{% import 'input/field.html' as field %}

{# generate methods #}

{% macro generate_container(cont, config) %}
    {% if cont.type == 'vertical' %}
        {{ vertical_container(cont, config) }}
    {% elif cont.type == 'pairs' %}
        {{ pairs_container(cont, config) }}
    {% elif cont.type == 'label' %}
        {{ label_container(cont, config) }}
    {% endif %}
{% endmacro %}

{% macro generate_widget(wid, config, id=none) %}
    {% if wid.type == 'text' %}
        {{ text_widget(wid, config, id=id) }}
    {% elif wid.type == 'label' %}
        {{ label_widget(wid, config) }}
    {% elif wid.type == 'string' %}
        {{ string_widget(wid, config, id=id) }}
    {% elif wid.type == 'textbox' %}
        {{ textbox_widget(wid, config, id=id) }}
    {% elif wid.type == 'list' %}
        {{ list_widget(wid, config, id=id) }}
    {% endif %}
{% endmacro %}

{% macro generate_children(cont, config) %}
    {% for child in cont.children %}
        {% if child.category == 'container' %}
            {{ generate_container(child, config) }}
        {% else %}
            {{ generate_widget(child, config) }}
        {% endif %}
    {% endfor %}

{% endmacro %}

{% macro generate(xmlui, form=true, filters=none, attributes=none) %}
{# generate HTML from XMLUI
    @param xmlui(template_xmlui.XMLUIPanel): xmlui to use
    @param form(bool): if true will generate form elements
    @param filters(dict,none): filters as expected by item_filter
    @param attributes(dict,none): extra attributes to put on named widgets
#}
    {% set config = {'form':form, 'filters':filters or {}, 'attrs': attributes or {}} %}
    {{ generate_container(xmlui.main_cont, config) }}
{% endmacro %}

{% macro generate_table(xmlui_items, fields, formatters, tr_class_fields, on_click) %}
{# generate a HTML table from requested widgets names
    @param xmlui_items(iterable[unicode]): list of xmlui to show (one per row)
    @param fields(tuple[unicode,unicode]): fields to show (name, label)
    @param formatters(dict): dictionary of templates to format values:
        field_name => template
        if no formatter is set (or None is used) for a field, it will be used unmodified.
        current xmlui items will be set as "item" key
    @param tr_class_fields(iterable[unicode]): name of fields to use as class
        class will be "{name}_{value}" where name is field name, and value field value
        all lowercase/stripped
    @param on_click(data_objects.OnClick): thing to do when clicking on a row
#}
    {% if formatters is undefined %}
        {% set formatters = {} %}
    {% endif %}
    <table>
        <thead>
            <tr>
                {% for name,label in fields %}
                    <th>{{ label }}</th>
                {% endfor %}
            </tr>
        </thead>
        <tbody>
            {% for xmlui in xmlui_items %}
                {% set link=on_click.formatUrl(xmlui.widget_value) if on_click.url else none %}
                <tr {{ {'class': xmlui|xmlui_class(tr_class_fields)}|xmlattr }}>

                    {% for name,label in fields %}
                        <td {{ {'class': 'td_'+name}|xmlattr }}>
                            {% for value in xmlui.widgets[name].values %}
                                <a {{ {'href':link}|xmlattr }}>{{ value|adv_format(formatters.get(name),item=xmlui.widget_value) }}</a>
                            {% endfor %}
                        </td>
                    {% endfor %}
                </tr>
            {% endfor %}
        </tbody>
    </table>
{% endmacro %}

{# containers #}

{% macro vertical_container(cont, config) %}
    <div class="xmlui_cont xmlui_cont_vertical">
        {{ generate_children(cont, config) }}
    </div>
{% endmacro %}

{% macro pairs_container(cont, config) %}
    {# TODO: proper impelmentation (do the same as vertical container for now #}
    <div class="xmlui_cont xmlui_cont_vertical">
        {{ generate_children(cont, config) }}
    </div>
{% endmacro %}

{% macro label_container(cont, config) %}
    <div class="xmlui_cont xmlui_cont_vertical">
        {% for child in cont.children %}
            {% if loop.index is odd %}
                {# label #}
                {% if child.type == 'label' %}
                    {% set for_ = ('wid_' + (child.for_name or child.name or '_noname'))|next_gidx %}
                    {{ label_widget(child, config, for=for_) }}
                {% endif %}
            {% else %}
                {# widget #}
                {% set id = ('wid_' + (child.name or '_noname'))|cur_gidx %}
                {{ generate_widget(child, config, id=id) }}
            {% endif %}
        {% endfor %}
    </div>
{% endmacro %}


{# widgets #}

{% macro text_widget(wid, config, id=none) %}
    <p class="xmlui_widget xmlui_text" {{ {'id':id}|xmlattr }}>
        {{- wid|item_filter(config.filters)|default('\u00A0',true) -}}
    </p>
{% endmacro%}

{% macro label_widget(wid, config, for=none) %}
    {% if config.form %}
        <label class="xmlui_widget xmlui_label" {{ {'for':for}|xmlattr }}>
            {{wid|item_filter(config.filters)}}
        </label>
    {% else %}
        <span class="xmlui_widget xmlui_label" {{ {'id':none if not for else 'label_%s'|format(for)}|xmlattr }}>{{wid|item_filter(config.filters)}}</span>
    {% endif %}
{% endmacro%}

{% macro string_widget(wid, config, id=none) %}
    {% if config.form %}
        <input class="xmlui_widget xmlui_string" type="text" {{ {'name':wid.name, 'id':id, 'value':wid|item_filter(config.filters)}|dict_ext(config.attrs, wid.name)|xmlattr }}>
    {% else %}
        <div class="xmlui_widget xmlui_string"  {{ {'id':id}|xmlattr }}>
            {{- wid|item_filter(config.filters)|default('\u00A0',true) -}}
        </div>
    {% endif %}
{% endmacro%}

{% macro textbox_widget(wid, config, id=none) %}
    {% if config.form %}
        <textarea class="xmlui_widget xmlui_textbox" rows="10" cols="50" {{ {'name':wid.name, 'id':id}|dict_ext(config.attrs, wid.name)|xmlattr }}>
            {{- wid|item_filter(config.filters) -}}
        </textarea>
    {% else %}
        <p class="xmlui_widget xmlui_textbox" {{ {'id':id}|xmlattr }}>
            {{- wid|item_filter(config.filters) -}}
        </p>
    {% endif %}
{% endmacro%}

{% macro list_widget(wid, config, id=none) %}
    {% if config.form %}
        <select class="xmlui_widget xmlui_list" {{ {'name':wid.name, 'id':id}|dict_ext(config.attrs, wid.name)|xmlattr }}>
            {% for value,label in wid.options %}
                <option {{ {'value':value}|xmlattr }} {{ 'selected' if value in wid.selected }}>
                    {{- label -}}
                </option>
            {% endfor %}
        </select>
    {% else %}
        <div class="xmlui_widget xmlui_list" {{ {'id':id}|xmlattr }}>
            {% for value,label in wid.items %}
                <span class="xmlui_list_item value_{{value|attr_escape}}">
                    {{- label -}}
                </span>
            {% endfor %}
        </div>
    {% endif %}
{% endmacro%}