, parameters) ?: this
    def stageName = parameters.stageName?:env.STAGE_NAME

    Map config = ConfigurationHelper.newInstance(this)
        .loadStepDefaults()
        .mixinGeneralConfig(script.commonPipelineEnvironment, GENERAL_CONFIG_KEYS)
        .mixinStageConfig(script.commonPipelineEnvironment, stageName, STEP_CONFIG_KEYS)
        .mixin(parameters, PARAMETER_KEYS)
        .addIfEmpty('strategy', 'Pull')
        .use()

    piperStageWrapper (script: script, stageName: stageName, stashContent: [], stageLocking: false) {
        switch (config.strategy) {
            case 'Pull':
                abapEnvironmentPullGitRepo script: parameters.script
                break
            case 'Clone':
                abapEnvironmentCloneGitRepo script: parameters.script
                break
            case 'CheckoutPull':
                abapEnvironmentCheckoutBranch script: parameters.script
                abapEnvironmentPullGitRepo script: parameters.script
                break
            case 'AddonBuild':
                abapEnvironmentPullGitRepo script: parameters.script
                abapEnvironmentCheckoutBranch script: parameters.script
                abapEnvironmentPullGitRepo script: parameters.script
                break
            default:
                abapEnvironmentPullGitRepo script: parameters.script
                break
        }
    }

}