// Client side javascript
"use strict"

import * as map from './map.js'
import * as dt from './datetime.js'
import {loadAll, showChart, setNoUTC, tabtable} from './showcharts.js'
import { DateTime } from './luxon.min.js'
import {ttIndex, setCurrentTab, getCurrentTab, showError, fetchfromserver, cityCoords} from "./chart_utilities.js";
import * as spin from './spinner.js'


(async () => {

    // global variables
    const params = {                                  // set defaults
        center: {name: 'Stuttgart', coords: [48.778, 9.180]},
        zoom: 10,
        span: 1,
        peak: 70,
        weeks: 4,
        datetime: '',
        seldate: '',
        refreshRate: 5,
        sid: -1
    }

    let minDate = new Date(2023, 0, 1)
    
    const setting = [
        {
            typ: 'maptab', 
            show: ['ccity', 'odth'],
            val: ['centercity', 'olderthan'],
            param: [["center","name"], 'weeks']
        },
        {
            typ: 'livetab',
            show: ['stday', 'nbday'],
            val: ['startday', 'nbrofdays'],
            param: ['seldate', 'span'] 
        },{
            typ: 'houravgtab',    
            show: ['stday','pklim'],
            val: ['startday', 'peaklim'],
            param: ['seldate', 'peak']
        },{
            typ: 'dayavgtab',    
            show: ['stday','pklim'],
            val: ['startday', 'peaklim'],
            param: ['seldate', 'peak']
        },{
            typ: 'daynighttab',    
            show: ['stday'],
            val: ['startday'],
            param: ['seldate']
        },{
            typ: 'ldentab',    
            show: ['stday'],
            val: ['startday'],
            param: ['seldate']
        }   
    ]
    // END global variables

    //   localStorage.clear()


    // Check new map center
    const checkNewCenter = (oldC, newC) => {
        if((oldC[0] !== newC[0]) || (oldC[1] !== newC[1])) {
            map.setNewCenter(newC)
        }
    }

    // Register events
    // Button 'Save' pressed
    document.querySelector('#btnSave').addEventListener('click', async () => {
        let curtab =  getCurrentTab()
        for(let i = 0; i < setting.length; i++) {
            if(setting[i].typ === getCurrentTab()) {
                for(let j = 0; j < setting[i].show.length; j++) {
                    let elem = document.getElementById(setting[i].val[j])
                    let val = elem.value
                    if(elem.type === 'checkbox') {
                        val = elem.checked
                    }
                    let x = setting[i].param[j]
                    console.log('x: ', x)
                    if ( Array.isArray(x)) {
                        params[setting[i].param[j][0]][setting[i].param[j][1]] = val
                    } else {
                        params[setting[i].param[j]] = val
                    }
                }
                break
            }
        }
        if (curtab !== 'maptab') {
            let starttime
            if ((params.seldate === 'today') || (params.seldate === 'heute') || (DateTime.now().toFormat('yyyy-MM-dd') === params.seldate)) {
                starttime = ''
            } else {
                starttime = DateTime.fromFormat(params.seldate, 'yyyy-MM-dd').toUTC().toISO()
            }
            params.datetime = starttime
        } else {
            const oldCoords = params.center.coords
            params.center.coords = await cityCoords(params.center.name)
            checkNewCenter(oldCoords, params.center.coords)
            localStorage.setItem('centercity',JSON.stringify(params.center))
        }
        let newlng = document.querySelector('#sellan input:checked').id
        let oldlng = localStorage.getItem('curlang')
        localStorage.setItem('curlang', newlng)
        if(newlng !== oldlng) {
            location.reload()
        }
        spin.spinner.spin(spin.spindiv)
        await loadAll(params,0, curtab)
        spin.spinner.stop()
        // ToDo:
        // Load ALL incl. MAP und LIVE hier, d.h. an loadAll einen zusätzlichen Parameter übergeben
        // if(params.sid !== undefined) {
        //     await loadAll(params)
        // }
    })

    $.datepicker.regional['de'] = {
        monthNames: ['Januar','Februar','März','April','Mai','Juni',
        'Juli','August','September','Oktober','November','Dezember'],
        monthNamesShort: ['Jan','Feb','Mär','Apr','Mai','Jun',
        'Jul','Aug','Sep','Okt','Nov','Dez'],
        dayNames: ['Sonntag','Montag','Dienstag','Mittwoch','Donnerstag','Freitag','Samstag'],
        dayNamesShort: ['Son','Mon','Die','Mit','Don','Fre','Sam'],
        dayNamesMin: ['So','Mo','Di','Mi','Do','Fr','Sa'],
        firstDay: 1};

