{% extends "base.html" %}

{% block title %}Instances{% endblock %}

{% block page_title %}Workflow Instances{% endblock %}
{% block page_subtitle %}
<p class="mt-1 text-sm text-gray-500">Active and completed workflow executions</p>
{% endblock %}

{% block content %}
<!-- Filters -->
<div class="mb-6 bg-white shadow sm:rounded-lg p-4">
    <form method="get" class="flex flex-wrap gap-4 items-end">
        <div>
            <label for="status" class="block text-sm font-medium text-gray-700">Status</label>
            <select id="status" name="status" class="mt-1 block w-full rounded-md border-gray-300 py-2 pl-3 pr-10 text-base focus:border-primary-500 focus:outline-none focus:ring-primary-500 sm:text-sm">
                <option value="">All statuses</option>
                <option value="running" {% if filters.status == 'running' %}selected{% endif %}>Running</option>
                <option value="waiting" {% if filters.status == 'waiting' %}selected{% endif %}>Waiting</option>
                <option value="completed" {% if filters.status == 'completed' %}selected{% endif %}>Completed</option>
                <option value="failed" {% if filters.status == 'failed' %}selected{% endif %}>Failed</option>
                <option value="canceled" {% if filters.status == 'canceled' %}selected{% endif %}>Canceled</option>
            </select>
        </div>
        <div>
            <label for="workflow" class="block text-sm font-medium text-gray-700">Workflow</label>
            <select id="workflow" name="workflow" class="mt-1 block w-full rounded-md border-gray-300 py-2 pl-3 pr-10 text-base focus:border-primary-500 focus:outline-none focus:ring-primary-500 sm:text-sm">
                <option value="">All workflows</option>
                {% for wf in available_workflows %}
                <option value="{{ wf.name }}" {% if filters.workflow == wf.name %}selected{% endif %}>{{ wf.name }}</option>
                {% endfor %}
            </select>
        </div>
        <div>
            <button type="submit" class="inline-flex items-center px-4 py-2 border border-gray-300 shadow-sm text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                Filter
            </button>
        </div>
    </form>
</div>

