/* ═════ 08 报告页 —— 1:1 移植 H5 #s-report ═════
   数据来源不变：utils/report-model.js 的 model()/layers()/marks()（接口未改），
   本文件只做 H5 版面映射：
     1) 七个检测视角按 H5 的三张维度卡分组（紧塑力 2 / 透亮感 3 / 稳韧力 2）；
     2) H5 SVG 环形评分 → conic-gradient 角度 + 圆头补点（acss 无 svg）；
     3) H5 app.js vizFaceCrop/vizCompose 的人脸裁切窗口 → 照片与 face_maps 图层共用的
        「同一画框绝对定位」，保证叠加层位置与 H5 canvas 合成一致；
     4) 痘/斑标记坐标：接口像素坐标 → 画框百分比（含 H5 的最小框放大规则）；
     5) 侧脸皱纹标注：payload.wrinkle_job + api.wrinkleViews，pending/unavailable 文案同 H5。 */
var api = require('../../utils/api'), report = require('../../utils/report-model'), config = require('../../config');

/* H5 检测图框 .viz-frame：calc(215 * var(--u)) × calc(278 * var(--u)) → 430×556rpx（report.acss 同值） */
var FRAME_W = 430, FRAME_H = 556, FRAME_RATIO = 215 / 278;
/* H5 canvas 过小标记的最小框 = 画布宽 / 36 ≈ 6px；缩到画框后约 12rpx */
var MIN_MARK = 12;
/* H5 环形评分 viewBox 0 0 120 120、r=52 → 216rpx 画盘上半径 93.6rpx、圆心 108rpx */
var RING_R = 93.6, RING_C = 108;
/* 照片未拿到自然尺寸前的兜底：整框 + contain（H5 object-fit:contain 语义） */
var DEFAULT_BOX = 'left:0;top:0;width:' + FRAME_W + 'rpx;height:' + FRAME_H + 'rpx;';

/* H5 报告页的三张维度卡（index.html L209-264：紧塑力/透亮感/稳韧力） */
var GROUPS = [
  { key: 'firm', title: '紧塑力', titleCls: '', cardCls: '', views: ['contour', 'wrinkles'] },
  { key: 'vita', title: '透亮感', titleCls: '', cardCls: '', views: ['color', 'smooth', 'water'] },
  { key: 'stab', title: '稳韧力', titleCls: 'dimension-stability-title', cardCls: 'stability-card', views: ['sens', 'acne'] }
];
/* H5 app.js VIZ_CAT：blend=正片叠底（白底色沉/缺水/红区图层）；wrinkles 需把照片压暗 0.55 */
var BLEND = { color: true, water: true, sens: true };
var DARK = { wrinkles: .55 };
/* H5 app.js vizCompose({contentDown})：轮廓/皱纹画框只露上部 90%，主体需下移 9% */
var CONTENT_DOWN = { contour: .09, wrinkles: .09 };
/* 有色沉图层时 H5 不再重复画黑色素框（VIZ_CAT.tone 的 filter） */
var MELANIN_COLOR = '#9F641F';

function numeric(value) { return typeof value === 'number' && isFinite(value); }
function px(value) { return (Math.round(value * 100) / 100) + 'rpx'; }
function pct(ratio) { return Math.round(ratio * 10000) / 100; }

/* H5 SVG 环形评分：#ring-fg 的 stroke-dashoffset = 326.73 × (1 - 总分/100)，顺时针、从正上方开始。
   acss 用 conic-gradient 画弧 + 两个圆点还原 stroke-linecap:round 的两端。 */
function ringOf(total) {
  var value = total == null ? 0 : Math.max(0, Math.min(100, total));
  var angle = Math.PI * 2 * value / 100;
  var x = RING_C + RING_R * Math.sin(angle), y = RING_C - RING_R * Math.cos(angle);
  return { ringDeg: Math.round(360 * value / 100 * 100) / 100, ringCap: total != null && value > 0,
    ringCapEnd: 'left:' + px(x) + ';top:' + px(y) + ';' };
}

/* H5 style.css .dim.best（最高分浅绿条）+ 既有 .dim.worst（report-model 已按原始 P 判定的优先关注） */
function rankDims(dims) {
  var worstKey = '', bestKey = '', best = -1, scored = 0;
  dims.forEach(function (dim) {
    if (dim.rank === 'worst') worstKey = dim.key;
    if (typeof dim.int === 'string' && dim.int !== '-') scored++;
  });
  dims.forEach(function (dim) {
    if (dim.key === worstKey || dim.int === '-') return;
    if (dim.barWidth > best) { best = dim.barWidth; bestKey = dim.key; }
  });
  if (scored < 2) bestKey = '';
  return dims.map(function (dim) {
    var copy = Object.assign({}, dim);
    copy.rank = dim.key === worstKey ? 'worst' : dim.key === bestKey ? 'best' : '';
    return copy;
  });
}

