{% extends "base.html" %}
{% load static i18n %}

{% block title %}{% trans "Delete Application" %} - {{ block.super }}{% endblock %}

{% block customCSS %}
<style>
    /* KAAT-S UI Variables */
    :root {
        --kaauh-teal: #00636e;
        --kaauh-teal-dark: #004a53;
        --kaauh-border: #eaeff3;
        --kaauh-primary-text: #343a40;
        --kaauh-danger: #dc3545;
        --kaauh-warning: #ffc107;
    }

    /* Main Container & Card Styling */
    .kaauh-card {
        border: 1px solid var(--kaauh-border);
        border-radius: 0.75rem;
        box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        background-color: white;
    }

    /* Warning Section */
    .warning-section {
        background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
        border: 1px solid #ffeeba;
        border-radius: 0.75rem;
        padding: 2rem;
        margin-bottom: 2rem;
        text-align: center;
    }

    .warning-icon {
        font-size: 4rem;
        color: var(--kaauh-warning);
        margin-bottom: 1rem;
    }

    .warning-title {
        color: #856404;
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .warning-text {
        color: #856404;
        margin-bottom: 0;
    }

    /* Info Card */
    .app-info {
        background-color: #f8f9fa;
        border-radius: 0.75rem;
        padding: 1.5rem;
        margin-bottom: 2rem;
        border: 1px solid var(--kaauh-border);
    }

    .info-item {
        display: flex;
        align-items: center;
        margin-bottom: 1rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid #e9ecef;
    }

    .info-item:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }

    .info-icon {
        width: 40px;
        height: 40px;
        background-color: var(--kaauh-teal);
        color: white;
        border-radius: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 1rem;
        flex-shrink: 0;
    }

    .info-content {
        flex: 1;
    }

    .info-label {
        font-weight: 600;
        color: var(--kaauh-primary-text);
        margin-bottom: 0.25rem;
        font-size: 0.875rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .info-value {
        color: #6c757d;
        font-size: 1rem;
    }

    /* Button Styling */
    .btn-danger {
        background-color: var(--kaauh-danger);
        border-color: var(--kaauh-danger);
        color: white;
        font-weight: 600;
        transition: all 0.2s ease;
    }
    .btn-danger:hover {
        background-color: #c82333;
        border-color: #bd2130;
        box-shadow: 0 4px 8px rgba(220, 53, 69, 0.3);
    }

    .btn-secondary {
        background-color: #6c757d;
        border-color: #6c757d;
        color: white;
        font-weight: 600;
    }

    /* Consequence List */
    .consequence-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .consequence-list li {
        padding: 0.5rem 0;
        border-bottom: 1px solid #e9ecef;
        color: #6c757d;
    }

    .consequence-list li:last-child {
        border-bottom: none;
    }

    .consequence-list li i {
        color: var(--kaauh-danger);
        margin-right: 0.5rem;
    }

    /* Candidate Info Style */
    .candidate-avatar {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid var(--kaauh-teal);
    }

    .avatar-placeholder {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background-color: #e9ecef;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 3px solid var(--kaauh-teal);
    }
    
    /* Heroicon adjustments to match font-awesome size */
    .heroicon {
        width: 1.2em; 
        height: 1.2em;
        vertical-align: -0.125em;
    }
</style>
{% endblock %}

{% block content %}
<div class="container-fluid py-4">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-1" style="color: var(--kaauh-teal-dark); font-weight: 700;">
                <i class="fas fa-exclamation-triangle me-2"></i>
                {% trans "Delete Application" %}
            </h1>
            <p class="text-muted mb-0">
                {% trans "You are about to delete an Application record. This action cannot be undone." %}
            </p>
        </div>
        {# Assuming application_detail URL takes object.pk or object.slug #}
        <a href="{% url 'application_detail' object.pk %}" class="btn btn-secondary">
            <i class="fas fa-arrow-left me-1"></i> {% trans "Back to Application" %}
        </a>
    </div>

    <div class="row justify-content-center">
        <div class="col-lg-8">
            <div class="warning-section">
                <div class="warning-icon">
                    <i class="fas fa-exclamation-triangle"></i>
                </div>
                <h3 class="warning-title">{% trans "Warning: This action cannot be undone!" %}</h3>
                <p class="warning-text">
                    {% blocktrans with candidate_name=object.candidate.full_name job_title=object.job.title %}
                    Deleting the application submitted by **{{ candidate_name }}** for the job **{{ job_title }}** will permanently remove all associated data. Please review the information below carefully before proceeding.
                    {% endblocktrans %}
                </p>
            </div>

            <div class="card kaauh-card mb-4">
                <div class="card-header bg-white border-bottom">
                    <h5 class="mb-0" style="color: var(--kaauh-teal-dark);">
                        <i class="fas fa-file-alt me-2"></i>
                        {% trans "Application to be Deleted" %}
                    </h5>
                </div>
                <div class="card-body">
                    <div class="app-info">
                        {% if object.candidate %}
                        <div class="d-flex align-items-center mb-4">
                            {# Assuming candidate has a profile_image field #}
                            {% if object.candidate.profile_image %}
                                <img src="{{ object.candidate.profile_image.url }}" alt="{{ object.candidate.full_name }}" class="candidate-avatar me-3">
                            {% else %}
                                <div class="avatar-placeholder me-3">
                                    <i class="fas fa-user text-muted fa-2x"></i>
                                </div>
                            {% endif %}
                            <div>
                                <h4 class="mb-1">{{ object.candidate.full_name }}</h4>
                                {% if object.candidate.email %}
                                    <p class="text-muted mb-0">{{ object.candidate.email }}</p>
                                {% endif %}
                            </div>
                        </div>
                        {% endif %}

