{{- /*
  Render hook for file-tree code blocks
  Alternative to file-tree shortcode's inner content rendering.
  
  Supported attributes:
  - level: The expand level of the tree (expand all: -1, collapse all: 0, default: 1)
  - folderSlash: Whether to append a trailing "/" to folder names (default: false)
  - ignoreList: List of file or folder names to ignore, separated by commas
  - highlightList: List of file or folder names to highlight, separated by commas
  
  Content format: YAML/JSON/TOML with the following item structure:
    name: string     - The name of the file or folder
    type: string     - Type of item, either "dir" (directory) or "file"
    children?: array - (Optional) Array of child items, only valid for directories
  
  Example usage:
    ```file-tree {level=2 folderSlash=true}
    - name: my-project
      type: dir
      children:
        - name: src
          type: dir
        - name: package.json
          type: file
    ```
*/ -}}

{{- $pageConfig := dict | merge .Page.Params.filetree | merge .Page.Site.Params.filetree -}}
{{- $config := .Attributes | merge $pageConfig -}}
{{- $level := cond (isset $config "level") ($config.level | int) 1 -}}
{{- $folderSlash := $config.folderslash | default false -}}
{{- $ignoreList := union (apply (split (.Attributes.ignorelist | default "") ",") "trim" "." " ") $pageConfig.ignorelist -}}
{{- $highlightList := apply (split (.Attributes.highlightlist | default "") ",") "trim" "." " " -}}

{{- $content := strings.TrimSpace .Inner | default "" -}}
{{- $treeData := slice -}}
{{- with $content -}}
  {{- $treeData = . | unmarshal -}}
  {{- if reflect.IsMap $treeData -}}
    {{- $treeData = $treeData.filetree -}}
  {{- end -}}
{{- end -}}

{{- $options := dict
  "items" $treeData
  "level" $level
  "folderSlash" $folderSlash
  "ignoreList" $ignoreList
  "highlightList" $highlightList
-}}
{{- partial "plugin/file-tree.html" $options -}}