/* H5 app.js vizFaceCrop：人脸矩形 → 215:278 裁切窗口（矩形不可用时退回整幅） */
function faceCrop(width, height, rectangle) {
  var full = { left: 0, top: 0, width: width, height: height, focused: false };
  if (!rectangle) return full;
  var keys = ['left', 'top', 'width', 'height'];
  for (var i = 0; i < keys.length; i++) if (!numeric(rectangle[keys[i]])) return full;
  if (rectangle.width <= 0 || rectangle.height <= 0 || rectangle.left < 0 || rectangle.top < 0 ||
      rectangle.left + rectangle.width > width || rectangle.top + rectangle.height > height) return full;
  var ch = Math.min(Math.max(rectangle.height * 1.55, rectangle.width * 1.18 / FRAME_RATIO), height, width / FRAME_RATIO);
  var cw = ch * FRAME_RATIO;
  if (cw < rectangle.width || ch < rectangle.height) return full;
  var left = Math.max(0, Math.min(width - cw, rectangle.left + rectangle.width / 2 - cw / 2));
  var top = Math.max(0, Math.min(height - ch, rectangle.top - rectangle.height * .3));
  if (top + ch < rectangle.top + rectangle.height) top = rectangle.top + rectangle.height - ch;
  return { left: left, top: top, width: cw, height: ch, focused: true };
}
/* H5 app.js vizShiftContentDown：把画面整体下移（源窗口上移） */
function shiftContentDown(crop, rectangle, fraction) {
  if (!crop.focused || !rectangle || !fraction) return crop;
  var minimumTop = Math.max(0, rectangle.top + rectangle.height - crop.height);
  var copy = Object.assign({}, crop);
  copy.top = Math.max(minimumTop, crop.top - crop.height * fraction);
  return copy;
}
/* 画框（430×556rpx）内的照片/图层定位：left/top/width/height 均为 rpx，
   照片与图层共用同一套值，图层因此与照片逐像素贴合 */
function frameBox(width, height, rectangle, contentDown) {
  var crop = faceCrop(width, height, rectangle), scale, left, top, boxW, boxH;
  if (crop.focused) {
    crop = shiftContentDown(crop, rectangle, contentDown);
    scale = FRAME_W / crop.width;
    left = -crop.left * scale; top = -crop.top * scale;
    boxW = width * scale; boxH = height * scale;
  } else {
    // 无可用人脸矩形：H5 canvas 保留整幅比例，再由 object-fit:contain 内嵌 → 这里等价等比内嵌
    scale = Math.min(FRAME_W / width, FRAME_H / height);
    boxW = width * scale; boxH = height * scale;
    left = (FRAME_W - boxW) / 2; top = (FRAME_H - boxH) / 2;
  }
  return { left: left, top: top, width: boxW, height: boxH, scale: scale,
    style: 'left:' + px(left) + ';top:' + px(top) + ';width:' + px(boxW) + ';height:' + px(boxH) + ';' };
}
/* 标记：接口像素坐标 → 画框（430×556rpx）百分比；过小标记按 H5 规则放大并保持中心。
   照片/图层在画框内的定位是 box.left = -裁切窗口左边界 × scale，
   所以原始像素 X 落在画框里的位置就是 box.left + X × scale。 */
function placeMarks(marks, width, height, box) {
  var scale = box.scale;
  return (marks || []).map(function (mark) {
    var left = box.left + (mark.left / 100 * width) * scale;
    var top = box.top + (mark.top / 100 * height) * scale;
    var w = mark.width / 100 * width * scale, h = mark.height / 100 * height * scale;
    if (w < MIN_MARK) { left -= (MIN_MARK - w) / 2; w = MIN_MARK; }
    if (h < MIN_MARK) { top -= (MIN_MARK - h) / 2; h = MIN_MARK; }
    return { id: mark.id, color: mark.color, left: pct(left / FRAME_W), top: pct(top / FRAME_H),
      width: pct(w / FRAME_W), height: pct(h / FRAME_H) };
  });
}
/* H5 app.js renderViz 的 #smooth-map-note 文案（毛孔=蓝、黑头=红） */
function smoothCaption(result) {
  var maps = (result && result.face_maps) || {}, notes = [];
  if (report.mapURL(maps.texture_enhanced_pores)) notes.push('蓝色为毛孔增强标记');
  if (report.mapURL(maps.texture_enhanced_blackheads)) notes.push('红色为黑头增强标记');
  return notes.length ? notes.join('，') + '；标记不代表严重程度，具体以检测计数和结果为准。'
    : '本次未获取毛孔、黑头增强图；此处仅展示拍摄照片，不绘制色斑、痣或痤疮框。';
}

