/** 李鹏扬-v1.0.0 APP License By li.pengyang <li.pengyang@trs.com.cn> */

$(function(){
	pageIndex = window.pageIndex == undefined ? 1 : window.pageIndex;
	pageTotal = window.pageTotal == undefined ? 1 : window.pageTotal;

	numPages(); //分页按钮
	
	//上一页事件
	$(".c-pagination").on('click', '.c-page-prev', function() {
		if(pageIndex > 1) {
			pageIndex--;
			getdate(keyword, pageIndex);
		}
	});
	//下一页事件
	$(".c-pagination").on('click', '.c-page-next', function() {
		if(pageIndex < pageTotal) {
			pageIndex++;
			getdate(keyword, pageIndex);
		}
	});
	//页码事件
	$(".c-pagination").on("click", '.c-page-num', function() {
		if(!$(this).hasClass('active') && !$(this).hasClass('dimed')) {
			var punm = parseInt($(this).html());
			getdate(keyword, punm);
		}
	})
	//getdate(keyword);
	$(window).resize(function() {
		gun();
	});
	$(window).scroll(function() {
		gun();
	});
		
})

	var isLoading = false,
	keyword = "为了和搜索通用一个方法",
	// pageIndex = 1,
	// pageTotal = 1,
	sIndex = 1; //分页第一个开始数字
	
	function listInit() {
		
	}

	function gun() {
		var $this = $(window),
			viewH = $(window).height(), //可见高度
			contentH = $('body').get(0).scrollHeight, //内容高度
			scrollTop = $(window).scrollTop(); //滚动高度
		//if(contentH - viewH - scrollTop <= 100) { //到达底部100px时,加载新内容
		if(scrollTop / (contentH - viewH) >= 0.95 && $(window).width() < 769 && !isLoading) { //到达底部100px时,加载新内容
			if(pageIndex < pageTotal) {
				pageIndex++;
				getdate(keyword, pageIndex);
			}
		}
	}
	
	function Trim(str, is_global) {
		is_global = is_global || "g";
		var result;
		result = str.replace(/(^\s+)|(\s+$)/g, "");
		if(is_global.toLowerCase() == "g") {
			result = result.replace(/\s/g, "");
		}
		return result;
	}
	
	function getdate(keyword, pnum) {
		var lmbh = window.lmbh == undefined ? '' : window.lmbh;
		if(isLoading) return true;
		isLoading = true;
		if(keyword) {
			keyword = keyword;
			pnum = pnum ? pnum : 1;
			pageIndex = pnum;
			if($(window).width() < 769) {
				$('.c-seach-more').removeClass('hidden');
			}

			$('.c-seach-more p').html('正在加载中...');
			
			//by cC
			pagenum = pnum;
			var suffix = ".json";
			var templUrl = window.templUrl == undefined ?"/" : window.templUrl;
			templUrl = templUrl.substring(0,templUrl.lastIndexOf(suffix));
			templUrl = pagenum == 1 ? templUrl+ suffix : (templUrl + "_" + (pagenum - 1) + suffix)
			var hosturl = window.isDebug == true ? 'http://yingzaiqidian.cn/demo/ajax/json.php' : templUrl;

			$.ajax({
				url: hosturl,
				dataType: "text",
				//by cC
				type: "GET",
				success: function(data) {
					var jsondata = JSON.parse(Trim(data));
					isLoading = false;
					if(jsondata && jsondata.rows) {
						var li = '';
						for(var m = 0; m < jsondata.rows.length; m++) {
							var obj = jsondata.rows[m];
							
							li += '<li>';
							li += '	<a href="' + obj.DOCPUBURL + '">';
							li += '	<div class="time">';
							li += '		<div class="date">' + obj.DOCRELTIME.substring(8) + '</div>';
							li += '		<div class="year">' + obj.DOCRELTIME.substring(0,7) + '</div>';
							li += '	</div>';
							li += '			<div class="title">' + obj.DOCTITLE + '</div>';
							li += '			<p class="p">' + obj.DOCABSTRACT + '</p>';
							li += '	</a>';
							li += '</li>';
							
