{% extends "base.html" %}
{% block title %}Plaid Sync Preview{% endblock %}
{% block page_title %}Sync Preview — {{ item.institution_name }}{% endblock %}

{% block content %}
<form method="POST" action="{{ url_for('plaid.sync_confirm') }}" id="importForm">
<input type="hidden" name="csrf_token" value="{{ csrf_token() }}">

<div class="pcard mb-3">
    <div class="d-flex justify-content-between align-items-start flex-wrap gap-2">
        <div>
            <div style="font-size:14px;font-weight:600;">{{ item.institution_name }}</div>
            <div style="font-size:12px;color:var(--muted);">
                <span id="selectedCount">{{ count }}</span> of {{ count }} transactions selected
            </div>
        </div>
        <div class="d-flex gap-2">
            <a href="{{ url_for('plaid.index') }}" class="btn btn-sm btn-outline-secondary" style="font-size:12px;">Cancel</a>
            <button type="submit" class="btn btn-sm btn-success" id="importBtn" style="font-size:12px;">
                <i class="bi bi-check-lg me-1"></i>Import <span id="importBtnCount">{{ count }}</span> Transaction(s)
            </button>
        </div>
    </div>

    <!-- Bulk actions -->
    <div class="mt-3 pt-3 d-flex align-items-center flex-wrap gap-2" style="border-top:1px solid var(--border);">
        <span style="font-size:12px;color:var(--muted);font-weight:500;">Bulk set selected:</span>
        <button type="button" class="btn btn-sm btn-outline-danger" id="bulkExpense" style="font-size:12px;">
            <i class="bi bi-dash-circle me-1"></i>Expense
        </button>
        <button type="button" class="btn btn-sm btn-outline-success" id="bulkIncome" style="font-size:12px;">
            <i class="bi bi-plus-circle me-1"></i>Income
        </button>
        <div class="d-flex align-items-center gap-1 ms-1">
            <select id="bulkCategory" class="form-select form-select-sm" style="min-width:150px;font-size:12px;">
                <option value="">— Category —</option>
                {% for c in categories %}
                <option value="{{ c.id }}">{{ c.name }}</option>
                {% endfor %}
            </select>
            <button type="button" class="btn btn-sm btn-outline-secondary" id="bulkApplyCat" style="font-size:12px;">Apply</button>
        </div>
    </div>
</div>

{% set ns = namespace(cur_acct_id=None) %}
{% for txn in preview %}
{% set pa = plaid_accounts.get(txn.plaid_account_id) %}
{% set acct_id = pa.pfm_account_id if pa else None %}

{% if acct_id != ns.cur_acct_id %}
{% if ns.cur_acct_id is not none %}</div></div>{% endif %}
{% set ns.cur_acct_id = acct_id %}
<div class="pcard p-0 mb-3">
    <div class="px-4 py-2" style="background:#f8fafc;border-bottom:1px solid var(--border);border-radius:12px 12px 0 0;">
        <div style="font-size:13px;font-weight:600;">
            {% if pa and pa.pfm_account %}{{ pa.pfm_account.name }}{% else %}Unknown Account{% endif %}
        </div>
        {% if pa %}
        <div style="font-size:11px;color:var(--muted);">{{ pa.display_name }} · {{ pa.account_type | title }}</div>
        {% endif %}
    </div>
    <div>
    <table class="pfm-table mb-0">
        <thead>
            <tr>
                <th style="width:36px;padding-left:16px;">
                    <input type="checkbox" class="section-all" checked
                           style="width:15px;height:15px;cursor:pointer;">
                </th>
                <th style="white-space:nowrap;">Date</th>
                <th>Description</th>
                <th style="width:150px;">Type</th>
                <th>Category</th>
                <th class="text-end" style="padding-right:20px;">Amount</th>
            </tr>
        </thead>
        <tbody>
{% endif %}