Page({
  data: {
    // 图片统一走 api.assetUrl（与 H5 h5/assets/ 同相对路径）
    productBadgeUrl: api.assetUrl('img/ui-20261015/product-badge.png'),
    // report-model.model() 产出（接口不变）
    total: null, skinAge: null, ageNote: '', dims: [], focusName: '', focusSlogan: '',
    views: [], viewIndex: 0, frontPhoto: '', activeLayers: [], careAdvice: [], product: null,
    // 版面对齐 H5 所需的派生数据
    cards: [], sides: [], sidesShown: false, wrinkleNote: '',
    ringDeg: 0, ringCap: false, ringCapEnd: ''
  },
  onLoad: function () {
    this.alive = true; this.visible = true;
    this.ownerId = api.user() && api.user().id;
    var gd = getApp().globalData;
    if (!gd.payload || !gd.payload.result) { my.redirectTo({ url: '/pages/splash/splash' }); return; }
    this.payload = gd.payload; this.photos = gd.photos || [];
    var model;
    try { model = report.model(this.payload, this.photos, gd.profile || {}); }
    catch (_) { my.showToast({ content: '报告生成失败，请重新检测', type: 'none' }); return; }
    var result = this.payload.result, ring = ringOf(model.total);
    this.setData(Object.assign({}, model, {
      dims: rankDims(model.dims),
      cards: this.buildCards(model, result),
      ringDeg: ring.ringDeg, ringCap: ring.ringCap, ringCapEnd: ring.ringCapEnd
    }));
    this.renderSides(this.payload.wrinkle_views);
  },
  onReady: function () { this.ready = true; this.measurePhoto(); this.loadSides(); },
  onShow: function () {
    if (!api.user() || this.ownerId !== api.user().id) {
      this.onHide();
      this.setData({ frontPhoto: '', views: [], cards: [], sides: [], careAdvice: [], product: null });
      my.redirectTo({ url: '/pages/splash/splash' }); return;
    }
    this.visible = true; if (this.ready) this.loadSides();
  },
  onHide: function () { this.visible = false; if (this.signal) this.signal.canceled = true; },
  onUnload: function () { this.onHide(); this.alive = false; this.photos = []; this.payload = null; },

  /* ─── H5 三张维度卡的视图分组（七个检测视角各带图层/标记/框型） ─── */
  buildCards: function (model, result) {
    var byKey = {};
    model.views.forEach(function (view) { byKey[view.key] = view; });
    var hasPhoto = !!model.frontPhoto;
    return GROUPS.map(function (group) {
      var views = [];
      group.views.forEach(function (key) {
        var view = byKey[key];
        if (!view) return;
        var layers = result ? report.layers(result, key) : [];
        // 有水印图层即可出图；轮廓/肤色/平滑度/痘痘必须有人脸照片（H5 renderViz 的降级规则）
        var needsPhotoOnly = key === 'contour' || key === 'color' || key === 'smooth' || key === 'acne';
        views.push({
          key: key, name: view.name, text: view.text, dim: !!view.dim, alpha: view.alpha,
          layers: layers, marks: [],
          blend: !!BLEND[key], dark: DARK[key] || 0,
          frameCls: CONTENT_DOWN[key] ? 'contour-front-frame' : '',
          fit: 'aspectFit', photoStyle: DEFAULT_BOX,
          hasVisual: needsPhotoOnly ? hasPhoto : (hasPhoto || layers.length > 0),
          caption: key === 'smooth' ? smoothCaption(result) : ''
        });
      });
      return { key: group.key, title: group.title, titleCls: group.titleCls, cardCls: group.cardCls, index: 0, views: views };
    });
  },

