{#
  Input Macros
  ============
  Reusable input components with Alpine.js integration.

  Usage:
    {% from 'shared/macros/inputs.html' import search_autocomplete %}

    {{ search_autocomplete(
        search_var='userSearchQuery',
        results_var='userSearchResults',
        show_dropdown_var='showUserDropdown',
        loading_var='searchingUsers',
        disabled_var='transferring',
        select_action='selectUser(user)',
        display_field='username',
        secondary_field='email',
        placeholder='Search by name or email...'
    ) }}
#}


{#
  Search Autocomplete
  ===================
  A search input with dropdown results for autocomplete functionality.

  Parameters:
    - search_var: Alpine.js variable for search query (required)
    - results_var: Alpine.js variable containing search results array (required)
    - show_dropdown_var: Alpine.js variable controlling dropdown visibility (required)
    - loading_var: Alpine.js variable for loading state (default: 'searching')
    - disabled_var: Alpine.js variable for disabled state (default: none)
    - search_action: Alpine.js action on input (default: 'search()')
    - select_action: Alpine.js action when item selected, receives 'item' (required)
    - selected_check: Alpine.js expression to check if item is selected (optional)
    - display_field: Field name for primary display text (default: 'name')
    - secondary_field: Field name for secondary text (optional)
    - id_field: Field name for item ID (default: 'id')
    - placeholder: Input placeholder text (default: 'Search...')
    - min_chars: Minimum characters before showing results (default: 2)
    - no_results_text: Text when no results found (default: 'No results found')
    - loading_text: Text while loading (default: 'Searching...')
#}
{% macro search_autocomplete(
    search_var,
    results_var,
    show_dropdown_var,
    loading_var='searching',
    disabled_var=none,
    search_action='search()',
    select_action='selectItem(item)',
    selected_check=none,
    display_field='name',
    secondary_field=none,
    id_field='id',
    placeholder='Search...',
    min_chars=2,
    no_results_text='No results found',
    loading_text='Searching...'
) %}
<div class="relative">
    <input
        type="text"
        x-model="{{ search_var }}"
        @input="{{ search_action }}"
        @focus="{{ show_dropdown_var }} = true"
        {% if disabled_var %}:disabled="{{ disabled_var }}"{% endif %}
        placeholder="{{ placeholder }}"
        class="block w-full mt-1 text-sm dark:text-gray-300 dark:border-gray-600 dark:bg-gray-700 focus:border-purple-400 focus:outline-none focus:shadow-outline-purple dark:focus:shadow-outline-gray form-input"
    >

    {# Search Results Dropdown #}
    <div
        x-show="{{ show_dropdown_var }} && {{ results_var }}.length > 0"
        x-cloak
        @click.away="{{ show_dropdown_var }} = false"
        class="absolute z-10 w-full mt-1 bg-white dark:bg-gray-700 border border-gray-300 dark:border-gray-600 rounded-lg shadow-lg max-h-48 overflow-y-auto"
    >
        <template x-for="item in {{ results_var }}" :key="item.{{ id_field }}">
            <button
                type="button"
                @click="{{ select_action }}"
                class="w-full px-4 py-2 text-left text-sm hover:bg-purple-50 dark:hover:bg-gray-600 focus:outline-none"
                {% if selected_check %}:class="{ 'bg-purple-50 dark:bg-gray-600': {{ selected_check }} }"{% endif %}
            >
                <div class="font-medium text-gray-700 dark:text-gray-200" x-text="item.{{ display_field }}"></div>
                {% if secondary_field %}
                <div class="text-xs text-gray-500 dark:text-gray-400" x-text="item.{{ secondary_field }}"></div>
                {% endif %}
            </button>
        </template>
    </div>

    {# No Results #}
    <div
        x-show="{{ show_dropdown_var }} && {{ search_var }}.length >= {{ min_chars }} && {{ results_var }}.length === 0 && !{{ loading_var }}"
        class="absolute z-10 w-full mt-1 px-4 py-2 bg-white dark:bg-gray-700 border border-gray-300 dark:border-gray-600 rounded-lg shadow-lg text-sm text-gray-500 dark:text-gray-400"
    >
        {{ no_results_text }}
    </div>

    {# Loading #}
    <div
        x-show="{{ loading_var }}"
        class="absolute z-10 w-full mt-1 px-4 py-2 bg-white dark:bg-gray-700 border border-gray-300 dark:border-gray-600 rounded-lg shadow-lg text-sm text-gray-500 dark:text-gray-400"
    >
        <span x-html="$icon('spinner', 'w-4 h-4 inline mr-2')"></span>
        {{ loading_text }}
    </div>
</div>
{% endmacro %}


{#
  Selected Item Display
  =====================
  A display component for showing the currently selected item with clear button.

