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 = alarmd_data
    const key = `${data_alarm.ch+1}-${data_alarm.time}`
    if(!addedAlarmdsMap.has(key))
    {
        system_alarm_data.push(data_alarm.alarm)
        addedAlarmdsMap.set(key,true)
    }
    arr = system_alarm_data
    alarm_ch_num = data_alarm.ch
    alarm_time = translate_time(data_alarm.time)
    alarm_data = data_alarm.alarm
    data_length = system_alarm_data.length
    const totalPage = Math.ceil(data_length / pageSize)
    renderPage(totalPage)
    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) {
    const dataList = document.getElementById('system_alarm');
    const pageNumber = 1
    dataList.innerHTML = '';
    const startIndex = (pageNumber - 1) * pageSize;
    const endIndex = Math.min(startIndex + pageSize, system_alarm_data.length);
    for (let i = startIndex; i < endIndex; i++) {
        data_number = system_alarm_data.length
        const listItem = document.createElement('tr');
        dataList.appendChild(listItem);
        //自动生成告警通道
        const alarm_numbers = document.createElement('td');
        alarm_numbers.textContent = i+1
        dataList.appendChild(alarm_numbers);

        //自动生成告警通道
        const alarm_number_td = document.createElement('td');
        ch_number = alarm_ch_num+1
        alarm_number_td.textContent = "CH"+ch_number
        dataList.appendChild(alarm_number_td);

        //自动生成告警时间
        const alarm_time_td = document.createElement('td');
        alarm_time_td.textContent = alarm_time
        dataList.appendChild(alarm_time_td);
        
        //电流上限
        const alarm_current_td = document.createElement('td');
        if(system_alarm_data[i][0] == 0)
        {
           alarm_current_td.textContent = "电流已超上限"
        }
        else
        {
            alarm_current_td.textContent = "未报警"
        }
        dataList.appendChild(alarm_current_td);

        //电压上限
        const alarm_voltage_max_td = document.createElement('td');
        if(system_alarm_data[i][1] == 0)
        {
            alarm_voltage_max_td.textContent = "电压已超上限"
        }
        else
        {
            alarm_voltage_max_td.textContent = "未报警"
        }
        dataList.appendChild(alarm_voltage_max_td);
        //电压下限
        const alarm_voltage_min_td = document.createElement('td');
        if(system_alarm_data[i][2] == 0)
        {
            alarm_voltage_min_td.textContent = "电压已超下限"
        }
        else
        {
            alarm_voltage_min_td.textContent = "未报警"
        }
        dataList.appendChild(alarm_voltage_min_td);
        //功率上限
        const alarm_power_td = document.createElement('td');
        if(system_alarm_data[i][3] == 0)
        {
            alarm_power_td.textContent = "功率已超上限"
        }
        else
        {
            alarm_power_td.textContent = "未报警"
        }
        dataList.appendChild(alarm_power_td);
        //耗电量上限
        const alarm_consump_td = document.createElement('td');
        if(system_alarm_data[i][4] == 0)
        {
            alarm_consump_td.textContent = "耗电量已超上限"
        }
        else
        {
            alarm_consump_td.textContent = "未报警"
        }
        dataList.appendChild(alarm_consump_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);
    }
}