  /* ─── 人脸裁切窗口 + 标记坐标：照片自然尺寸已知后计算一次 ─── */
  measurePhoto: function () {
    var that = this, src = this.data.frontPhoto;
    if (!src || this.geoDone || typeof my.getImageInfo !== 'function') return;
    my.getImageInfo({ src: src,
      success: function (info) { that.applyGeometry(info && info.width, info && info.height); },
      fail: function () {} });
  },
  // H5 img.onload 兜底（getImageInfo 不可用时也能拿到自然尺寸）
  onPhotoLoad: function (event) {
    var detail = (event && event.detail) || {};
    this.applyGeometry(detail.width, detail.height);
  },
  applyGeometry: function (width, height) {
    if (!(width > 0 && height > 0) || this.geoDone) return;
    this.geoDone = true;
    var that = this, result = this.payload && this.payload.result;
    var rectangle = this.payload && this.payload.face_rectangle;
    var patch = {};
    this.data.cards.forEach(function (card, ci) {
      card.views.forEach(function (view, vi) {
        var box = frameBox(width, height, rectangle, CONTENT_DOWN[view.key] || 0);
        var marks = report.marks(result, view.key, width, height);
        // H5：有色沉图层时不再画黑色素框（避免和 browning 图层重复）
        if (view.key === 'color' && view.layers && view.layers.length) {
          marks = marks.filter(function (mark) { return mark.color !== MELANIN_COLOR; });
        }
        var key = 'cards[' + ci + '].views[' + vi + ']';
        patch[key + '.photoStyle'] = box.style;
        patch[key + '.fit'] = 'scaleToFill';
        patch[key + '.marks'] = placeMarks(marks, width, height, box);
      });
    });
    if (that.alive !== false) this.setData(patch);
  },

  /* ─── 视角切换：保持既有 viewIndex / activeLayers 语义 ─── */
  onTabTap: function (event) {
    var dataset = (event && event.currentTarget && event.currentTarget.dataset) || {};
    var key = dataset.card, index = Number(dataset.index), patch = {}, selected = null;
    this.data.cards.forEach(function (card, ci) {
      if (card.key !== key) return;
      patch['cards[' + ci + '].index'] = index;
      selected = card.views[index] || null;
    });
    if (!selected) return;
    var flat = this.data.viewIndex;
    this.data.views.forEach(function (view, i) { if (view.key === selected.key) flat = i; });
    patch.viewIndex = flat;
    patch.activeLayers = this.payload && this.payload.result ? report.layers(this.payload.result, selected.key) : [];
    this.setData(patch);
  },

  /* ─── 侧脸照片 + 皱纹标注（H5 renderWrinkleSides / renderContourSides） ───
     pending：未标注一侧显示「皱纹标注加载中…」
     unavailable：显示「部分侧脸未获取皱纹标注，未标注的侧脸仅展示原图。」 */
  renderSides: function (views) {
    var payload = this.payload || {}, photos = this.photos || [];
    views = views || payload.wrinkle_views || {};
    var pending = !!(payload.wrinkle_job && payload.wrinkle_job.status === 'pending');
    var sides = ['left', 'right'].map(function (key, i) {
      var item = views[key];
      // 只使用该侧照片自己的接口数据：wrinkle_views → payload.side（H5 同序回退）
      if (!item || !item.result) item = (payload.side || {})[key];
      var source = (item && (item.result || item)) || {};
      var layer = report.mapURL(source.face_maps && source.face_maps.texture_enhanced_lines);
      return { key: key, photo: photos[i + 1] || '', layer: layer, loading: pending && !layer };
    });
    var shown = sides.filter(function (side) { return !!side.photo; });
    var plain = pending ? false : shown.some(function (side) { return !side.layer; });
    this.setData({ sides: sides, sidesShown: shown.length > 0,
      wrinkleNote: plain ? '部分侧脸未获取皱纹标注，未标注的侧脸仅展示原图。' : '' });
  },
  loadSides: function () {
    var that = this, job = this.payload && this.payload.wrinkle_job;
    if (!job || job.status !== 'pending' || !this.visible || this.loadingSides) return;
    this.loadingSides = true; this.signal = { canceled: false };
    var signal = this.signal;
    api.wrinkleViews(job.token, signal).then(function (data) {
      if (!that.alive || !that.visible || signal.canceled) return;
      that.payload.wrinkle_views = (data && data.wrinkle_views) || {};
      job.status = 'complete'; that.renderSides(that.payload.wrinkle_views);
    }).catch(function () {
      if (!that.alive || !that.visible || signal.canceled) return;
      job.status = 'unavailable'; that.renderSides(null);
    }).then(function () { that.loadingSides = false; if (signal.canceled && that.alive && that.visible) that.loadSides(); });
  },

  /* 推荐产品 → 淘宝商品详情（config.productItemIds 未配置时为 no-op，不伪造链接） */
  onMore: function () {
    var id = this.data.product && config.productItemIds[this.data.product.tier];
    if (!id) return;
    if (my.tb && my.tb.openDetail) my.tb.openDetail({ itemId: String(id) });
  },
  onHistory: function () { my.navigateTo({ url: '/pages/history/history' }); }
});