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/*
*/
var ParsedComponents = require('../../result').ParsedComponents;
var Refiner = require('../refiner').Refiner;
var mergeDateTimeComponent = require('../en/ENMergeDateTimeRefiner').mergeDateTimeComponent;
var PATTERN = new RegExp("^\\s*(T|à|a|vers|de|,|-)?\\s*$");
function isDateOnly(result) {
return !result.start.isCertain('hour') || result.tags['FRCasualDateParser'];
}
function isTimeOnly(result) {
return !result.start.isCertain('month') && !result.start.isCertain('weekday');
}
function isAbleToMerge(text, prevResult, curResult) {
var textBetween = text.substring(prevResult.index + prevResult.text.length, curResult.index);
return textBetween.match(PATTERN);
}
function mergeResult(text, dateResult, timeResult){
var beginDate = dateResult.start;
var beginTime = timeResult.start;
var beginDateTime = mergeDateTimeComponent(beginDate, beginTime);
if (dateResult.end != null || timeResult.end != null) {
var endDate = dateResult.end == null ? dateResult.start : dateResult.end;
var endTime = timeResult.end == null ? timeResult.start : timeResult.end;
var endDateTime = mergeDateTimeComponent(endDate, endTime);
if (dateResult.end == null && endDateTime.date().getTime() < beginDateTime.date().getTime()) {
// Ex. 9pm - 1am
if (endDateTime.isCertain('day')) {
endDateTime.assign('day', endDateTime.get('day') + 1);
} else {
endDateTime.imply('day', endDateTime.get('day') + 1);
}
}
dateResult.end = endDateTime;
}
dateResult.start = beginDateTime;
var startIndex = Math.min(dateResult.index, timeResult.index);
var endIndex = Math.max(
dateResult.index + dateResult.text.length,
timeResult.index + timeResult.text.length);
dateResult.index = startIndex;
dateResult.text = text.substring(startIndex, endIndex);
for (var tag in timeResult.tags) {
dateResult.tags[tag] = true;
}
dateResult.tags['FRMergeDateAndTimeRefiner'] = true;
return dateResult;
}
exports.Refiner = function FRMergeDateTimeRefiner() {
Refiner.call(this);
this.refine = function(text, results, opt) {
if (results.length < 2) return results;
var mergedResult = [];
var currResult = null;
var prevResult = null;
for (var i = 1; i < results.length; i++) {
currResult = results[i];
prevResult = results[i-1];
if (isDateOnly(prevResult) && isTimeOnly(currResult)
&& isAbleToMerge(text, prevResult, currResult)) {
prevResult = mergeResult(text, prevResult, currResult);
currResult = null;
i += 1;
} else if (isDateOnly(currResult) && isTimeOnly(prevResult)
&& isAbleToMerge(text, prevResult, currResult)) {
prevResult = mergeResult(text, currResult, prevResult);
currResult = null;
i += 1;
}
mergedResult.push(prevResult);
}
if (currResult != null) {
mergedResult.push(currResult);
}
return mergedResult;
}
}
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