const system_alarm_data = []
const arr_alarm = []
const pageSize = 12
alarm_number = 0
last_time = 0
let addedAlarmdsMap = new Map();
function systemAlarm(alarmd_data)
{
    data_alarm = alarm_process(alarmd_data)
    data_length = data_alarm.length
    const totalPage = Math.ceil(data_length / pageSize)
    renderPage(totalPage,data_alarm)
    last_time = alarm_time
}
function translate_time(time)
{
    const timestamp = time;
    const date = new Date(timestamp);
    const year = date.getFullYear();
    const month = String(date.getMonth() + 1).padStart(2, '0'); 
    const day = String(date.getDate()).padStart(2, '0');
    const hours = String(date.getHours()).padStart(2, '0');
    const minutes = String(date.getMinutes()).padStart(2, '0');
    const seconds = String(date.getSeconds()).padStart(2, '0');
    const readableDate = `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
    return readableDate
}
function renderPage(totalPage,data_alarm) {
    const dataList = document.getElementById('system_alarm');
    const pageNumber = 1
    dataList.innerHTML = '';
    alarm_data_length = data_alarm.length
    const startIndex = (pageNumber - 1) * pageSize;
    const endIndex = Math.min(startIndex + pageSize, alarm_data_length);
    for (let i = startIndex; i < endIndex; i++) {
        ch = data_alarm[i].ch
        data_number = system_alarm_data.length
        const listItem = document.createElement('tr');
        dataList.appendChild(listItem);
        //自动生成告警信息编号
        const alarm_numbers = document.createElement('td');
        alarm_numbers.textContent = data_alarm[i].id
        dataList.appendChild(alarm_numbers);

        //自动生成告警通道
        const alarm_number_td = document.createElement('td');
        alarm_number_td.textContent = "CH"+ch
        dataList.appendChild(alarm_number_td);

        //自动生成告警时间
        const alarm_time_td = document.createElement('td');
        alarm_time = translate_time(data_alarm[i].time)
        alarm_time_td.textContent = alarm_time
        dataList.appendChild(alarm_time_td);
        
        //自动生成告警内容
        c_u = data_alarm[i].c_upper
        v_u = data_alarm[i].v_upper
        v_l = data_alarm[i].v_lower
        p_u = data_alarm[i].p_upper
        w_u = data_alarm[i].w_upper

        const alarm_title_td = document.createElement('td');
        if( c_u == 1)
        {
            alarm_title_td.textContent = "通道CH"+ ch +"电流已超上限"
        }
        if( v_u == 1)
        {
            alarm_title_td.textContent = "通道CH"+ ch +"电压已超上限"
        }
        if( v_l == 1)
        {
            alarm_title_td.textContent = "通道CH"+ ch +"电压已超下限"
        }
        if(p_u == 1)
        {
            alarm_title_td.textContent = "通道CH"+ ch +"功率已超上限"
        }
        if(w_u == 1)
        {
            alarm_title_td.textContent = "通道CH"+ ch +"耗电量已超上限"
        }
        alarm_title_td.style.width = '200px'
        dataList.appendChild(alarm_title_td);
    }
    renderPagination(totalPage);
}
function renderPagination(totalPage) {
    const page3_pagination = document.getElementById('page3_pagination')
    page3_pagination.innerHTML = '';
    for (let i = 1; i <= totalPage; i++) {
        const button = document.createElement('button');
        button.textContent = i;
        button.addEventListener('click', () => renderPage(i));
        page3_pagination.appendChild(button);
    }
}