{% extends "base.html" %}
{% block title %}Bank Connections{% endblock %}
{% block page_title %}Bank Connections{% endblock %}

{% block topbar_actions %}
<button id="tellerConnectBtn" class="btn btn-sm btn-primary" style="font-size:12px;">
    <i class="bi bi-bank me-1"></i>Connect a Bank
</button>
{% endblock %}

{% block content %}
{% if enrollments %}
<div class="row g-3 mb-4">
    {% for enrollment in enrollments %}
    {% set accounts = enrollment.accounts.filter_by(is_active=True).all() %}
    <div class="col-12 col-lg-8">
        <div class="pcard">
            <div class="d-flex justify-content-between align-items-start mb-3">
                <div>
                    <div style="font-size:15px;font-weight:600;">{{ enrollment.institution_name or 'Unknown Bank' }}</div>
                    <div style="font-size:12px;color:var(--muted);">
                        Connected {{ enrollment.created_at.strftime('%b %d, %Y') }} ·
                        Last synced: {{ enrollment.last_synced_at.strftime('%b %d, %H:%M') if enrollment.last_synced_at else 'Never' }}
                    </div>
                </div>
                <form method="POST" action="{{ url_for('teller.disconnect', enrollment_db_id=enrollment.id) }}"
                      onsubmit="return confirm('Disconnect from {{ enrollment.institution_name }}? Existing transactions are kept.')">
                    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                    <button type="submit" class="btn btn-sm btn-outline-danger" style="font-size:11px;">Disconnect</button>
                </form>
            </div>

            {% for ta in accounts %}
            <div class="d-flex justify-content-between align-items-center py-2" style="border-top:1px solid var(--border);">
                <div class="d-flex align-items-center gap-2">
                    <div style="width:32px;height:32px;border-radius:8px;background:#dbeafe;color:#1e40af;display:flex;align-items:center;justify-content:center;font-size:14px;">
                        <i class="bi {% if ta.account_subtype == 'credit_card' %}bi-credit-card{% elif ta.account_subtype == 'savings' %}bi-piggy-bank{% else %}bi-bank{% endif %}"></i>
                    </div>
                    <div>
                        <div style="font-size:13px;font-weight:500;">{{ ta.account_name }}</div>
                        <div style="font-size:11px;color:var(--muted);">
                            {{ ta.account_subtype | replace('_',' ') | title }}
                            {% if ta.pfm_account %}
                            · Mapped to <strong>{{ ta.pfm_account.name }}</strong>
                            {% else %}
                            · <span style="color:#f59e0b;">Not mapped</span>
                            {% endif %}
                        </div>
                    </div>
                </div>
                <div class="d-flex align-items-center gap-2">
                    {% if ta.pfm_account %}
                    <!-- Balance refresh -->
                    <button onclick="refreshBalance({{ ta.id }}, this)"
                        class="btn btn-sm btn-outline-secondary" style="font-size:11px;" title="Refresh live balance">
                        <i class="bi bi-arrow-clockwise"></i>
                    </button>
                    <!-- Sync transactions -->
                    <a href="{{ url_for('teller.sync_preview_view', teller_account_id=ta.id) }}"
                       class="btn btn-sm btn-outline-primary" style="font-size:11px;">
                        <i class="bi bi-cloud-download me-1"></i>Sync
                    </a>
                    {% else %}
                    <a href="{{ url_for('teller.map_accounts', enrollment_id=enrollment.enrollment_id) }}"
                       class="btn btn-sm btn-outline-warning" style="font-size:11px;">Map Account</a>
                    {% endif %}
                </div>
            </div>
            {% endfor %}

