{% extends 'base.html' %}
{% load static %}

{% block title %}Workflows - NetCop AI Agent{% endblock %}

{% block content %}
<div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem;">
    <h1>Workflows</h1>
    <a href="/dashboard/" class="btn btn-secondary">← Back to Dashboard</a>
</div>

<!-- Workflow Trigger Form -->
<div class="card">
    <div class="card-header">
        <h3 class="card-title">Trigger Workflow</h3>
        <p style="color: var(--gray-600); margin: 0;">
            Execute n8n workflows with custom data. Each execution costs $0.10.
        </p>
    </div>
    
    <div style="background: var(--gray-50); padding: 1rem; border-radius: 4px; margin-bottom: 1.5rem;">
        <div style="display: flex; justify-content: space-between; align-items: center;">
            <span style="font-weight: 500;">Current Balance:</span>
            <span style="font-size: 1.25rem; font-weight: 600;" id="walletBalance">$0.00</span>
        </div>
        <div style="font-size: 0.875rem; color: var(--gray-600); margin-top: 0.5rem;">
            Sufficient for <span id="executionsRemaining">0</span> workflow executions
        </div>
    </div>
    
    <form id="workflowForm">
        <div class="form-group">
            <label for="workflow_name" class="form-label">Workflow Name</label>
            <input 
                type="text" 
                id="workflow_name" 
                name="workflow_name" 
                class="form-input" 
                required
                placeholder="my-workflow"
                pattern="[a-zA-Z0-9-_]+"
                title="Only letters, numbers, hyphens, and underscores allowed"
            >
            <div style="font-size: 0.875rem; color: var(--gray-600); margin-top: 0.25rem;">
                This should match your n8n webhook endpoint name
            </div>
        </div>
        
        <div class="form-group">
            <label for="workflow_data" class="form-label">Workflow Data (JSON)</label>
            <textarea 
                id="workflow_data" 
                name="workflow_data" 
                class="form-input form-textarea" 
                placeholder='{"key": "value", "message": "Hello World"}'
                style="font-family: 'Monaco', 'Consolas', monospace; font-size: 0.875rem;"
            ></textarea>
            <div style="font-size: 0.875rem; color: var(--gray-600); margin-top: 0.25rem;">
                Optional: Custom data to pass to your workflow (must be valid JSON)
            </div>
        </div>
        
        <div style="display: flex; gap: 1rem; align-items: center;">
            <button type="submit" class="btn btn-primary">
                Execute Workflow ($0.10)
            </button>
            <button type="button" onclick="validateJSON()" class="btn btn-secondary">
                Validate JSON
            </button>
        </div>
    </form>
</div>

<!-- Workflow History -->
<div class="card">
    <div class="card-header">
        <h3 class="card-title">Execution History</h3>
    </div>
    
    <div id="workflowHistory">
        <p style="text-align: center; color: var(--gray-600); padding: 2rem;">Loading workflow history...</p>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', async () => {
    if (!requireAuth()) return;
    
    await loadWorkflowData();
    
    // Set up workflow form
    handleFormSubmit('#workflowForm', async (data) => {
        // Validate JSON if provided
        let workflowData = {};
        if (data.workflow_data.trim()) {
            try {
                workflowData = JSON.parse(data.workflow_data);
            } catch (error) {
                throw new Error('Invalid JSON data. Please check your syntax.');
            }
        }
        
        const response = await api.post(`/workflows/trigger/${data.workflow_name}/`, {
            data: workflowData
        });
        
        if (response.success) {
            showMessage(`Workflow "${data.workflow_name}" executed successfully!`, 'success');
        } else {
            showMessage(`Workflow failed: ${response.error || 'Unknown error'}`, 'error');
        }
        
        // Reset form and reload data
        document.getElementById('workflowForm').reset();
        await loadWorkflowData();
    });
});

async function loadWorkflowData() {
    try {
        // Load user profile for balance
        const profile = await api.get('/auth/profile/');
        const balance = parseFloat(profile.wallet_balance);
        const executionsRemaining = Math.floor(balance / 0.10);
        
        document.getElementById('walletBalance').textContent = formatCurrency(balance);
        document.getElementById('executionsRemaining').textContent = executionsRemaining;

        // Load workflow history
        const workflows = await api.get('/workflows/history/');
        displayWorkflowHistory(workflows);

