import QtQuick 2.12
import QtQuick.Controls 2.12
import QtQuick.Layouts 1.12
import QtQuick.Controls.Material 2.12

import Spectral 0.1
import Spectral.Setting 0.1

import Spectral.Component 2.0
import Spectral.Dialog 2.0
import Spectral.Menu.Timeline 2.0
import Spectral.Effect 2.0

RowLayout {
    readonly property bool avatarVisible: !sentByMe && (aboveAuthor !== author || aboveSection !== section || aboveEventType === "state" || aboveEventType === "emote" || aboveEventType === "other")
    readonly property bool sentByMe: author === currentRoom.localUser
    readonly property bool darkBackground: !sentByMe
    readonly property bool replyVisible: replyEventId || false

    signal saveFileAs()
    signal openExternally()

    id: root

    z: -5

    spacing: 4

    Avatar {
        Layout.preferredWidth: 32
        Layout.preferredHeight: 32
        Layout.alignment: Qt.AlignTop

        visible: avatarVisible
        hint: author.displayName
        source: author.avatarMediaId

        Component {
            id: userDetailDialog

            UserDetailDialog {}
        }

        RippleEffect {
            anchors.fill: parent

            circular: true

            onClicked: userDetailDialog.createObject(ApplicationWindow.overlay, {"room": currentRoom, "user": author}).open()
        }
    }

    Item {
        Layout.preferredWidth: 32
        Layout.preferredHeight: 32

        visible: !(sentByMe || avatarVisible)
    }

    Control {
        Layout.maximumWidth: messageListView.width - (!sentByMe ? 32 + root.spacing : 0) - 48

        verticalPadding: 8
        horizontalPadding: 16

        background: Rectangle {
            color: sentByMe ? MPalette.background : eventType === "notice" ? MPalette.primary : MPalette.accent
            radius: 18
            antialiasing: true

            AutoMouseArea {
                anchors.fill: parent

                id: messageMouseArea

                onSecondaryClicked: {
                    var contextMenu = messageDelegateContextMenu.createObject(ApplicationWindow.overlay)
                    contextMenu.viewSource.connect(function() {
                        messageSourceDialog.createObject(ApplicationWindow.overlay, {"sourceText": toolTip}).open()
                    })
                    contextMenu.reply.connect(function() {
                        roomPanelInput.replyUser = author
                        roomPanelInput.replyEventID = eventId
                        roomPanelInput.replyContent = contentLabel.selectedText || message
                        roomPanelInput.isReply = true
                        roomPanelInput.focus()
                    })
                    contextMenu.redact.connect(function() {
                        currentRoom.redactEvent(eventId)
                    })
                    contextMenu.popup()
                }


                Component {
                    id: messageDelegateContextMenu

                    MessageDelegateContextMenu {}
                }

                Component {
                    id: messageSourceDialog

                    MessageSourceDialog {}
                }
            }
        }

        contentItem: ColumnLayout {
            RowLayout {
                Layout.fillWidth: true

                visible: replyVisible

                Avatar {
                    Layout.preferredWidth: 28
                    Layout.preferredHeight: 28
                    Layout.alignment: Qt.AlignTop

                    source: replyVisible ? replyAuthor.avatarMediaId : ""
                    hint: replyVisible ? replyAuthor.displayName : "H"

                    RippleEffect {
                        anchors.fill: parent

                        circular: true

                        onClicked: userDetailDialog.createObject(ApplicationWindow.overlay, {"room": currentRoom, "user": replyAuthor}).open()
                    }
                }

                Control {
                    Layout.fillWidth: true

                    padding: 0

                    background: RippleEffect {
                        onClicked: goToEvent(replyEventId)
                    }

                    contentItem: Label {
                        Layout.fillWidth: true

                        visible: replyVisible
                        color: darkBackground ? "white" : MPalette.lighter
                        text: "<style>a{color: " + (darkBackground ? "white" : MPalette.foreground) + ";} .user-pill{}</style>" + (replyDisplay || "")

                        wrapMode: Label.Wrap
                        textFormat: Label.RichText
                    }
                }
            }

            Rectangle {
                Layout.fillWidth: true
                Layout.preferredHeight: 1

                visible: replyVisible
                color: darkBackground ? "white" : MPalette.lighter
            }

            TextEdit {
                Layout.fillWidth: true

                id: contentLabel

                text: "<style>a{color: " + (darkBackground ? "white" : MPalette.foreground) + ";} .user-pill{}</style>" + display

                color: darkBackground ? "white" : MPalette.foreground

                font.family: window.font.family
                font.pixelSize: 14
                selectByMouse: true
                readOnly: true
                wrapMode: Label.Wrap
                selectedTextColor: darkBackground ? MPalette.accent : "white"
                selectionColor: darkBackground ? "white" : MPalette.accent
                textFormat: Text.RichText

                onLinkActivated: {
                    if (link.startsWith("https://matrix.to/")) {
                        var result = link.replace(/\?.*/, "").match("https://matrix.to/#/(!.*:.*)/(\\$.*:.*)")
                        if (!result || result.length < 3) return
                        if (result[1] != currentRoom.id) return
                        if (!result[2]) return
                        goToEvent(result[2])
                    } else {
                        Qt.openUrlExternally(link)
                    }
                }

                MouseArea {
                    anchors.fill: parent
                    acceptedButtons: Qt.NoButton
                    cursorShape: parent.hoveredLink ? Qt.PointingHandCursor : Qt.ArrowCursor
                }
            }
        }
    }
}