import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15

import utils 1.0

import StatusQ 0.1
import StatusQ.Controls 0.1
import StatusQ.Controls.Validators 0.1
import StatusQ.Core 0.1
import StatusQ.Core.Backpressure 0.1
import StatusQ.Core.Theme 0.1
import StatusQ.Popups 0.1

import "../stores"

StatusModal {
    id: root

    property ContactsStore contactsStore

    headerSettings.title: qsTr("Send Contact Request to chat key")
    padding: d.contentMargins

    QtObject {
        id: d

        readonly property int maxMsgLength: 280
        readonly property int minMsgLength: 1
        readonly property int msgHeight: 152
        readonly property int contentSpacing: 5
        readonly property int contentMargins: 16

        property int minChatKeyLength: 4 // ens or chat key
        property string realChatKey: ""
        property string resolvedPubKey: ""
        property string elidedChatKey: realChatKey.length > 32?
                                           realChatKey.substring(0, 15) + "..." + realChatKey.substring(realChatKey.length - 16) :
                                           realChatKey

        property bool validChatKey: false
        property bool showPasteButton: true
        property bool showChatKeyValidationIndicator: false
        property int showChatKeyValidationIndicatorSize: 24

        property var lookupContact: Backpressure.debounce(root, 400, function (value) {
            root.contactsStore.resolveENS(value)
        })

        function textChanged(text) {
            const urlContactData = Utils.parseContactUrl(text)
            if (urlContactData) {
                // Ignore all the data from the link, because it might be malformed.
                // Except for the publicKey.
                d.realChatKey = urlContactData.publicKey
                Qt.callLater(d.lookupContact, urlContactData.publicKey);
                return
            }

            d.resolvedPubKey = ""
            d.realChatKey = text

            if(d.realChatKey === "") {
                d.showPasteButton = true
                d.showChatKeyValidationIndicator = false
            }

            if (text.length < d.minChatKeyLength) {
                d.validChatKey = false
                return
            }

            if (Utils.isStatusDeepLink(text)) {
                text = Utils.getChatKeyFromShareLink(text)
            }
            Qt.callLater(d.lookupContact, text);
        }
    }

    Connections {
        target: root.contactsStore

        function onResolvedENS(resolvedPubKey: string, resolvedAddress: string, uuid: string) {
            if(!d.showChatKeyValidationIndicator){
                d.showPasteButton = false
                d.showChatKeyValidationIndicator = true
            }
            d.resolvedPubKey = resolvedPubKey
            d.validChatKey = (resolvedPubKey !== "")
        }
    }

    Component {
        id: chatKeyValidationIndicator
        Item {
            implicitWidth: d.showChatKeyValidationIndicatorSize
            implicitHeight: d.showChatKeyValidationIndicatorSize
            anchors.verticalCenter: parent.verticalCenter
            StatusIcon {
                anchors.fill: parent
                icon: d.validChatKey? "checkmark-circle" : "close-circle"
                color: d.validChatKey? Theme.palette.successColor1 : Theme.palette.dangerColor1
            }
        }
    }

    Component {
        id: pasteButtonComponent
        StatusButton {
            anchors.verticalCenter: parent.verticalCenter
            borderColor: Theme.palette.primaryColor1
            size: StatusBaseButton.Size.Tiny
            text: qsTr("Paste")
            onClicked: {
                d.realChatKey = ClipboardUtils.text
                d.showPasteButton = false
                d.textChanged(d.realChatKey)
            }
        }
    }

    contentItem: Column {
        id: content
        spacing: d.contentSpacing

        StatusInput {
            id: chatKeyInput
            input.edit.objectName: "SendContactRequestModal_ChatKey_Input"

            placeholderText: qsTr("Enter chat key here")
            input.text: input.edit.focus? d.realChatKey : d.elidedChatKey
            input.rightComponent: {
                if(d.showPasteButton)
                    return pasteButtonComponent
                else if(d.showChatKeyValidationIndicator)
                    return chatKeyValidationIndicator
                else
                    return null
            }
            input.onTextChanged: {
                if(input.edit.focus)
                {
                    d.textChanged(text)
                }
            }
        }

        StatusInput {
            id: messageInput
            input.edit.objectName: "SendContactRequestModal_SayWhoYouAre_Input"
            charLimit: d.maxMsgLength

            placeholderText: qsTr("Say who you are / why you want to become a contact...")
            input.multiline: true
            minimumHeight: d.msgHeight
            maximumHeight: d.msgHeight
            input.verticalAlignment: TextEdit.AlignTop

            validators: [StatusMinLengthValidator {
                    minLength: d.minMsgLength
                    errorMessage: Utils.getErrorMessage(messageInput.errors, qsTr("who are you"))
                }]
        }
    }

    rightButtons: [
        StatusButton {
            enabled: d.validChatKey && messageInput.valid
            objectName: "SendContactRequestModal_Send_Button"
            text: qsTr("Send Contact Request")
            onClicked: {
                root.contactsStore.sendContactRequest(d.resolvedPubKey, messageInput.text)
                root.close()
            }
        }
    ]
}