#jinja2: lstrip_blocks: True
#!/usr/bin/env groovy
import com.cloudbees.hudson.plugins.folder.Folder
import org.apache.commons.lang3.StringUtils;

// Create a folder in a parent folder
Folder create_folder(def parent_folder, String folder_name) {
    // Actual create method call
    parent_folder.createProject(Folder.class, folder_name)

    // Below is unfortunately needed because createProject() doesn't return the
    // newly created folder. Therefore need to query the full path again to fetch.
    Jenkins jenkins = Jenkins.instance
    String folder_path
    if (parent_folder == jenkins) {
        folder_path = folder_name
    } else {
        folder_path = parent_folder.fullName + "/" + folder_name
    }

    return jenkins.getItemByFullName(folder_path)
}

// Create a folder and its parent folders
Folder create_folder_recursively(String folder_path) {
    // If the folder already exists, return
    Folder jenkins_folder = Jenkins.instance.getItemByFullName(folder_path)
    if (jenkins_folder)
        return jenkins_folder

    String folder_name, parent_path
    def parent_folder

    // If the folder is top level, set parent to Jenkins itself
    if (!folder_path.contains("/")) {
        parent_folder = Jenkins.instance
        folder_name = folder_path
    }
    // If the folder is a sub-folder, recurse to create/fetch the parent folder
    else {
        folder_name = StringUtils.substringAfterLast(folder_path, "/")
        parent_path = StringUtils.substringBeforeLast(folder_path, "/")

        parent_folder = create_folder_recursively(parent_path)
    }

    // Create the folder in the parent folder
    return create_folder(parent_folder, folder_name)
}

// Collect the names of all jobs and credentials
ArrayList<String> names = new ArrayList<String>();
{% for pipeline in pipelines %}
names.add("{{ pipeline.name }}")
{% endfor %}
{% for cred in credential_store %}
names.add("{{ cred.id }}")
{% endfor %}

// Filter to collect the names of all folders
ArrayList<String> folders = new ArrayList<String>();
for (String name : names) {
    if (name.contains("/")) {
        folders.add(StringUtils.substringBeforeLast(name, "/"))
    }
}

// Remove duplicates
folders.unique().sort()

// Create folders and sub-folders
for (String folder_path : folders)
    create_folder_recursively(folder_path)

// Create a folder and its parent folders
// mkdir -p folder_path
Folder create_folder_and_parent_folders(String folder_path) {
    // If the folder already exists, return
    Folder folder = Jenkins.instance.getItemByFullName(folder_path)
    if (folder)
        return folder

    String folder_name, parent_path
    def parent_folder

    // If the folder is top level, set parent to Jenkins itself
    if (!folder_path.contains("/")) {
        parent_folder = Jenkins.instance
        folder_name = folder_path
    }
    // If the folder is a sub-folder, recurse to create/fetch the parent folder
    else {
        parent_path = StringUtils.substringBeforeLast(folder_path, "/")
        parent_folder = create_folder_and_parent_folders(parent_path)
        folder_name = StringUtils.substringAfterLast(folder_path, "/")
    }

    // Create the folder in the parent folder
    return parent_folder.createProject(Folder.class, folder_name)
}