                        {% if object.job %}
                        <div class="info-item">
                            <div class="info-icon">
                                <i class="fas fa-briefcase"></i>
                            </div>
                            <div class="info-content">
                                <div class="info-label">{% trans "Job Title" %}</div>
                                <div class="info-value">{{ object.job.title }}</div>
                            </div>
                        </div>
                        {% endif %}

                        <div class="info-item">
                            <div class="info-icon">
                                <i class="fas fa-calendar-alt"></i>
                            </div>
                            <div class="info-content">
                                <div class="info-label">{% trans "Applied On" %}</div>
                                <div class="info-value">{{ object.created_at|date:"F d, Y \a\t P" }}</div>
                            </div>
                        </div>

                        {% if object.status %}
                        <div class="info-item">
                            <div class="info-icon">
                                <i class="fas fa-cogs"></i>
                            </div>
                            <div class="info-content">
                                <div class="info-label">{% trans "Current Status" %}</div>
                                <div class="info-value">{{ object.get_status_display }}</div>
                            </div>
                        </div>
                        {% endif %}
                    </div>
                </div>
            </div>

            <div class="card kaauh-card mb-4">
                <div class="card-header bg-white border-bottom">
                    <h5 class="mb-0" style="color: var(--kaauh-teal-dark);">
                        <i class="fas fa-list me-2"></i>
                        {% trans "What will happen when you delete this Application?" %}
                    </h5>
                </div>
                <div class="card-body">
                    <ul class="consequence-list">
                        <li>
                            <i class="fas fa-times-circle"></i>
                            {% trans "The Application record and all status history will be permanently deleted." %}
                        </li>
                        <li>
                            <i class="fas fa-times-circle"></i>
                            {% trans "All associated screening results, scores, and evaluations will be removed." %}
                        </li>
                        <li>
                            <i class="fas fa-times-circle"></i>
                            {% trans "Any linked documents (CV, cover letter) specific to this application will be lost." %}
                        </li>
                        <li>
                            <i class="fas fa-times-circle"></i>
                            {% trans "The Candidate will still exist, but this specific application history will be lost." %}
                        </li>
                        <li>
                            <i class="fas fa-times-circle"></i>
                            {% trans "This action cannot be undone under any circumstances." %}
                        </li>
                    </ul>
                </div>
            </div>

            <div class="card kaauh-card">
                <div class="card-body">
                    <form method="post" id="deleteForm">
                        {% csrf_token %}

                        <div class="mb-4">
                            <div class="form-check">
                                <input class="form-check-input" type="checkbox" id="confirm_delete" name="confirm_delete" required>
                                <label class="form-check-label" for="confirm_delete">
                                    <strong>{% trans "I understand that this action cannot be undone and I want to permanently delete this application." %}</strong>
                                </label>
                            </div>
                        </div>

                        <div class="d-flex justify-content-between">
                            <a href="{% url 'application_detail' object.pk %}" class="btn btn-secondary btn-lg">
                                <i class="fas fa-times me-2"></i>
                                {% trans "Cancel" %}
                            </a>
                            <button type="submit"
                                    class="btn btn-danger btn-lg"
                                    id="deleteButton"
                                    disabled>
                                <i class="fas fa-trash me-2"></i>
                                {% trans "Delete Application Permanently" %}
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const confirmDeleteCheckbox = document.getElementById('confirm_delete');
    const deleteButton = document.getElementById('deleteButton');
    const deleteForm = document.getElementById('deleteForm');

    function validateForm() {
        const checkboxChecked = confirmDeleteCheckbox.checked;
        deleteButton.disabled = !checkboxChecked;

        // Toggle button classes for visual feedback
        if (checkboxChecked) {
            deleteButton.classList.remove('btn-secondary');
            deleteButton.classList.add('btn-danger');
        } else {
            deleteButton.classList.remove('btn-danger');
            deleteButton.classList.add('btn-secondary');
        }
    }

    confirmDeleteCheckbox.addEventListener('change', validateForm);
    // Initialize state on page load
    validateForm();

    // Add confirmation and prevent double submission before final submission
    deleteForm.addEventListener('submit', function(event) {
        event.preventDefault(); 

        const candidateName = "{{ object.candidate.full_name|escapejs }}";
        const jobTitle = "{{ object.job.title|escapejs }}";
        
        // Construct a confirmation message using string replacement for safety
        const confirmationMessageTemplate = "{% blocktrans with candidate_name='CANDIDATE_PLACEHOLDER' job_title='JOB_PLACEHOLDER' %}Are you absolutely sure you want to permanently delete the application by CANDIDATE_PLACEHOLDER for JOB_PLACEHOLDER? This action cannot be reversed!{% endblocktrans %}";
        
        const confirmationMessage = confirmationMessageTemplate
            .replace('CANDIDATE_PLACEHOLDER', candidateName)
            .replace('JOB_PLACEHOLDER', jobTitle);

        if (confirm(confirmationMessage)) {
            // Disable button and show loading state
            deleteButton.disabled = true;
            deleteButton.innerHTML = '<span class="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true"></span>{% trans "Deleting..." %}';

            // Submit the form programmatically
            deleteForm.submit();
        } else {
            // If the user cancels the dialog, ensure the button state is reset/validated
            validateForm();
        }
    });
});
</script>
{% endblock %}