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

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

    signal saveFileAs()
    signal openExternally()

    Layout.alignment: sentByMe ? Qt.AlignRight : Qt.AlignLeft

    id: root

    spacing: 0

    Label {
        Layout.leftMargin: 48

        text: author.displayName

        visible: avatarVisible

        font.pixelSize: 13
        verticalAlignment: Text.AlignVCenter
    }

    RowLayout {
        z: -5

        id: messageRow

        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()
            }
        }

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

            visible: !(sentByMe || avatarVisible)

            text: Qt.formatDateTime(time, "hh:mm")
            color: MPalette.lighter

            font.pixelSize: 10
            horizontalAlignment: Label.AlignHCenter
            verticalAlignment: Label.AlignVCenter
        }

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

            verticalPadding: 8
            horizontalPadding: 16

            background: Rectangle {
                color: sentByMe ? "#009DC2" : eventType === "notice" ? "#4285F4" : "#673AB7"
                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

                        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: 4

                        background: RippleEffect {
                            onClicked: goToEvent(replyEventId)
                        }

                        contentItem: Label {
                            Layout.fillWidth: true

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

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

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

                    visible: replyVisible
                    color: "white"
                }

                TextEdit {
                    Layout.fillWidth: true

                    id: contentLabel

                    text: "<style>a{color: white;} .user-pill{}</style>" + display

                    color: "white"

                    font.family: window.font.family
                    font.pixelSize: 14
                    selectByMouse: true
                    readOnly: true
                    wrapMode: Label.Wrap
                    selectedTextColor: Material.accent
                    selectionColor: "white"
                    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
                    }
                }
            }
        }
    }
}