    } catch (error) {
        showMessage('Failed to load workflow data: ' + error.message, 'error');
    }
}

function displayWorkflowHistory(workflows) {
    const container = document.getElementById('workflowHistory');
    
    if (workflows.length === 0) {
        container.innerHTML = '<p style="text-align: center; color: var(--gray-600); padding: 2rem;">No workflows executed yet</p>';
        return;
    }

    const tableHTML = `
        <table class="table">
            <thead>
                <tr>
                    <th>Workflow</th>
                    <th>Status</th>
                    <th>Fee</th>
                    <th>Date</th>
                    <th>Actions</th>
                </tr>
            </thead>
            <tbody>
                ${workflows.map(workflow => `
                    <tr>
                        <td style="font-weight: 500;">${workflow.workflow_name}</td>
                        <td>
                            <span style="font-size: 0.75rem; padding: 0.25rem 0.5rem; border-radius: 12px; background: ${getStatusBg(workflow.status)}; text-transform: capitalize;">
                                ${getStatusIcon(workflow.status)} ${workflow.status}
                            </span>
                        </td>
                        <td style="font-weight: 600;">${formatCurrency(workflow.fee_charged)}</td>
                        <td style="color: var(--gray-600); font-size: 0.875rem;">
                            ${formatDate(workflow.created_at)}
                        </td>
                        <td>
                            <button onclick="showWorkflowDetails('${workflow.id}')" class="btn btn-secondary" style="font-size: 0.75rem; padding: 0.25rem 0.5rem;">
                                Details
                            </button>
                        </td>
                    </tr>
                `).join('')}
            </tbody>
        </table>
    `;
    
    container.innerHTML = tableHTML;
}

function getStatusIcon(status) {
    switch (status) {
        case 'success': return '✅';
        case 'failed': return '❌';
        case 'pending': return '⏳';
        default: return '📝';
    }
}

function getStatusBg(status) {
    switch (status) {
        case 'success': return 'var(--gray-100)';
        case 'failed': return 'var(--gray-200)';
        case 'pending': return 'var(--gray-50)';
        default: return 'var(--gray-100)';
    }
}

function validateJSON() {
    const textarea = document.getElementById('workflow_data');
    const data = textarea.value.trim();
    
    if (!data) {
        showMessage('JSON data is empty - this is valid for workflows that don\'t need input data.', 'success');
        return;
    }
    
    try {
        JSON.parse(data);
        showMessage('JSON is valid!', 'success');
    } catch (error) {
        showMessage('Invalid JSON: ' + error.message, 'error');
        textarea.focus();
    }
}

async function showWorkflowDetails(workflowId) {
    try {
        const workflows = await api.get('/workflows/history/');
        const workflow = workflows.find(w => w.id === workflowId);
        
        if (!workflow) {
            showMessage('Workflow not found', 'error');
            return;
        }
        
        const details = `
            <div style="background: var(--white); border: 1px solid var(--gray-300); border-radius: 8px; padding: 1.5rem; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); max-width: 600px; width: 90%; max-height: 80vh; overflow-y: auto; z-index: 1000; box-shadow: var(--shadow-lg);">
                <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; border-bottom: 1px solid var(--gray-200); padding-bottom: 1rem;">
                    <h3 style="margin: 0;">Workflow Details</h3>
                    <button onclick="closeModal()" style="background: none; border: none; font-size: 1.5rem; cursor: pointer;">&times;</button>
                </div>
                
                <div style="margin-bottom: 1rem;">
                    <strong>Name:</strong> ${workflow.workflow_name}<br>
                    <strong>Status:</strong> ${workflow.status}<br>
                    <strong>Fee:</strong> ${formatCurrency(workflow.fee_charged)}<br>
                    <strong>Date:</strong> ${formatDate(workflow.created_at)}
                </div>
                
                ${workflow.request_data ? `
                    <div style="margin-bottom: 1rem;">
                        <strong>Request Data:</strong>
                        <pre style="background: var(--gray-50); padding: 1rem; border-radius: 4px; overflow-x: auto; font-size: 0.875rem;">${JSON.stringify(workflow.request_data, null, 2)}</pre>
                    </div>
                ` : ''}
                
                ${workflow.response_data ? `
                    <div style="margin-bottom: 1rem;">
                        <strong>Response Data:</strong>
                        <pre style="background: var(--gray-50); padding: 1rem; border-radius: 4px; overflow-x: auto; font-size: 0.875rem;">${JSON.stringify(workflow.response_data, null, 2)}</pre>
                    </div>
                ` : ''}
                
                ${workflow.error_message ? `
                    <div style="margin-bottom: 1rem;">
                        <strong>Error:</strong>
                        <div style="background: var(--gray-100); padding: 1rem; border-radius: 4px; color: var(--gray-800);">${workflow.error_message}</div>
                    </div>
                ` : ''}
            </div>
            <div onclick="closeModal()" style="position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 999;"></div>
        `;
        
        document.body.insertAdjacentHTML('beforeend', details);
        
    } catch (error) {
        showMessage('Failed to load workflow details: ' + error.message, 'error');
    }
}

function closeModal() {
    const modals = document.querySelectorAll('[style*="z-index: 1000"], [style*="z-index: 999"]');
    modals.forEach(modal => modal.remove());
}
</script>
{% endblock %}