						}
						if(pnum == 1) {
							$('.c-list-cont').html(li);
						} else {
							if($(window).width() > 768) {
								$('.c-list-cont').html(li);
							} else {
								$('.c-list-cont').append(li);
							}
						}

						pageTotal = parseInt(jsondata.pageTotal);

						if(pageIndex >= pageTotal) {
							$('.c-seach-more p').html('已经到底了');
						} else {
							$('.c-seach-more p').html('正在加载中...');
						}
						numPages();
					} else {

						$('.c-list-cont').empty();
						$('.c-seach-more p').html('暂无数据');
					}
				},
				error: function(e) {
					isLoading = false;
					console.log('请求失败');
				}
			})
		} else {
			isLoading = false;
			alert('请输入检索词！')
		}
	}
	
	function numPages() {
		var m = 1;
		var li = '';
		if(pageTotal == 1) {
			$('.c-pagination').addClass('hidden');
		} else {
			$('.c-pagination').removeClass('hidden');
		}
		if(pageTotal <= 8) {
			li += '<li class="c-page-prev ' + (pageIndex == 1 ? 'dimed' : '') + '"><span class="iconfont icon-prev"></span></li>';
			for(m = 1; m <= pageTotal; m++) {
				li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
			}
			li += '<li class="c-page-next ' + (pageIndex == pageTotal ? 'dimed' : '') + '"><span class="iconfont icon-next"></span></li>';
			$('.c-pagination ul').html(li);
		} else {
			if(pageIndex - 3 >= sIndex) {
				li += '<li class="c-page-prev ' + (pageIndex == 1 ? 'dimed' : '') + '"><span class="iconfont icon-prev"></span></li>';
				if(pageIndex + 3 >= pageTotal - 2) {
					for(m = 1; m <= 2; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					li += '<li class="c-page-num dimed">……</li>';
					for(m = pageTotal - 5; m <= pageTotal; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					sIndex = 1;
				} else {
					for(m = pageIndex; m <= pageIndex + 3; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					li += '<li class="c-page-num dimed">……</li>';
					for(m = pageTotal - 2; m <= pageTotal; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					sIndex = pageIndex;
				}
				li += '<li class="c-page-next ' + (pageIndex == pageTotal ? 'dimed' : '') + '"><span class="iconfont icon-next"></span></li>';
				$('.c-pagination ul').html(li);
			} else {
				if(sIndex == pageIndex) {
					sIndex = pageIndex - 3 > 1 ? pageIndex - 3 : 1;
					li += '<li class="c-page-prev ' + (pageIndex == 1 ? 'dimed' : '') + '"><span class="iconfont icon-prev"></span></li>';
					for(m = sIndex; m <= sIndex + 3; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					li += '<li class="c-page-num dimed">……</li>';
					for(m = pageTotal - 2; m <= pageTotal; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					li += '<li class="c-page-next ' + (pageIndex == pageTotal ? 'dimed' : '') + '"><span class="iconfont icon-next"></span></li>';
					$('.c-pagination ul').html(li);
					sIndex = pageIndex;
				} else if(pageIndex == sIndex - 1) {
					sIndex = pageIndex - 3 > 1 ? pageIndex - 3 : 1;
					li += '<li class="c-page-prev ' + (pageIndex == 1 ? 'dimed' : '') + '"><span class="iconfont icon-prev"></span></li>';
					for(m = sIndex; m <= sIndex + 3; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					li += '<li class="c-page-num dimed">……</li>';
					for(m = pageTotal - 2; m <= pageTotal; m++) {
						li += '<li class="c-page-num ' + (pageIndex == m ? "active" : "") + '">' + m + '</li>'
					}
					li += '<li class="c-page-next ' + (pageIndex == pageTotal ? 'dimed' : '') + '"><span class="iconfont icon-next"></span></li>';
					$('.c-pagination ul').html(li);
					sIndex = pageIndex;
				} else {
					if(pageIndex == pageTotal) {
						$('.c-page-next').addClass('dimed');
					} else {
						$('.c-page-next').removeClass('dimed');
					}
					if(pageIndex == 1) {
						$('.c-page-prev').addClass('dimed');
					} else {
						$('.c-page-prev').removeClass('dimed');
					}
					$('.c-pagination .c-page-num').removeClass('active');
					for(m = 0; m < $('.c-pagination ul li').length; m++) {
						var pnum = parseInt($('.c-pagination ul li').eq(m).html());
						if(pnum == pageIndex) {
							$('.c-pagination ul li').eq(m).addClass('active');
							break;
						}
					}
				}
			}

		}
	}