  Parameters:
    - selected_var: Alpine.js variable containing selected item (required)
    - display_field: Field name for primary display text (default: 'name')
    - secondary_field: Field name for secondary text (optional)
    - clear_action: Alpine.js action to clear selection (required)
    - label: Label text before the selection (default: 'Selected:')
#}
{% macro selected_item_display(
    selected_var,
    display_field='name',
    secondary_field=none,
    clear_action='clearSelection()',
    label='Selected:'
) %}
<div x-show="{{ selected_var }}" class="mt-2 p-2 bg-purple-50 dark:bg-purple-900 rounded-lg text-sm">
    <span class="text-purple-700 dark:text-purple-300">
        {{ label }} <strong x-text="{{ selected_var }}?.{{ display_field }}"></strong>
        {% if secondary_field %}
        (<span x-text="{{ selected_var }}?.{{ secondary_field }}"></span>)
        {% endif %}
    </span>
    <button type="button" @click="{{ clear_action }}" class="ml-2 text-purple-600 hover:text-purple-800 dark:text-purple-400">
        <span x-html="$icon('x', 'w-4 h-4 inline')"></span>
    </button>
</div>
{% endmacro %}


{#
  Number Stepper
  ==============
  A number input with +/- buttons for incrementing/decrementing values.
  Useful for quantity selectors in carts, product pages, batch sizes, etc.

  Parameters:
    - model: Alpine.js x-model variable (required)
    - min: Minimum allowed value (default: 1)
    - max: Maximum allowed value (default: none - unlimited)
    - step: Increment/decrement step (default: 1)
    - size: 'sm' | 'md' | 'lg' (default: 'md')
    - disabled_var: Alpine.js variable for disabled state (optional)
    - name: Input name for form submission (optional)
    - id: Input id attribute (optional)
    - label: Accessible label for screen readers (default: 'Quantity')

  Usage:
    {{ number_stepper(model='quantity', min=1, max=99) }}
    {{ number_stepper(model='cart.items[index].qty', min=1, max='item.stock', size='sm') }}
    {{ number_stepper(model='batchSize', min=100, max=5000, step=100, size='lg') }}
#}
{% macro number_stepper(
    model,
    min=1,
    max=none,
    step=1,
    size='md',
    disabled_var=none,
    name=none,
    id=none,
    label='Quantity'
) %}
{% set sizes = {
    'sm': {
        'btn': 'px-2 py-1',
        'input': 'px-2 py-1 text-xs w-12',
        'icon': 'w-3 h-3'
    },
    'md': {
        'btn': 'px-3 py-2',
        'input': 'px-3 py-2 text-sm w-16',
        'icon': 'w-4 h-4'
    },
    'lg': {
        'btn': 'px-4 py-3',
        'input': 'px-4 py-3 text-base w-20',
        'icon': 'w-5 h-5'
    }
} %}
{% set s = sizes[size] %}
<div class="flex" role="group" aria-label="{{ label }}">
    <button
        type="button"
        @click="{{ model }} = Math.max({{ min }}, {{ model }} - {{ step }})"
        {% if disabled_var %}:disabled="{{ disabled_var }}"{% endif %}
        {% if max %}:disabled="{{ model }} <= {{ min }}"{% endif %}
        class="{{ s.btn }} text-sm font-medium text-gray-700 dark:text-gray-300 bg-gray-100 dark:bg-gray-600 border border-gray-300 dark:border-gray-600 border-r-0 rounded-l-md hover:bg-gray-200 dark:hover:bg-gray-500 focus:outline-none focus:ring-2 focus:ring-purple-500 focus:z-10 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
        aria-label="Decrease {{ label|lower }}"
    >
        <span x-html="$icon('minus', '{{ s.icon }}')"></span>
    </button>
    <input
        type="number"
        x-model.number="{{ model }}"
        {% if name %}name="{{ name }}"{% endif %}
        {% if id %}id="{{ id }}"{% endif %}
        min="{{ min }}"
        {% if max %}:max="{{ max }}" max="{{ max }}"{% endif %}
        step="{{ step }}"
        {% if disabled_var %}:disabled="{{ disabled_var }}"{% endif %}
        class="no-spinner {{ s.input }} text-center text-gray-700 dark:text-gray-300 bg-white dark:bg-gray-700 border-y border-gray-300 dark:border-gray-600 focus:border-purple-400 focus:outline-none focus:ring-2 focus:ring-purple-500 focus:z-10"
        aria-label="{{ label }}"
    />
    <button
        type="button"
        @click="{{ model }} = {% if max %}Math.min({{ max }}, {{ model }} + {{ step }}){% else %}{{ model }} + {{ step }}{% endif %}"
        {% if disabled_var %}:disabled="{{ disabled_var }}"{% endif %}
        {% if max %}:disabled="{{ model }} >= {{ max }}"{% endif %}
        class="{{ s.btn }} text-sm font-medium text-gray-700 dark:text-gray-300 bg-gray-100 dark:bg-gray-600 border border-gray-300 dark:border-gray-600 border-l-0 rounded-r-md hover:bg-gray-200 dark:hover:bg-gray-500 focus:outline-none focus:ring-2 focus:ring-purple-500 focus:z-10 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
        aria-label="Increase {{ label|lower }}"
    >
        <span x-html="$icon('plus', '{{ s.icon }}')"></span>
    </button>
</div>
{% endmacro %}


{#
  Vendor Selector (Tom Select)
  ============================
  An async searchable vendor selector using Tom Select.
  Searches vendors by name and code with autocomplete.