<tr class="preview-row" data-id="{{ txn.plaid_id }}">
    <td style="padding-left:16px;">
        <input type="checkbox" name="selected" value="{{ txn.plaid_id }}"
               class="row-check" checked style="width:15px;height:15px;cursor:pointer;">
    </td>
    <td style="font-size:12px;color:var(--muted);white-space:nowrap;">
        {{ txn.date.strftime('%b %d, %Y') }}
    </td>
    <td style="font-size:13px;">{{ txn.description }}</td>
    <td>
        <select name="type_{{ txn.plaid_id }}" class="type-select form-select form-select-sm"
                style="width:130px;font-size:12px;border-radius:6px;
                       {% if txn.transaction_type == 'income' %}border-color:#10b981;color:#10b981;{% else %}border-color:#ef4444;color:#ef4444;{% endif %}">
            <option value="expense" {% if txn.transaction_type == 'expense' %}selected{% endif %}>Expense</option>
            <option value="income"  {% if txn.transaction_type == 'income'  %}selected{% endif %}>Income</option>
        </select>
    </td>
    <td>
        <select name="category_{{ txn.plaid_id }}" class="cat-select form-select form-select-sm"
                style="font-size:12px;min-width:140px;">
            <option value="">— Uncategorised —</option>
            {% for c in categories %}
            <option value="{{ c.id }}" {% if txn.category_id == c.id %}selected{% endif %}>{{ c.name }}</option>
            {% endfor %}
        </select>
    </td>
    <td class="text-end mono amount-cell
               {% if txn.transaction_type == 'income' %}text-income{% else %}text-expense{% endif %}"
        style="font-size:13px;font-weight:600;padding-right:20px;">
        <span class="sign">{% if txn.transaction_type == 'income' %}+{% else %}-{% endif %}</span>{{ txn.amount | currency }}
    </td>
</tr>
{% endfor %}
{% if ns.cur_acct_id is not none %}</tbody></table></div></div>{% endif %}

<div class="d-flex justify-content-end mt-3">
    <button type="submit" class="btn btn-success">
        <i class="bi bi-check-lg me-1"></i>Confirm Import (<span id="importBtnCount2">{{ count }}</span> transactions)
    </button>
</div>
</form>

<script>
(function () {
    const checks    = () => document.querySelectorAll('.row-check');
    const countEl   = document.getElementById('selectedCount');
    const btnCount  = document.getElementById('importBtnCount');
    const btnCount2 = document.getElementById('importBtnCount2');

    function updateCount() {
        const n = document.querySelectorAll('.row-check:checked').length;
        countEl.textContent   = n;
        btnCount.textContent  = n;
        btnCount2.textContent = n;
        document.querySelectorAll('.preview-row').forEach(row => {
            row.style.opacity = row.querySelector('.row-check').checked ? '1' : '0.4';
        });
        // Sync per-section checkboxes
        document.querySelectorAll('.section-all').forEach(sa => {
            const tbody  = sa.closest('table').querySelector('tbody');
            const rowChk = tbody.querySelectorAll('.row-check');
            const chkd   = tbody.querySelectorAll('.row-check:checked').length;
            sa.indeterminate = chkd > 0 && chkd < rowChk.length;
            sa.checked = chkd === rowChk.length;
        });
    }

    // Section select-all
    document.querySelectorAll('.section-all').forEach(sa => {
        sa.addEventListener('change', () => {
            const tbody = sa.closest('table').querySelector('tbody');
            tbody.querySelectorAll('.row-check').forEach(cb => { cb.checked = sa.checked; });
            updateCount();
        });
    });

    document.addEventListener('change', e => {
        if (e.target.classList.contains('row-check')) updateCount();
    });

    function applyTypeStyle(sel) {
        const isIncome = sel.value === 'income';
        sel.style.borderColor = isIncome ? '#10b981' : '#ef4444';
        sel.style.color       = isIncome ? '#10b981' : '#ef4444';
        const row  = sel.closest('.preview-row');
        const cell = row.querySelector('.amount-cell');
        const sign = row.querySelector('.sign');
        cell.classList.toggle('text-income',  isIncome);
        cell.classList.toggle('text-expense', !isIncome);
        sign.textContent = isIncome ? '+' : '-';
    }
    document.querySelectorAll('.type-select').forEach(sel => {
        sel.addEventListener('change', function () { applyTypeStyle(this); });
    });

    // Bulk: type
    document.getElementById('bulkExpense').addEventListener('click', () => {
        document.querySelectorAll('.row-check:checked').forEach(cb => {
            const sel = cb.closest('.preview-row').querySelector('.type-select');
            sel.value = 'expense'; applyTypeStyle(sel);
        });
    });
    document.getElementById('bulkIncome').addEventListener('click', () => {
        document.querySelectorAll('.row-check:checked').forEach(cb => {
            const sel = cb.closest('.preview-row').querySelector('.type-select');
            sel.value = 'income'; applyTypeStyle(sel);
        });
    });
    // Bulk: category
    document.getElementById('bulkApplyCat').addEventListener('click', () => {
        const catId = document.getElementById('bulkCategory').value;
        if (!catId) return;
        document.querySelectorAll('.row-check:checked').forEach(cb => {
            const sel = cb.closest('.preview-row').querySelector('.cat-select');
            if (sel) sel.value = catId;
        });
        document.getElementById('bulkCategory').value = '';
    });
})();
</script>
{% endblock %}