import QtQuick 2.2
import Sailfish.Silica 1.0
import "../js/i18n.js" as I18N
import "../js/catalog.js" as Catalog

// "Razze disponibili" (prima scheda del SettingsPage dell'app Flutter):
// il catalogo completo con l'interruttore di attivazione. Attivare una razza
// crea l'allevamento (senza galline), disattivarla lo elimina dopo conferma.
Page {
    id: page
    allowedOrientations: Orientation.All

    property string lang: "en"
    property bool ready: false
    // razze attive (id) ricostruite dal livello dati
    property var enabledIds: []

    function tr(key, arg) { return I18N.t(key, arg, page.lang) }

    ListModel { id: breedModel }

    function isEnabled(breedId) {
        return page.enabledIds.indexOf(breedId) >= 0
    }

    function henCount(breedId) {
        var settings = appData.breedSettings()
        for (var i = 0; i < settings.length; i++) {
            if (settings[i].breedId === breedId) {
                var hens = settings[i].hens
                return hens ? hens.length : 0
            }
        }
        return 0
    }

    function reload() {
        page.lang = I18N.langFor(appSettings.language, Qt.locale().name)

        var settings = appData.breedSettings()
        var ids = []
        for (var i = 0; i < settings.length; i++)
            ids.push(settings[i].breedId)
        page.enabledIds = ids

        breedModel.clear()
        for (var j = 0; j < Catalog.HF_BREEDS.length; j++) {
            var b = Catalog.HF_BREEDS[j]
            breedModel.append({
                "n": j,
                "name": page.tr(b.name),
                "description": page.tr(b.description),
                "eggColor": page.tr("egg_color") + ": " + page.tr(b.eggColor),
                "production": b.eggsPerHenPerDay.toFixed(1) + " " + page.tr("eggs_per_g"),
                "enabled": page.isEnabled(b.id),
                "hens": page.henCount(b.id)
            })
        }
    }

    // Attivazione immediata; disattivazione con conferma (come l'originale,
    // che avverte perche' si perdono le galline registrate).
    function toggleBreed(index) {
        var breed = Catalog.HF_BREEDS[index]
        if (!breed)
            return
        if (page.isEnabled(breed.id)) {
            confirmDialog.pendingId = breed.id
            confirmDialog.open()
        } else {
            var settings = appData.breedSettings()
            settings.push({ "breedId": breed.id, "hens": [] })
            appData.saveBreedSettings(settings)
            page.reload()
        }
    }

    function removeBreed(breedId) {
        var settings = appData.breedSettings()
        var out = []
        for (var i = 0; i < settings.length; i++) {
            if (settings[i].breedId !== breedId)
                out.push(settings[i])
        }
        appData.saveBreedSettings(out)
        page.reload()
    }

    Component.onCompleted: page.reload()

    onStatusChanged: {
        if (status !== PageStatus.Active)
            return
        if (page.ready)
            page.reload()
        page.ready = true
    }

    SilicaListView {
        id: listView
        anchors.fill: parent

        header: Column {
            width: listView.width

            PageHeader { title: page.tr("available_breeds") }
        }

        model: breedModel

        delegate: ListItem {
            id: breedItem
            contentHeight: photo.height + Theme.paddingMedium

            Image {
                id: photo
                x: Theme.horizontalPageMargin
                y: Theme.paddingMedium
                width: Theme.itemSizeLarge
                height: Theme.itemSizeLarge
                source: "file://" + Catalog.HF_BREEDS[model.n].asset
                fillMode: Image.PreserveAspectCrop
                asynchronous: true
            }

            Column {
                x: photo.x + photo.width + Theme.paddingMedium
                y: Theme.paddingMedium
                width: parent.width - x - switchControl.width - 2 * Theme.horizontalPageMargin
                spacing: Theme.paddingSmall

                Label {
                    width: parent.width
                    text: model.name
                    color: breedItem.highlighted ? Theme.highlightColor : Theme.primaryColor
                    truncationMode: TruncationMode.Fade
                }

                Label {
                    width: parent.width
                    text: model.description
                    color: Theme.secondaryColor
                    font.pixelSize: Theme.fontSizeExtraSmall
                    wrapMode: Text.Wrap
                    maximumLineCount: 2
                    truncationMode: TruncationMode.Elide
                }

                Label {
                    width: parent.width
                    text: model.eggColor
                    color: Theme.secondaryColor
                    font.pixelSize: Theme.fontSizeExtraSmall
                    truncationMode: TruncationMode.Fade
                }

                Label {
                    width: parent.width
                    text: model.hens > 0 ? (model.production + " · " + model.hens + " " + page.tr("hens"))
                                        : model.production
                    color: Theme.secondaryColor
                    font.pixelSize: Theme.fontSizeExtraSmall
                    truncationMode: TruncationMode.Fade
                }
            }

            Switch {
                id: switchControl
                anchors {
                    right: parent.right
                    rightMargin: Theme.horizontalPageMargin
                    verticalCenter: photo.verticalCenter
                }
                checked: model.enabled
                onClicked: page.toggleBreed(model.n)
            }
        }

        VerticalScrollDecorator {}
    }

    Dialog {
        id: confirmDialog
        property string pendingId: ""

        Column {
            width: parent.width

            DialogHeader {
                title: page.tr("confirm_deactivation")
                acceptText: page.tr("deactivate")
            }

            Label {
                x: Theme.horizontalPageMargin
                width: parent.width - 2 * Theme.horizontalPageMargin
                text: page.tr("delete_msg")
                color: Theme.secondaryColor
                font.pixelSize: Theme.fontSizeSmall
                wrapMode: Text.Wrap
            }
        }

        onAccepted: page.removeBreed(confirmDialog.pendingId)
    }
}