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

{% block topbar_actions %}
{% if enrollments %}
<form method="POST" action="{{ url_for('teller.refresh_all_balances') }}" class="d-inline">
    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
    <button type="submit" class="btn btn-sm btn-outline-secondary me-1" style="font-size:12px;"
            title="Pull live balances from your bank for all connected accounts">
        <i class="bi bi-arrow-clockwise me-1"></i>Refresh All Balances
    </button>
</form>
{% endif %}
<button id="tellerConnectBtn" class="btn btn-sm btn-primary" style="font-size:12px;"
    {% if not teller_app_id %}title="TELLER_APP_ID not set in .env" style="opacity:.6;"{% endif %}>
    <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" style="min-width:0;">
                    <div style="width:32px;height:32px;border-radius:8px;background:#dbeafe;color:#1e40af;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;">
                        <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 style="min-width:0;">
                        <div class="d-flex align-items-center gap-2 flex-wrap">
                            <span style="font-size:13px;font-weight:500;">{{ ta.account_name }}</span>
                            {% if ta.pfm_account %}
                            {# Balance display — updated in-place by refreshBalance() #}
                            <span id="bal-{{ ta.id }}" class="mono"
                                  style="font-size:13px;font-weight:600;color:var(--text);">
                                {{ ta.pfm_account.balance | currency }}
                            </span>
                            {% if ta.last_sync_date %}
                            <span style="font-size:10px;color:var(--muted);">
                                synced {{ ta.last_sync_date.strftime('%b %d') }}
                            </span>
                            {% endif %}
                            {% endif %}
                        </div>
                        <div style="font-size:11px;color:var(--muted);">
                            {{ ta.account_subtype | replace('_',' ') | title }}
                            {% if ta.pfm_account %}
                            · <span style="color:var(--muted);">{{ ta.pfm_account.name }}</span>
                            {% else %}
                            · <span style="color:#f59e0b;">Not mapped</span>
                            {% endif %}
                        </div>
                    </div>
                </div>
                <div class="d-flex align-items-center gap-2 flex-shrink-0 ms-2">
                    {% if ta.pfm_account %}
                    <button id="refbtn-{{ ta.id }}"
                            onclick="refreshBalance({{ ta.id }}, this)"
                            class="btn btn-sm btn-outline-secondary" style="font-size:11px;"
                            title="Pull live balance from bank">
                        <i class="bi bi-arrow-clockwise"></i>
                    </button>
                    <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>
                    <form method="POST" action="{{ url_for('teller.full_resync', teller_account_id=ta.id) }}"
                          style="display:inline;"
                          onsubmit="return confirm('Reset sync cursor for {{ ta.account_name }}?\nThe next Sync will re-fetch the last 90 days. Already-imported transactions will be skipped.')">
                        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                        <button type="submit" class="btn btn-sm btn-outline-warning" style="font-size:11px;" title="Re-fetch full 90-day history on next sync">
                            <i class="bi bi-arrow-counterclockwise"></i>
                        </button>
                    </form>
                    {% 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 status -->
<div class="pcard mt-2" style="background:#f8fafc;">
    <div class="pcard-title mb-2">Setup Status</div>
    <div style="font-size:13px;line-height:1.9;">
        <div>
            <i class="bi bi-{% if teller_app_id %}check-circle-fill text-success{% else %}x-circle-fill text-danger{% endif %} me-2"></i>
            Teller App ID: {% if teller_app_id %}<code>{{ teller_app_id[:8] }}…</code>{% else %}<span class="text-danger">Not set — add TELLER_APP_ID to .env</span>{% endif %}
        </div>
        <div>
            <i class="bi bi-{% if teller_cert_path %}check-circle-fill text-success{% else %}x-circle-fill text-danger{% endif %} me-2"></i>
            Certificate: <code>{{ teller_cert_path or 'Not set' }}</code>
        </div>
        <div>
            <i class="bi bi-{% if teller_key_path %}check-circle-fill text-success{% else %}x-circle-fill text-danger{% endif %} me-2"></i>
            Private Key: <code>{{ teller_key_path or 'Not set' }}</code>
        </div>
        <div>
            <i class="bi bi-info-circle text-muted me-2"></i>
            Environment: <strong>{{ 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 appId = '{{ teller_app_id }}';
        if (!appId) {
            alert('TELLER_APP_ID is not set in .env\nAdd it and restart the app.');
            return;
        }
        const teller = TellerConnect.setup({
            applicationId: '{{ teller_app_id }}',
            environment:   '{{ 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,
                    },
                    // Send full Teller payload: { accessToken, user, enrollment }
                    body: JSON.stringify(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 = '<span class="spinner-border spinner-border-sm"></span>';

    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.available != null) {
            const sym = '{{ current_user.currency_symbol }}';
            const fmt = v => sym + parseFloat(v).toLocaleString(undefined, {minimumFractionDigits:2, maximumFractionDigits:2});

            // Update inline balance display
            const balEl = document.getElementById('bal-' + taId);
            if (balEl) {
                balEl.textContent = fmt(data.available);
                balEl.style.color = '#10b981';
                setTimeout(() => balEl.style.color = '', 2500);
            }

            // Show available vs ledger in button tooltip
            const ledgerNote = (data.ledger !== data.available)
                ? ` · Ledger: ${fmt(data.ledger)}`
                : '';
            btn.title = `Available: ${fmt(data.available)}${ledgerNote} — updated just now`;
            btn.style.color = '#10b981';
            setTimeout(() => { btn.style.color = ''; btn.title = 'Pull live balance from bank'; }, 3000);
        } else {
            btn.title = data.error || 'Refresh failed';
            btn.style.color = '#ef4444';
            setTimeout(() => { btn.style.color = ''; btn.title = 'Pull live balance from bank'; }, 4000);
        }
    })
    .catch(() => {
        btn.disabled = false;
        btn.innerHTML = '<i class="bi bi-arrow-clockwise"></i>';
        btn.title = 'Network error — try again';
        btn.style.color = '#ef4444';
        setTimeout(() => { btn.style.color = ''; btn.title = 'Pull live balance from bank'; }, 4000);
    });
}
</script>
{% endblock %}