import QtQuick 2.2
import Sailfish.Silica 1.0
import "../components"

// Dashboard dell'impianto. Legge api.summary (QVariantMap dal C++), quindi non
// dipende dallo scope delle property del main qml.
Page {
    id: page

    allowedOrientations: Orientation.All

    // obiettivo ACS scelto dall'utente (non sovrascritto dal refresh finche'
    // non lo tocca, altrimenti lo slider "salta" a ogni lettura)
    property int targetAcs: 55
    property bool targetAcsTouched: false
    // obiettivo della casa (zona 1); parte dalla temperatura attuale e non
    // viene sovrascritto dal refresh finche' l'utente non lo tocca
    property real targetCasa: 20
    property bool targetCasaTouched: false
    property string notice: ""
    property bool noticeIsError: false

    function openSettings() {
        pageStack.push(Qt.resolvedUrl("SettingsPage.qml"))
    }

    function showNotice(msg, isError) {
        page.notice = msg
        page.noticeIsError = isError === true
        noticeTimer.restart()
    }

    function raw(key) {
        return api.summary[key]
    }

    function temp(key) {
        return api.formatValue(page.raw(key))
    }

    function flag(key) {
        return page.raw(key) ? qsTr("sì") : qsTr("no")
    }

    function count(key) {
        var v = page.raw(key)
        if (v === undefined || v === null)
            return "—"
        return String(Math.round(Number(v)))
    }

    // "2026-10-09 18:52:17.199340" -> "18:52"
    function shortTime(s) {
        if (!s)
            return "—"
        var parts = String(s).split(" ")
        if (parts.length < 2)
            return String(s)
        return parts[1].substring(0, 5)
    }

    Timer {
        id: noticeTimer
        interval: 4000
        onTriggered: page.notice = ""
    }

    RemorseItem { id: remorse }

    Connections {
        target: api
        onErrorOccurred: page.showNotice(message, true)
        onCommandFinished: page.showNotice(message, !ok)
        onSummaryChanged: {
            if (!page.targetAcsTouched) {
                var v = page.raw("dhw_target")
                if (v !== undefined && v !== null)
                    page.targetAcs = Math.round(Number(v))
            }
            if (!page.targetCasaTouched) {
                var c = page.raw("zone1_setpoint")
                if (c !== undefined && c !== null && Number(c) > 0)
                    page.targetCasa = Math.round(Number(c) * 2) / 2
            }
        }
    }

    SilicaFlickable {
        id: flick
        anchors.fill: parent
        contentHeight: col.height + Theme.paddingLarge

        // I menu pulley stanno DENTRO la vista: come figli diretti della Page
        // fanno deref su null (TypeError + crash).
        PullDownMenu {
            MenuItem {
                text: qsTr("Aggiorna")
                onClicked: api.refresh()
            }
            MenuItem {
                text: qsTr("Impostazioni")
                onClicked: page.openSettings()
            }
        }

        Column {
            id: col
            width: parent.width
            spacing: Theme.paddingSmall

            PageHeader { title: qsTr("Aira") }

            // ---- avvisi ---------------------------------------------------- //
            Label {
                visible: page.notice.length > 0
                x: Theme.horizontalPageMargin
                width: parent.width - 2 * Theme.horizontalPageMargin
                text: page.notice
                color: page.noticeIsError ? Theme.errorColor : Theme.highlightColor
                font.pixelSize: Theme.fontSizeSmall
                wrapMode: Text.Wrap
            }

            // ---- bridge non configurato ------------------------------------ //
            Label {
                visible: !api.configured
                x: Theme.horizontalPageMargin
                width: parent.width - 2 * Theme.horizontalPageMargin
                text: qsTr("Bridge non configurato. Apri le impostazioni e inserisci l'indirizzo del server e il token.")
                color: Theme.secondaryColor
                font.pixelSize: Theme.fontSizeSmall
                wrapMode: Text.Wrap
            }

            Button {
                visible: !api.configured
                anchors.horizontalCenter: parent.horizontalCenter
                text: qsTr("Impostazioni")
                onClicked: page.openSettings()
            }

            // ---- casa: temperatura della casa (dato principale) ------------ //
            Label {
                visible: api.configured
                anchors.horizontalCenter: parent.horizontalCenter
                text: qsTr("Temperatura in casa")
                color: Theme.secondaryColor
                font.pixelSize: Theme.fontSizeSmall
            }

            Label {
                visible: api.configured
                anchors.horizontalCenter: parent.horizontalCenter
                text: page.temp("zone1_temperature") + " °C"
                color: Theme.primaryColor
                font.pixelSize: Theme.fontSizeHuge
            }

            ProgressBar {
                visible: api.configured
                anchors.horizontalCenter: parent.horizontalCenter
                width: parent.width - 4 * Theme.horizontalPageMargin
                minimumValue: 5
                maximumValue: 30
                value: {
                    var v = page.raw("zone1_temperature")
                    return (v === undefined || v === null) ? 0 : Number(v)
                }
            }

            Label {
                visible: api.configured
                anchors.horizontalCenter: parent.horizontalCenter
                text: qsTr("obiettivo %1 °C · %2").arg(page.temp("zone1_setpoint")).arg(api.modeLabel(page.raw("zone1_mode")))
                color: Theme.secondaryColor
                font.pixelSize: Theme.fontSizeExtraSmall
            }

