"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.textStyle = exports.getRotation = exports.flowDirectionStyle = exports["default"] = exports.commonStyle = exports.TextStyle = void 0;
var _style = require("ol/style");
var _excluded = ["color"];
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
/**
 * 获取文本样式
 * @param text
 * @param style
 * @returns {*}
 * @constructor
 */
var TextStyle = exports.TextStyle = function TextStyle(_ref) {
  var text = _ref.text,
    style = _ref.style;
  return new _style.Style({
    text: new _style.Text(_objectSpread({
      text: String(text),
      font: '16px Calibri,sans-serif',
      fill: new _style.Fill({
        color: '#000'
      }),
      overflow: 'line',
      stroke: new _style.Stroke({
        color: '#fff',
        width: 2
      }),
      textAlign: 'center',
      textBaseline: 'middle'
    }, style))
  });
};

/**
 * 获取角度
 * @param feature
 * @param direction
 * @returns {number}
 */
var getRotation = exports.getRotation = function getRotation(feature) {
  var _feature$values_, _feature$getGeometry, _feature$getGeometry2;
  var _ref2 = (feature === null || feature === void 0 || (_feature$values_ = feature.values_) === null || _feature$values_ === void 0 ? void 0 : _feature$values_.data_json) && JSON.parse(feature.values_.data_json) || {},
    flowDirectionId = _ref2.flowDirectionId,
    startZ = _ref2.startZ,
    endZ = _ref2.endZ;
  flowDirectionId = flowDirectionId || String(flowDirectionId) === '0' ? flowDirectionId : feature.get('flow_direction');
  var direction = false;
  // 如果流向字段有值，就根据流向渲染，没有就根据高程渲染
  if (flowDirectionId !== undefined) {
    direction = Number(flowDirectionId) === 1;
  } else if (Number(startZ) && Number(endZ)) {
    direction = Number(startZ) > Number(endZ);
  }
  var type = feature === null || feature === void 0 || (_feature$getGeometry = feature.getGeometry()) === null || _feature$getGeometry === void 0 ? void 0 : _feature$getGeometry.getType();
  var rotation = 0;
  var coordinates = feature === null || feature === void 0 || (_feature$getGeometry2 = feature.getGeometry()) === null || _feature$getGeometry2 === void 0 ? void 0 : _feature$getGeometry2.getCoordinates();
  if (['LineString', 'MultiLineString'].includes(type)) {
    var _coordinates = _slicedToArray(coordinates, 2),
      start = _coordinates[0],
      end = _coordinates[1];
    if (['MultiLineString'].includes(type)) {
      var _coordinates$ = coordinates === null || coordinates === void 0 ? void 0 : coordinates[0];
      var _coordinates$2 = _slicedToArray(_coordinates$, 2);
      start = _coordinates$2[0];
      end = _coordinates$2[1];
    }
    var dx = direction ? start[0] - end[0] : end[0] - start[0];
    var dy = direction ? start[1] - end[1] : end[1] - start[1];
    rotation = Math.atan2(dy, dx);
  }
  return rotation;
};

/**
 * @description: 获取流向
 * @param {*} feature
 * @return {*}
 */
var flowDirectionStyle = exports.flowDirectionStyle = function flowDirectionStyle(feature) {
  var color = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '#ff4d4f';
  var rotation = getRotation(feature);
  return TextStyle({
    feature: feature,
    text: '➤',
    style: {
      rotation: -rotation,
      fill: new _style.Fill({
        color: color
      })
    }
  });
};
var textStyle = exports.textStyle = function textStyle(_ref3) {
  var feature = _ref3.feature,
    map = _ref3.map,
    minZoom = _ref3.minZoom,
    _ref3$field = _ref3.field,
    field = _ref3$field === void 0 ? 'code' : _ref3$field,
    _ref3$style = _ref3.style,
    style = _ref3$style === void 0 ? {} : _ref3$style;
  var _ref4 = style || {},
    color = _ref4.color,
    otherStyle = _objectWithoutProperties(_ref4, _excluded);
  var text = (feature === null || feature === void 0 ? void 0 : feature.get(field)) || '';
  var rotation = getRotation(feature);

  // 针对水平方向反的标注，旋转纠正
  if (rotation <= 0.5 && rotation >= -0.5) {
    rotation = rotation + Math.PI;
  }
  if (minZoom) {
    var _map$getView;
    var zoom = map === null || map === void 0 || (_map$getView = map.getView()) === null || _map$getView === void 0 ? void 0 : _map$getView.getZoom();
    if (zoom && zoom > minZoom) {
      text = text;
    } else {
      text = '';
    }
  }
  return TextStyle({
    text: text,
    style: _objectSpread({
      rotation: -rotation + Math.PI,
      fill: new _style.Fill({
        color: color || '#ff4d4f'
      }),
      textBaseline: 'top',
      offsetY: -20
    }, otherStyle)
  });
};
var commonStyle = exports.commonStyle = function commonStyle() {
  var color = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '#ff4d4f';
  return new _style.Style({
    image: new _style.Circle({
      radius: 7,
      fill: new _style.Fill({
        color: color
      }),
      stroke: new _style.Stroke({
        color: '#FFFFFF',
        width: 2
      })
    }),
    fill: new _style.Fill({
      color: color
    }),
    stroke: new _style.Stroke({
      color: color,
      width: 4
    })
  });
};
var style = function style(feature) {
  var color = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '#ff4d4f';
  return [commonStyle(color), textStyle({
    feature: feature,
    style: {
      offsetY: 40
    }
  }), flowDirectionStyle(feature, color)];
};
var _default = exports["default"] = style;
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