import QtQuick 2.0
import Sailfish.Silica 1.0
import Nemo.Notifications 1.0

Dialog {
    id: editDialog

    property int id
    property int modified
    property string title
    property string category
    property string content
    property bool favorite
    property string etag
    property bool error
    property string errorMessage
    property string date

    onAccepted: {
        notesApi.updateNote(id, { 'category': categoryField.text, 'content': contentArea.text, 'favorite': favoriteButton.selected } )
    }

    function reloadContent() {
        //notesApi.getNoteFromApi(id)
        /*note = notesApi.getNote(id)
        dialogHeader.title = title
        contentArea.text = content
        favoriteButton.selected = favorite
        categoryField.text = category
        modifiedDetail.modified = modified*/
    }

    SilicaFlickable {
        anchors.fill: parent
        contentHeight: mainColumn.height + Theme.paddingLarge

        PullDownMenu {
            MenuItem {
                text: qsTr("Reset")
                onClicked: reloadContent()
            }
            MenuItem {
                text: qsTr("Markdown syntax")
                onClicked: pageStack.push(Qt.resolvedUrl("SyntaxPage.qml"))
            }
        }

        Column {
            id: mainColumn
            width: parent.width

            DialogHeader {
                id: dialogHeader
                title: title
            }

            Column {
                width: parent.width
                spacing: Theme.paddingLarge

                Separator {
                    width: parent.width
                    color: Theme.primaryColor
                    horizontalAlignment: Qt.AlignHCenter
                }

                TextArea {
                    id: contentArea
                    width: parent.width
                    text: content
                    placeholderText: qsTr("No content")
                    font.family: appSettings.useMonoFont ? "DejaVu Sans Mono" : Theme.fontFamily
                    property int preTextLength: 0
                    property var listPrefixes: [/^( *)- /gm, /^( *)\* /gm, /^( *)\+ /gm, /^( *)- \[ \] /gm, /^( *)- \[[xX]\] /gm, /^( *)> /gm, /^( *)\d+. /gm]
                    onTextChanged: {
                        if (editDialog.status === PageStatus.Active &&
                                text.length > preTextLength &&
                                text.charAt(cursorPosition-1) === "\n") {
                            var clipboard = ""
                            var preLine = text.substring(text.lastIndexOf("\n", cursorPosition-2), text.indexOf("\n", cursorPosition-1))
                            listPrefixes.forEach(function(currentValue, index) {
                                var prefix = preLine.match(currentValue)
                                if (prefix !== null) {
                                    if (index === listPrefixes.length-1) {
                                        var newListNumber = parseInt(prefix[0].split(". ")[0]) + 1
                                        clipboard = prefix[0].replace(/\d/gm, newListNumber.toString())
                                    }
                                    else {
                                        clipboard = prefix[0]
                                    }
                                }
                            })
                            if (clipboard !== "") {
                                var tmpClipboard = Clipboard.text
                                Clipboard.text = clipboard
                                contentArea.paste()
                                Clipboard.text = tmpClipboard
                            }
                        }
                        preTextLength = text.length
                    }
                }
            }

            Flow {
                x: Theme.horizontalPageMargin
                width: parent.width - 2*x
                spacing: Theme.paddingMedium
                visible: opacity > 0.0
                opacity: categoryField.focus ? 1.0 : 0.0
                Behavior on opacity { FadeAnimator { } }

                Repeater {
                    id: categoryRepeater
                    model: notesApi.categories
                    BackgroundItem {
                        id: categoryBackground
                        width: categoryRectangle.width
                        height: categoryRectangle.height
                        Rectangle {
                            id: categoryRectangle
                            width: categoryLabel.width + Theme.paddingLarge
                            height: categoryLabel.height + Theme.paddingSmall
                            color: "transparent"
                            border.color: Theme.highlightColor
                            radius: height / 4
                            Label {
                                id: categoryLabel
                                anchors.centerIn: parent
                                text: modelData
                                color: categoryBackground.highlighted ? Theme.highlightColor : Theme.primaryColor
                                font.pixelSize: Theme.fontSizeSmall
                            }
                        }
                        onClicked: categoryField.text = modelData
                    }
                }
            }
            Row {
                x: Theme.horizontalPageMargin
                width: parent.width - x
                IconButton {
                    id: favoriteButton
                    property bool selected: favorite
                    width: Theme.iconSizeMedium
                    icon.source: (selected ? "image://theme/icon-m-favorite-selected?" : "image://theme/icon-m-favorite?") +
                                 (favoriteButton.highlighted ? Theme.secondaryHighlightColor : Theme.secondaryColor)
                    onClicked: {
                        api.updateNote(id, {'favorite': !favorite})
                    }
                }
                TextField {
                    id: categoryField
                    width: parent.width - favoriteButton.width
                    text: category
                    placeholderText: qsTr("No category")
                    label: qsTr("Category")
                    EnterKey.iconSource: "image://theme/icon-m-enter-accept"
                    EnterKey.onClicked: {
                        categoryField.focus = false
                    }
                    onFocusChanged: {
                        if (focus === false && text !== category) {
                            notesApi.updateNote(id, {'content': content, 'category': text}) // This does not seem to work without adding the content
                        }
                    }
                }
            }

            DetailItem {
                id: modifiedDetail
                label: qsTr("Modified")
                property int modified//: modified
                value: new Date(modified * 1000).toLocaleString(Qt.locale(), Locale.ShortFormat)
            }
        }

        VerticalScrollDecorator {}
    }

    allowedOrientations: defaultAllowedOrientations
}