{% extends "forms/field.html.twig" %}
{% set defaults = config.plugins.form %}
{% set files = defaults.files|merge(field|default([])) %}
{% set limit = not field.multiple ? 1 : files.limit %}

{% macro bytesToSize(bytes) -%}
    {% spaceless %}
        {% set kilobyte = 1024 %}
        {% set megabyte = kilobyte * 1024 %}
        {% set gigabyte = megabyte * 1024 %}
        {% set terabyte = gigabyte * 1024 %}

        {% if bytes < kilobyte %}
            {{ bytes ~ ' B' }}
        {% elseif bytes < megabyte %}
            {{ (bytes / kilobyte)|number_format(2, '.') ~ ' KB' }}
        {% elseif bytes < gigabyte %}
            {{ (bytes / megabyte)|number_format(2, '.') ~ ' MB' }}
        {% elseif bytes < terabyte %}
            {{ (bytes / gigabyte)|number_format(2, '.') ~ ' GB' }}
        {% else %}
            {{ (bytes / terabyte)|number_format(2, '.') ~ ' TB' }}
        {% endif %}
    {% endspaceless %}
{%- endmacro %}

{% macro preview(path, value, global) %}
    {% if value %}
        {% set uri = global.grav.uri %}
        {% set files = global.files %}
        {% set config = global.grav.config %}
        {% set route = global.context.route() %}
        {% set type =  global.context.content() is not null ? 'pages' : global.plugin ? 'plugins' : global.theme ? 'themes' : 'config' %}
        {% set blueprint_name = global.blueprints.getFilename %}
        {% if type == 'pages' %}
            {% set blueprint_name = type ~ '/' ~ blueprint_name %}
        {% endif %}
        {% set blueprint = base64_encode(blueprint_name) %}
        {% set real_path = global.form.getPagePathFromToken(path) %}
        {% set remove = uri.addNonce(global.base_url_relative ~
        '/media.json' ~
        '/route' ~ config.system.param_sep ~ base64_encode(global.base_path ~ '/' ~ real_path) ~
        '/task' ~ config.system.param_sep ~ 'removeFileFromBlueprint' ~
        '/proute' ~ config.system.param_sep ~ base64_encode(route) ~
        '/blueprint' ~ config.system.param_sep ~ blueprint ~
        '/type' ~ config.system.param_sep ~ type ~
        '/field' ~ config.system.param_sep ~ files.name ~
        '/path' ~ config.system.param_sep ~ base64_encode(value.path), 'admin-form', 'admin-nonce') %}

        {% set file = value|merge({remove: remove, path: (uri.rootUrl == '/' ? '/' : uri.rootUrl ~ '/' ~ real_path) }) %}
        <div class="hidden" data-file="{{ file|json_encode|e('html_attr') }}"></div>
    {% endif %}
{% endmacro %}

{% block input %}
    {% set page_can_upload = exists or (type == 'page' and not exists and not (field.destination starts with '@self' or field.destination starts with 'self@')) %}

    {% set settings = {name: field.name, paramName: (scope ~ field.name)|fieldName ~ (files.multiple ? '[]' : ''), limit: limit, filesize: files.filesize, accept: files.accept} %}
    <div class="form-input-wrapper dropzone files-upload form-input-file {{ field.size }}" data-grav-file-settings="{{ settings|json_encode|e('html_attr') }}">
        <input
                {# required attribute structures #}
                {% block input_attributes %}
                    type="file"
                    {% if files.multiple %}multiple="multiple"{% endif %}
                    {% if files.accept %}accept="{{ files.accept|join(',') }}"{% endif %}
                    {% if field.disabled %}disabled="disabled"{% endif %}
                    {% if field.random_name %}random="true"{% endif %}
                    {{ parent() }}
                {% endblock %}
        />

        {% for path, file in value %}
            {{ _self.preview(path, file, _context) }}
        {% endfor %}
        {% include 'forms/fields/hidden/hidden.html.twig' with {field: {name: '_json.' ~ field.name}, value:value|json_encode|e('html_attr')} %}
    </div>

    {% do assets.addJs('jquery', 101) %}
    {% do assets.addJs('plugin://form/assets/form.min.js', { 'group': 'bottom', 'loading': 'defer' }) %}
    {% do assets.addCss('plugin://form/assets/dropzone.min.css', { 'group': 'form' }) %}
    {{ assets.css('form')|raw }}
    {% do assets.addInlineJs("
    window.GravForm = window.GravForm || {};
    window.GravForm.config = {
        current_url: '" ~ uri.route(true) ~"',
        base_url_relative: '" ~ base_url_relative ~ "',
        param_sep: '"~ config.system.param_sep ~ "',
        form_nonce: '" ~ form.getNonce ~ "',
    };
    window.GravForm.translations = {};
    window.GravForm.translations['PLUGIN_FORM'] = {
        'DROPZONE_CANCEL_UPLOAD': " ~ 'PLUGIN_FORM.DROPZONE_CANCEL_UPLOAD'|t|json_encode ~ ",
        'DROPZONE_CANCEL_UPLOAD_CONFIRMATION': " ~ 'PLUGIN_FORM.DROPZONE_CANCEL_UPLOAD_CONFIRMATION'|t|json_encode ~ ",
        'DROPZONE_DEFAULT_MESSAGE': " ~ 'PLUGIN_FORM.DROPZONE_DEFAULT_MESSAGE'|t|json_encode ~ ",
        'DROPZONE_FALLBACK_MESSAGE': " ~ 'PLUGIN_FORM.DROPZONE_FALLBACK_MESSAGE'|t|json_encode ~ ",
        'DROPZONE_FALLBACK_TEXT': " ~ 'PLUGIN_FORM.DROPZONE_FALLBACK_TEXT'|t|json_encode ~ ",
        'DROPZONE_FILE_TOO_BIG': " ~ 'PLUGIN_FORM.DROPZONE_FILE_TOO_BIG'|t|json_encode ~ ",
        'DROPZONE_INVALID_FILE_TYPE': " ~ 'PLUGIN_FORM.DROPZONE_INVALID_FILE_TYPE'|t|json_encode ~ ",
        'DROPZONE_MAX_FILES_EXCEEDED': " ~ 'PLUGIN_FORM.DROPZONE_MAX_FILES_EXCEEDED'|t|json_encode ~ ",
        'DROPZONE_REMOVE_FILE': " ~ 'PLUGIN_FORM.DROPZONE_REMOVE_FILE'|t|json_encode ~ ",
        'DROPZONE_REMOVE_FILE_CONFIRMATION': " ~ 'PLUGIN_FORM.DROPZONE_REMOVE_FILE_CONFIRMATION'|t|json_encode ~ ",
        'DROPZONE_RESPONSE_ERROR': " ~ 'PLUGIN_FORM.DROPZONE_RESPONSE_ERROR'|t|json_encode ~ "
    };
    ", { 'group': 'bottom' }) %}
{% endblock %}