import QtQuick 2.13
import QtQuick.Controls 2.13
import QtQuick.Layouts 1.13
import QtQuick.Dialogs 1.3
import QtGraphicalEffects 1.13

import StatusQ.Controls 0.1 as StatusQControls

import shared.panels 1.0
import shared.popups 1.0
import shared.status 1.0
import shared.controls 1.0
import shared.controls.chat 1.0
import "../popups"
import "../stores"

import StatusQ.Components 0.1

import utils 1.0

Item {
    property bool loading: false
    signal genKeyClicked()
    signal addExistingKeyClicked()

    id: loginView
    anchors.fill: parent

    function doLogin(password) {
        if (loading || password.length === 0)
            return

        loading = true
        LoginStore.login(password)
        txtPassword.textField.clear()
    }

    function resetLogin() {
        if(localAccountSettings.storeToKeychainValue === Constants.storeToKeychainValueStore)
        {
            connection.enabled = true
        }
        else
        {
            txtPassword.visible = true
            txtPassword.forceActiveFocus(Qt.MouseFocusReason)
        }
    }

    Component.onCompleted: {
        resetLogin()
    }

    Connections{
        id: connection
        target: LoginStore.loginModuleInst

        onObtainingPasswordError: {
            enabled = false
            obtainingPasswordErrorNotification.confirmationText = errorDescription
            obtainingPasswordErrorNotification.open()
        }

        onObtainingPasswordSuccess: {
            enabled = false
            doLogin(password)
        }
    }

    ConfirmationDialog {
        id: obtainingPasswordErrorNotification
        height: 270
        confirmButtonLabel: qsTr("Ok")

        onConfirmButtonClicked: {
            close()
        }

        onClosed: {
            txtPassword.visible = true
        }
    }

    Item {
        id: element
        width: 360
        height: 200
        anchors.verticalCenter: parent.verticalCenter
        anchors.horizontalCenter: parent.horizontalCenter

        UserImage {
            id: userImage

            anchors.horizontalCenter: parent.horizontalCenter

            image: LoginStore.currentAccount.thumbnailImage
            name: LoginStore.currentAccount.username
            colorId: LoginStore.currentAccount.colorId
            colorHash: LoginStore.currentAccount.colorHash
        }

        StyledText {
            id: usernameText
            text: LoginStore.currentAccount.username
            font.weight: Font.Bold
            font.pixelSize: 17
            anchors.top: userImage.bottom
            anchors.topMargin: 4
            anchors.horizontalCenter: parent.horizontalCenter
        }

        ConfirmAddExistingKeyModal {
            id: confirmAddExstingKeyModal
            onOpenModalClicked: {
                addExistingKeyClicked()
            }
        }

        SelectAnotherAccountModal {
            id: selectAnotherAccountModal
            onAccountSelected: {
                LoginStore.setCurrentAccount(index)
                resetLogin()
            }
            onOpenModalClicked: {
                addExistingKeyClicked()
            }
        }

        Rectangle {
            property bool isHovered: false
            id: changeAccountBtn
            width: 24
            height: 24
            anchors.left: usernameText.right
            anchors.leftMargin: 4
            anchors.verticalCenter: usernameText.verticalCenter

            color: isHovered ? Style.current.backgroundHover : Style.current.transparent

            radius: 4

            SVGImage {
                id: caretImg
                width: 10
                height: 6
                anchors.verticalCenter: parent.verticalCenter
                anchors.horizontalCenter: parent.horizontalCenter
                source: Style.svg("caret")
                fillMode: Image.PreserveAspectFit
            }
            ColorOverlay {
                anchors.fill: caretImg
                source: caretImg
                color: Style.current.secondaryText
            }
            MouseArea {
                hoverEnabled: true
                anchors.fill: parent
                cursorShape: Qt.PointingHandCursor
                onEntered: {
                    changeAccountBtn.isHovered = true
                }
                onExited: {
                    changeAccountBtn.isHovered = false
                }
                onClicked: {
                    if (LoginStore.rowCount() > 1) {
                        selectAnotherAccountModal.open()
                    } else {
                        confirmAddExstingKeyModal.open()
                    }
                }
            }
        }

        Input {
            id: txtPassword
            anchors.top: changeAccountBtn.bottom
            anchors.topMargin: Style.current.padding * 2
            enabled: !loading
            placeholderText: loading ?
                //% "Connecting..."
                qsTrId("connecting") :
                //% "Enter password"
                qsTrId("enter-password")
            textField.echoMode: TextInput.Password
            textField.focus: true
            Keys.onReturnPressed: {
                doLogin(textField.text)
            }
            onTextEdited: {
                errMsg.visible = false
                loading = false
            }
        }

        StatusQControls.StatusRoundButton {
            id: submitBtn
            width: 40
            height: 40
            type: StatusQControls.StatusRoundButton.Type.Secondary
            icon.name: "arrow-right"
            icon.width: 18
            icon.height: 14
            opacity: (loading || txtPassword.text.length > 0) ? 1 : 0
            anchors.left: txtPassword.visible? txtPassword.right : changeAccountBtn.right
            anchors.leftMargin: (loading || txtPassword.text.length > 0) ? Style.current.padding : Style.current.smallPadding
            anchors.verticalCenter: txtPassword.visible? txtPassword.verticalCenter : changeAccountBtn.verticalCenter
            state: loading ? "pending" : "default"
            onClicked: {
                doLogin(txtPassword.textField.text)
            }

            // https://www.figma.com/file/BTS422M9AkvWjfRrXED3WC/%F0%9F%91%8B-Onboarding%E2%8E%9CDesktop?node-id=6%3A0
            Behavior on opacity {
                OpacityAnimator {
                    from: 0.5
                    duration: 200
                }
            }
            Behavior on anchors.leftMargin {
                NumberAnimation {
                    duration: 200
                }
            }
        }

        Connections {
            target: LoginStore.loginModuleInst
            onAccountLoginError: {
                if (error) {
                    // SQLITE_NOTADB: "file is not a database"
                    if (error === "file is not a database") {
                        errMsg.text = errMsg.incorrectPasswordMsg
                    } else {
                        //% "Login failed: %1"
                        errMsg.text = qsTrId("login-failed---1").arg(error.toUpperCase())
                    }
                    errMsg.visible = true
                    loading = false
                    txtPassword.textField.forceActiveFocus()
                }
            }
        }

        StatusQControls.StatusFlatButton {
            id: generateKeysLinkText
            //% "Generate new keys"
            text: qsTrId("generate-new-keys")
            anchors.top: txtPassword.visible? txtPassword.bottom : changeAccountBtn.bottom
            anchors.topMargin: 16
            anchors.horizontalCenter: parent.horizontalCenter
            onClicked: {
                genKeyClicked();
            }
        }

        StyledText {
            id: errMsg
            //% "Login failed. Please re-enter your password and try again."
            readonly property string incorrectPasswordMsg: qsTrId("login-failed--please-re-enter-your-password-and-try-again-")
            anchors.top: generateKeysLinkText.bottom
            anchors.topMargin: Style.current.smallPadding
            anchors.horizontalCenter: parent.horizontalCenter
            visible: false
            text: incorrectPasswordMsg
            font.pixelSize: 13
            color: Style.current.danger
        }
    }
}