  Prerequisites:
    - Tom Select CSS/JS must be loaded (included in admin/base.html)
    - vendor-selector.js must be loaded

  Parameters:
    - ref_name: Alpine.js x-ref name for the select element (default: 'vendorSelect')
    - id: HTML id attribute (default: 'vendor-select')
    - placeholder: Placeholder text (default: 'Search vendor by name or code...')
    - width: CSS width class (default: 'w-80')
    - on_init: JS callback name when Tom Select is initialized (optional)

  Usage:
    {% from 'shared/macros/inputs.html' import vendor_selector %}

    {{ vendor_selector(
        ref_name='vendorSelect',
        placeholder='Select a vendor...',
        width='w-96'
    ) }}

    // In your Alpine.js component init():
    this.$nextTick(() => {
        initVendorSelector(this.$refs.vendorSelect, {
            onSelect: (vendor) => this.onVendorSelected(vendor),
            onClear: () => this.onVendorCleared()
        });
    });
#}
{% macro vendor_selector(
    ref_name='vendorSelect',
    id='vendor-select',
    placeholder='Search vendor by name or code...',
    width='w-80'
) %}
<div class="{{ width }}">
    <select
        id="{{ id }}"
        x-ref="{{ ref_name }}"
        placeholder="{{ placeholder }}"
        aria-label="Vendor selector"
    ></select>
</div>
{% endmacro %}


{#
  Toggle Switch
  =============
  A toggle switch component for binary options (on/off, monthly/annual, etc.)
  with optional labels on both sides.

  Parameters:
    - model: Alpine.js x-model variable (required)
    - left_label: Label for the "off" state (optional)
    - right_label: Label for the "on" state (optional)
    - right_badge: Small badge/extra text for right label (optional)
    - size: 'sm' | 'md' | 'lg' (default: 'md')
    - color: Tailwind color name for active state (default: 'indigo')

  Usage:
    {{ toggle_switch(model='annual', left_label='Monthly', right_label='Annual', right_badge='Save 2 months') }}
    {{ toggle_switch(model='darkMode', size='sm') }}
#}
{% macro toggle_switch(
    model,
    left_label=none,
    right_label=none,
    right_badge=none,
    size='md',
    color='indigo'
) %}
{% set sizes = {
    'sm': {'track': 'w-10 h-5', 'thumb': 'w-4 h-4', 'translate': 'translate-x-5', 'text': 'text-sm'},
    'md': {'track': 'w-14 h-7', 'thumb': 'w-5 h-5', 'translate': 'translate-x-7', 'text': 'text-base'},
    'lg': {'track': 'w-16 h-8', 'thumb': 'w-6 h-6', 'translate': 'translate-x-8', 'text': 'text-lg'}
} %}
{% set s = sizes[size] %}
<div class="inline-flex items-center gap-3">
    {% if left_label %}
    <span class="{{ s.text }} text-gray-700 dark:text-gray-300 select-none"
          :class="{ 'font-semibold': !{{ model }} }">{{ left_label }}</span>
    {% endif %}

    <button type="button"
            @click="{{ model }} = !{{ model }}"
            role="switch"
            :aria-checked="{{ model }}"
            class="{{ s.track }} relative inline-flex items-center rounded-full transition-colors duration-200 focus:outline-none focus:ring-2 focus:ring-{{ color }}-500 focus:ring-offset-2"
            :class="{{ model }} ? 'bg-{{ color }}-600' : 'bg-gray-300 dark:bg-gray-600'">
        <span class="{{ s.thumb }} absolute left-0.5 bg-white rounded-full shadow-md transition-transform duration-200"
              :class="{{ model }} ? '{{ s.translate }}' : 'translate-x-0'"></span>
    </button>

    {% if right_label %}
    <span class="{{ s.text }} text-gray-700 dark:text-gray-300 select-none"
          :class="{ 'font-semibold': {{ model }} }">
        {{ right_label }}
        {% if right_badge %}
        <span class="text-green-600 dark:text-green-400 text-sm font-medium ml-1">{{ right_badge }}</span>
        {% endif %}
    </span>
    {% endif %}
</div>
{% endmacro %}