    // Btn 'Settings' pressed
    document.querySelector('#btnSet').addEventListener('click', () => {
        const curtab = getCurrentTab()
        let myModal = new bootstrap.Modal(document.getElementById('dialogSettings'), {backdrop: 'static'})
        const lang = localStorage.getItem('curlang')
        $('#startday').datepicker($.extend(
            {},
            $.datepicker.regional[lang],
            {
                dateFormat: 'yy-mm-dd',
                maxDate: new Date(),
                minDate: minDate,
            })
        )
        document.getElementById('startday').value = params.seldate
        document.getElementById('nbrofdays').value = params.span
        document.getElementById('peaklim').value = params.peak
        document.getElementById('olderthan').value = params.weeks
        const centercity = JSON.parse(localStorage.getItem('centercity'))
        document.getElementById('centercity').value = centercity.name
        // select different infos depending on the selcted tab
        // first clear all
        document.querySelector('#ccity').style.display = 'none'
        document.querySelector('#stday').style.display = 'none'
        document.querySelector('#nbday').style.display = 'none'
        document.querySelector('#pklim').style.display = 'none'
        document.querySelector('#odth').style.display = 'none'
        for(let i = 0; i < setting.length; i++) {
            if(setting[i].typ === curtab) {
                for(let j = 0; j < setting[i].show.length; j++) {
                    let x = `#${setting[i].show[j]}`
                    document.querySelector(`#${setting[i].show[j]}`).style.display = 'inline'
                }
                break
            }
        }
        myModal.show()
    })

    const getSensorType = async (sid) => {
        let url = `/srv/getoneproperty?sensorid=${sid}`
        const data = await fetchfromserver(url)
        return data.props
    }

    // main function:
    // show the map if called w/o any parameter
    // if called with a sensor-ID, show the live chart for this sensor
    async function main() {
        setNoUTC()                                              // no UTC for HighCharts
        // set correct language
        let currentLang =  localStorage.getItem('curlang')
        if ((currentLang === null) || (currentLang === '')) {
            currentLang = 'de'
            localStorage.setItem('curlang', currentLang)
        }
        let centercity
        try {
            centercity = JSON.parse(localStorage.getItem('centercity'))
        } catch (e) {
            centercity = params.center
        }
        if((centercity === null) || (centercity.name === '')) {
            centercity = params.center
        }
        localStorage.setItem('centercity', JSON.stringify(centercity))
        params.center = centercity
        if(currentLang === 'en') {
            document.querySelector('#en').checked = true
            params.seldate = 'today'
        } else {
            document.querySelector('#de').checked = true
            params.seldate = 'heute'
        }
        console.log(currentLang)
        if (parseInt(sysparams.csid) !== -1) {
            history.pushState({}, '', `/${sysparams.csid}`)
        } else {
            history.pushState({}, '', '/')  
        }

        dt.showDate(true, params)
        // and show date/time every minute
        setInterval(() => dt.showDate(false, params), 1000)

        // initialise tabs
        const triggerTabList = [].slice.call(document.querySelectorAll('.nav-link'))
        triggerTabList.forEach(function (triggerEl) {
            let tabTrigger = new bootstrap.Tab(triggerEl)

            triggerEl.addEventListener('click', function (event) {
                event.preventDefault()
                tabTrigger.show()
                let newtab = event.currentTarget.id
                setCurrentTab(newtab)
                let tab = tabtable.find(tab => tab.id === newtab)
                if (document.querySelector(`#${tab.id}err`).innerHTML !== '') {    // if there is an error message, clear it
                    showError(document.querySelector(`#${tab.id}err`).innerHTML)
                }
                if (newtab === 'maptab') {
                    map.showMap(params)
                }
            })
        })
        const csid = parseInt(sysparams.csid)
        if(csid !== -1) {
            spin.spinner.spin(spin.spindiv)
            // check, if sid is of right type (noise)
            const props = await getSensorType(csid)
            if (props.type !== 'noise') {
                // wrong sensor type
                spin.spinner.stop()
                showError('Sensor ID ' + csid + ' is not of type noise')
                return
            }
            params.center.coords = [props.location[0].loc.coordinates[1], props.location[0].loc.coordinates[0]] 
            params.sid = csid
            let t = triggerTabList[1]
            let tt = new bootstrap.Tab(t)
            tt.show()
            setCurrentTab('livetab')
            let err = await showChart(params, ttIndex.live)
            spin.spinner.stop()
            if (err.error) {
                let errtxt = document.querySelector(`#${tabtable[ttIndex.live].id}err`).innerHTML
                if (errtxt !== '') {
                    showError(errtxt)
                }
            }
            await loadAll(params)
        } else {
            // show the map
            map.showMap(params)
        }
    }

    main().catch(console.error)

})()