            Slider {
                id: casaSlider
                visible: api.configured
                width: parent.width
                label: qsTr("Nuovo obiettivo casa")
                minimumValue: 5
                maximumValue: 30
                stepSize: 0.5
                value: page.targetCasa
                valueText: value.toFixed(1) + " °C"
                onValueChanged: {
                    page.targetCasaTouched = true
                    page.targetCasa = Math.round(value * 2) / 2
                }
            }

            Button {
                id: setCasaButton
                visible: api.configured
                anchors {
                    left: parent.left
                    right: parent.right
                    leftMargin: Theme.horizontalPageMargin
                    rightMargin: Theme.horizontalPageMargin
                }
                text: qsTr("Imposta casa a %1 °C").arg(page.targetCasa.toFixed(1))
                onClicked: remorse.execute(setCasaButton,
                                          qsTr("Temperatura della casa a %1 °C").arg(page.targetCasa.toFixed(1)),
                                          function() { api.sendCommand("set_heating_setpoint", page.targetCasa) })
            }

            // ---- acqua calda sanitaria ------------------------------------- //
            SectionHeader { visible: api.configured; text: qsTr("Acqua calda sanitaria") }

            Label {
                visible: api.configured
                anchors.horizontalCenter: parent.horizontalCenter
                text: page.temp("dhw_current") + " °C"
                color: Theme.primaryColor
                font.pixelSize: Theme.fontSizeLarge
            }

            ProgressBar {
                visible: api.configured
                anchors.horizontalCenter: parent.horizontalCenter
                width: parent.width - 4 * Theme.horizontalPageMargin
                minimumValue: 20
                maximumValue: 65
                value: {
                    var v = page.raw("dhw_current")
                    return (v === undefined || v === null) ? 0 : Number(v)
                }
            }

            InfoRow {
                visible: api.configured
                label: qsTr("Obiettivo acqua calda")
                value: page.temp("dhw_target") + " °C"
            }

            Slider {
                visible: api.configured
                width: parent.width
                label: qsTr("Nuovo obiettivo")
                minimumValue: 45
                maximumValue: 60
                stepSize: 1
                value: page.targetAcs
                valueText: value + " °C"
                onValueChanged: {
                    page.targetAcsTouched = true
                    page.targetAcs = Math.round(value)
                }
            }

            Button {
                id: setAcsButton
                visible: api.configured
                anchors {
                    left: parent.left
                    right: parent.right
                    leftMargin: Theme.horizontalPageMargin
                    rightMargin: Theme.horizontalPageMargin
                }
                text: qsTr("Imposta obiettivo %1 °C").arg(page.targetAcs)
                onClicked: remorse.execute(setAcsButton,
                                          qsTr("Obiettivo ACS a %1 °C").arg(page.targetAcs),
                                          function() { api.sendCommand("set_hot_water_target", page.targetAcs) })
            }

            Button {
                id: boostOnButton
                visible: api.configured
                anchors {
                    left: parent.left
                    right: parent.right
                    leftMargin: Theme.horizontalPageMargin
                    rightMargin: Theme.horizontalPageMargin
                }
                text: qsTr("Avvia boost ACS")
                onClicked: remorse.execute(boostOnButton, qsTr("Avvio del boost ACS"),
                                           function() { api.sendCommand("hot_water_boost_on") })
            }

            Button {
                id: boostOffButton
                visible: api.configured
                anchors {
                    left: parent.left
                    right: parent.right
                    leftMargin: Theme.horizontalPageMargin
                    rightMargin: Theme.horizontalPageMargin
                }
                text: qsTr("Ferma boost ACS")
                onClicked: remorse.execute(boostOffButton, qsTr("Arresto del boost ACS"),
                                           function() { api.sendCommand("hot_water_boost_off") })
            }

            // ---- stato impianto ------------------------------------------- //
            SectionHeader { visible: api.configured; text: qsTr("Impianto") }

            InfoRow { visible: api.configured; label: qsTr("Temperatura esterna"); value: page.temp("outdoor_temperature") + " °C" }
            InfoRow { visible: api.configured; label: qsTr("Temperatura interna (pompa)"); value: page.temp("indoor_temperature") + " °C" }
            InfoRow { visible: api.configured; label: qsTr("Modalità"); value: api.modeLabel(page.raw("operating_status")) }
            InfoRow { visible: api.configured; label: qsTr("Assenza"); value: page.flag("away_mode") }
            InfoRow { visible: api.configured; label: qsTr("Night mode"); value: page.flag("night_mode") }
            InfoRow { visible: api.configured; label: qsTr("Riscaldamento forzato"); value: page.flag("force_heating") }
            InfoRow { visible: api.configured; label: qsTr("Resistenze integrative"); value: page.flag("inline_heater") }
            InfoRow { visible: api.configured; label: qsTr("Zone"); value: page.count("zones") }
            InfoRow { visible: api.configured; label: qsTr("Errori"); value: page.count("errors_count") }
            InfoRow { visible: api.configured; label: qsTr("Aggiornato alle"); value: page.shortTime(page.raw("pump_updated")) }

            BusyIndicator {
                visible: api.busy
                anchors.horizontalCenter: parent.horizontalCenter
                size: BusyIndicatorSize.Small
                running: true
            }

            Label {
                visible: api.configured
                x: Theme.horizontalPageMargin
                width: parent.width - 2 * Theme.horizontalPageMargin
                text: qsTr("I comandi vengono inviati al bridge e da lì all'impianto: possono richiedere qualche secondo.")
                color: Theme.secondaryColor
                font.pixelSize: Theme.fontSizeExtraSmall
                wrapMode: Text.Wrap
            }
        }
    }

    Component.onCompleted: {
        if (api.configured)
            api.refresh()
    }
}