(function () {
    function parseNum(v) {
        var n = parseFloat(v);
        return isNaN(n) ? null : n;
    }

    function calcRR(direction, entry, stop, target) {
        if (!entry || !stop || !target) return '';
        var risk, reward;
        if (direction === 'long') {
            risk = entry - stop;
            reward = target - entry;
        } else if (direction === 'short') {
            risk = stop - entry;
            reward = entry - target;
        } else {
            return '';
        }
        if (risk <= 0) return '';
        return (reward / risk).toFixed(2);
    }

    function calcDuration(openVal, closeVal) {
        if (!openVal || !closeVal) return '';
        var o = new Date(openVal);
        var c = new Date(closeVal);
        var secs = Math.floor((c - o) / 1000);
        if (secs < 0) return '';
        var h = Math.floor(secs / 3600);
        var m = Math.floor((secs % 3600) / 60);
        return h ? h + '小时' + m + '分钟' : m + '分钟';
    }

    function recalc() {
        var form = document.getElementById('review-form');
        if (!form) return;
        var dir = form.querySelector('[name="direction"]').value;
        var entry = parseNum(form.querySelector('[name="entry_price"]').value);
        var sl = parseNum(form.querySelector('[name="stop_loss"]').value);
        var tp = parseNum(form.querySelector('[name="take_profit"]').value);
        var close = parseNum(form.querySelector('[name="close_price"]').value);
        var openT = form.querySelector('[name="open_time"]').value;
        var closeT = form.querySelector('[name="close_time"]').value;

        var hold = document.getElementById('holding_duration');
        var initR = document.getElementById('initial_rr');
        var actR = document.getElementById('actual_rr');
        if (hold) hold.value = calcDuration(openT, closeT);
        if (initR) initR.value = calcRR(dir, entry, sl, tp);
        if (actR) actR.value = calcRR(dir, entry, sl, close);
    }

    function bindForm() {
        var form = document.getElementById('review-form');
        if (!form) return;
        form.querySelectorAll('input, select').forEach(function (el) {
            el.addEventListener('input', recalc);
            el.addEventListener('change', recalc);
        });
    }

    function esc(v) {
        if (v === null || v === undefined || v === '') return '-';
        return String(v);
    }

    function fmtTime(v) {
        if (!v) return '-';
        return String(v).replace('T', ' ').slice(0, 16);
    }

    function fmtRR(data) {
        var init = data.initial_pnl;
        var act = data.actual_pnl;
        if (init && act) return init + ' / ' + act;
        return act || init || '-';
    }

    function fmtTags(data) {
        var tags = data.behavior_tags || '';
        if (data.is_emotion && tags.indexOf('情绪') === -1) {
            return tags ? '情绪单 · ' + tags : '情绪单';
        }
        return tags || '-';
    }

    function showModal(data) {
        var mask = document.getElementById('review-modal');
        var body = document.getElementById('review-modal-body');
        if (!mask || !body) return;

        var labels = [
            '品种', '合约', '方向', '张数', '周期',
            '成交价', '止损', '止盈', '平仓价',
            '开仓时间', '平仓时间', '持仓时长', '盈利金额', '手续费', '净盈亏', '盈亏比',
            '开仓类型', '行为标签'
        ];
        var values = [
            esc(data.symbol),
            esc(data.symbol_code),
            esc(data.direction),
            esc(data.lots),
            esc(data.timeframe),
            esc(data.entry_price),
            esc(data.stop_loss),
            esc(data.take_profit),
            esc(data.close_price),
            fmtTime(data.open_time),
            fmtTime(data.close_time),
            esc(data.holding_duration),
            esc(data.pnl),
            esc(data.fee),
            esc(data.pnl_net),
            fmtRR(data),
            esc(data.open_type),
            fmtTags(data)
        ];

        var html = '<div class="review-detail-table">';
        html += '<div class="review-detail-headers">';
        labels.forEach(function (lb) {
            html += '<span>' + lb + '</span>';
        });
        html += '</div><div class="review-detail-values">';
        values.forEach(function (val, i) {
            var cls = '';
            if (i === 17 && data.is_emotion) cls = ' class="emotion-val"';
            html += '<span' + cls + '>' + val + '</span>';
        });
        html += '</div></div>';

        html += '<div class="review-detail-image">';
        if (data.screenshot) {
            html += '<img src="/uploads/' + data.screenshot + '" alt="复盘截图">';
        } else {
            html += '<div class="no-img">暂无截图 / K线图</div>';
        }
        html += '</div>';

        body.innerHTML = html;
        mask.classList.add('show');
    }

    function bindModal() {
        var mask = document.getElementById('review-modal');
        if (!mask) return;
        mask.querySelector('.modal-close').addEventListener('click', function () {
            mask.classList.remove('show');
        });
        mask.addEventListener('click', function (e) {
            if (e.target === mask) mask.classList.remove('show');
        });
        document.querySelectorAll('.review-view-btn').forEach(function (btn) {
            btn.addEventListener('click', function () {
                try {
                    showModal(JSON.parse(btn.getAttribute('data-review')));
                } catch (e) { /* ignore */ }
            });
        });
    }

    document.addEventListener('DOMContentLoaded', function () {
        bindForm();
        bindModal();
        recalc();
    });

    window.recalc = recalc;
})();