            <!-- Sync all -->
            {% if accounts | selectattr('pfm_account_id') | list %}
            <div class="mt-3 text-end">
                <form method="POST" action="{{ url_for('teller.sync_all') }}" style="display:inline;">
                    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                    <button type="submit" class="btn btn-sm btn-primary" style="font-size:12px;">
                        <i class="bi bi-cloud-download me-1"></i>Sync All Accounts
                    </button>
                </form>
            </div>
            {% endif %}
        </div>
    </div>
    {% endfor %}
</div>
{% else %}
<div class="pcard text-center py-5 col-12 col-lg-6 mx-auto">
    <i class="bi bi-bank2 text-muted" style="font-size:3rem;"></i>
    <h5 class="mt-3 mb-1">No banks connected</h5>
    <p class="text-muted small mb-3">
        Connect your US bank accounts to automatically sync transactions and balances.
    </p>
    <button id="tellerConnectBtn2" class="btn btn-primary">
        <i class="bi bi-bank me-1"></i>Connect a Bank
    </button>
</div>
{% endif %}

<!-- Setup instructions -->
<div class="pcard mt-2" style="background:#f8fafc;">
    <div class="pcard-title mb-2">Setup Requirements</div>
    <div style="font-size:13px;color:var(--muted);line-height:1.8;">
        <div><i class="bi bi-check-circle-fill text-success me-2"></i>Teller App ID set in <code>.env</code></div>
        <div><i class="bi bi-check-circle-fill text-success me-2"></i>Client certificate at <code>{{ config.TELLER_CERT_PATH }}</code></div>
        <div><i class="bi bi-check-circle-fill text-success me-2"></i>Private key at <code>{{ config.TELLER_KEY_PATH }}</code></div>
        <div><i class="bi bi-info-circle text-muted me-2"></i>Environment: <strong>{{ config.TELLER_ENV }}</strong></div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script src="https://cdn.teller.io/connect/connect.js"></script>
<script>
const CSRF = '{{ csrf_token() }}';

function initTellerConnect(btn) {
    if (!btn) return;
    btn.addEventListener('click', function() {
        const teller = TellerConnect.setup({
            applicationId: '{{ config.TELLER_APP_ID }}',
            environment:   '{{ config.TELLER_ENV }}',
            products:      ['transactions'],
            onSuccess: function(enrollment) {
                btn.disabled = true;
                btn.innerHTML = '<i class="bi bi-hourglass-split me-1"></i>Connecting…';
                fetch('/teller/callback', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'X-CSRFToken': CSRF,
                    },
                    body: JSON.stringify({ enrollment: enrollment }),
                })
                .then(r => r.json())
                .then(data => {
                    if (data.redirect) {
                        window.location.href = data.redirect;
                    } else {
                        alert('Connection error: ' + (data.error || 'Unknown'));
                        btn.disabled = false;
                        btn.innerHTML = '<i class="bi bi-bank me-1"></i>Connect a Bank';
                    }
                })
                .catch(() => {
                    alert('Network error. Please try again.');
                    btn.disabled = false;
                    btn.innerHTML = '<i class="bi bi-bank me-1"></i>Connect a Bank';
                });
            },
            onExit: function() {
                console.log('Teller Connect closed');
            },
            onFailure: function(error) {
                alert('Connection failed: ' + error.message);
            },
        });
        teller.open();
    });
}

initTellerConnect(document.getElementById('tellerConnectBtn'));
initTellerConnect(document.getElementById('tellerConnectBtn2'));

function refreshBalance(taId, btn) {
    btn.disabled = true;
    btn.innerHTML = '<i class="bi bi-hourglass-split"></i>';
    fetch('/teller/balance/' + taId, {
        method: 'POST',
        headers: { 'X-CSRFToken': CSRF },
    })
    .then(r => r.json())
    .then(data => {
        btn.disabled = false;
        btn.innerHTML = '<i class="bi bi-arrow-clockwise"></i>';
        if (data.balance != null) {
            const sym = '{{ current_user.currency_symbol }}';
            btn.title = 'Balance: ' + sym + parseFloat(data.balance).toLocaleString(undefined, {minimumFractionDigits:2});
            btn.style.color = '#10b981';
            setTimeout(() => btn.style.color = '', 3000);
        } else {
            btn.title = data.error || 'Failed';
            btn.style.color = '#ef4444';
            setTimeout(() => btn.style.color = '', 3000);
        }
    })
    .catch(() => {
        btn.disabled = false;
        btn.innerHTML = '<i class="bi bi-arrow-clockwise"></i>';
    });
}
</script>
{% endblock %}