<!-- Instance List -->
<div class="bg-white shadow overflow-hidden sm:rounded-md">
    <ul role="list" class="divide-y divide-gray-200">
        {% for instance in instances %}
        <li>
            <a href="{{ url_for('workflow_ui:instance_detail', instance_id=instance.id) }}" class="block hover:bg-gray-50">
                <div class="px-4 py-4 sm:px-6">
                    <div class="flex items-center justify-between">
                        <div class="flex items-center">
                            <div class="flex-shrink-0">
                                {% if instance.status == 'running' %}
                                <div class="h-10 w-10 rounded-full bg-blue-100 flex items-center justify-center">
                                    <svg class="h-5 w-5 text-blue-600 animate-spin" fill="none" viewBox="0 0 24 24">
                                        <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                                        <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                                    </svg>
                                </div>
                                {% elif instance.status == 'completed' %}
                                <div class="h-10 w-10 rounded-full bg-green-100 flex items-center justify-center">
                                    <svg class="h-5 w-5 text-green-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
                                    </svg>
                                </div>
                                {% elif instance.status == 'failed' %}
                                <div class="h-10 w-10 rounded-full bg-red-100 flex items-center justify-center">
                                    <svg class="h-5 w-5 text-red-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
                                    </svg>
                                </div>
                                {% elif instance.status == 'waiting' %}
                                <div class="h-10 w-10 rounded-full bg-yellow-100 flex items-center justify-center">
                                    <svg class="h-5 w-5 text-yellow-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
                                    </svg>
                                </div>
                                {% else %}
                                <div class="h-10 w-10 rounded-full bg-gray-100 flex items-center justify-center">
                                    <svg class="h-5 w-5 text-gray-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636" />
                                    </svg>
                                </div>
                                {% endif %}
                            </div>
                            <div class="ml-4">
                                <p class="text-sm font-medium text-gray-900">
                                    {{ instance.definition_name }}
                                    <span class="text-gray-400 font-normal">/ {{ instance.id[:8] }}...</span>
                                </p>
                                <p class="text-sm text-gray-500">
                                    {% if instance.current_step %}
                                    Current step: <span class="font-medium">{{ instance.current_step }}</span>
                                    {% else %}
                                    No active step
                                    {% endif %}
                                </p>
                            </div>
                        </div>
                        <div class="ml-2 flex flex-shrink-0 items-center space-x-4">
                            <span class="inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-medium
                                {% if instance.status == 'running' %}bg-blue-100 text-blue-800
                                {% elif instance.status == 'completed' %}bg-green-100 text-green-800
                                {% elif instance.status == 'failed' %}bg-red-100 text-red-800
                                {% elif instance.status == 'waiting' %}bg-yellow-100 text-yellow-800
                                {% else %}bg-gray-100 text-gray-800{% endif %}">
                                {{ instance.status }}
                            </span>
                            <span class="text-sm text-gray-500">
                                {{ instance.started_at.strftime('%Y-%m-%d %H:%M') if instance.started_at else 'N/A' }}
                            </span>
                            <svg class="h-5 w-5 text-gray-400" viewBox="0 0 20 20" fill="currentColor">
                                <path fill-rule="evenodd" d="M7.21 14.77a.75.75 0 01.02-1.06L11.168 10 7.23 6.29a.75.75 0 111.04-1.08l4.5 4.25a.75.75 0 010 1.08l-4.5 4.25a.75.75 0 01-1.06-.02z" clip-rule="evenodd" />
                            </svg>
                        </div>
                    </div>
                </div>
            </a>
        </li>
        {% else %}
        <li class="px-4 py-12 text-center">
            <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 13h6m-3-3v6m5 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
            </svg>
            <h3 class="mt-2 text-sm font-medium text-gray-900">No instances</h3>
            <p class="mt-1 text-sm text-gray-500">No workflow instances match your filters.</p>
            <div class="mt-6">
                <a href="{{ url_for('workflow_ui:workflow_list') }}" class="inline-flex items-center px-4 py-2 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-primary-600 hover:bg-primary-700">
                    Start a workflow
                </a>
            </div>
        </li>
        {% endfor %}
    </ul>
</div>

<!-- Pagination -->
{% if pagination.total_pages > 1 %}
<nav class="mt-4 flex items-center justify-between border-t border-gray-200 bg-white px-4 py-3 sm:px-6 rounded-lg shadow">
    <div class="hidden sm:block">
        <p class="text-sm text-gray-700">
            Showing <span class="font-medium">{{ pagination.start }}</span> to <span class="font-medium">{{ pagination.end }}</span> of
            <span class="font-medium">{{ pagination.total }}</span> results
        </p>
    </div>
    <div class="flex flex-1 justify-between sm:justify-end">
        {% if pagination.page > 1 %}
        <a href="?page={{ pagination.page - 1 }}&status={{ filters.status or '' }}&workflow={{ filters.workflow or '' }}"
           class="relative inline-flex items-center rounded-md bg-white px-3 py-2 text-sm font-semibold text-gray-900 ring-1 ring-inset ring-gray-300 hover:bg-gray-50">
            Previous
        </a>
        {% endif %}
        {% if pagination.page < pagination.total_pages %}
        <a href="?page={{ pagination.page + 1 }}&status={{ filters.status or '' }}&workflow={{ filters.workflow or '' }}"
           class="relative ml-3 inline-flex items-center rounded-md bg-white px-3 py-2 text-sm font-semibold text-gray-900 ring-1 ring-inset ring-gray-300 hover:bg-gray-50">
            Next
        </a>
        {% endif %}
    </div>
</nav>
{% endif %}
{% endblock %}