import QtQuick 2.12
import QtQuick.Controls 2.3
import QtGraphicalEffects 1.13
import QtQuick.Dialogs 1.3

import utils 1.0
import shared.panels 1.0
import shared.popups 1.0

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

StatusModal {    
    id: popup
    height: 509

    property var store
    property bool isEdit: false
    property QtObject community: popup.store.chatsModelInst.communities.activeCommunity
    readonly property int maxCommunityNameLength: 30
    readonly property int maxCommunityDescLength: 140
    readonly property var communityColorValidator: Utils.Validate.NoEmpty
                                                   | Utils.Validate.TextHexColor

    onOpened: {
        if (isEdit) {
            contentItem.communityName.input.text = community.name;
            contentItem.communityDescription.input.text = community.description;
            contentItem.communityColor.color = community.communityColor;
            contentItem.communityColor.colorSelected = true
            if (community.largeImage) {
                contentItem.communityImage.selectedImage = community.largeImage
            }
            membershipRequirementSettingPopup.checkedMembership = community.access
        }
        contentItem.communityName.input.forceActiveFocus(Qt.MouseFocusReason)
    }
    onClosed: destroy()

    function isFormValid() {
        return contentItem.communityName.valid && contentItem.communityDescription.valid &&
            Utils.validateAndReturnError(contentItem.communityColor.color.toString().toUpperCase(),
                                        communityColorValidator) === ""
    }

    header.title: isEdit ?
            //% "Edit community"
            qsTrId("edit-community") :
            //% "New community"
            qsTrId("new-community")

    contentItem: ScrollView {

        id: scrollView

        property ScrollBar vScrollBar: ScrollBar.vertical

        property alias communityName: nameInput
        property alias communityDescription: descriptionTextArea
        property alias communityColor: colorDialog
        property alias communityImage: addImageButton
        property alias imageCropperModal: imageCropperModal

        contentHeight: content.height
        bottomPadding: 8
        width: popup.width

        ScrollBar.horizontal.policy: ScrollBar.AlwaysOff

        clip: true

        function scrollBackUp() {
            vScrollBar.setPosition(0)
        }

        Column {
            id: content
            width: popup.width
            spacing: 8

            Item {
                height: 8
                width: parent.width
            }

            StatusInput {
                id: nameInput
                label: qsTr("Name your community")
                charLimit: maxCommunityNameLength
                input.placeholderText: qsTr("A catchy name")
                validators: [StatusMinLengthValidator {
                    minLength: 1
                    errorMessage: Utils.getErrorMessage(nameInput.errors, "community name")
                }]
            }

            StatusInput {
                id: descriptionTextArea
                label: qsTr("Description")
                charLimit: maxCommunityDescLength

                input.placeholderText: qsTr("What your community is about")
                input.multiline: true
                input.implicitHeight: 88

                validators: [StatusMinLengthValidator {
                    minLength: 1
                    errorMessage: Utils.getErrorMessage(descriptionTextArea.errors, "community description")
                }]
            }

            StatusBaseText {
                id: thumbnailText
                //% "Thumbnail image"
                text: qsTrId("thumbnail-image")
                font.pixelSize: 15
                color: Theme.palette.directColor1
                anchors.left: parent.left
                anchors.leftMargin: 16
                anchors.topMargin: 8
            }

            Item {
                width: parent.width
                height: addImageButton.height + 32

                Rectangle {
                    id: addImageButton
                    color: imagePreview.visible ? "transparent" : Style.current.inputBackground
                    width: 128
                    height: width
                    radius: width / 2
                    anchors.centerIn: parent
                    property string selectedImage: ""

                    FileDialog {
                        id: imageDialog
                        //% "Please choose an image"
                        title: qsTrId("please-choose-an-image")
                        folder: shortcuts.pictures
                        nameFilters: [
                            //% "Image files (*.jpg *.jpeg *.png)"
                            qsTrId("image-files----jpg---jpeg---png-")
                        ]
                        onAccepted: {
                            addImageButton.selectedImage = imageDialog.fileUrls[0]
                            imageCropperModal.open()
                        }
                    }

                    Rectangle {
                        id: imagePreviewCropper
                        clip: true
                        width: parent.width
                        height: parent.height
                        radius: parent.width / 2
                        visible: !!addImageButton.selectedImage

                        Image {
                            id: imagePreview
                            visible: !!addImageButton.selectedImage
                            source: addImageButton.selectedImage
                            fillMode: Image.PreserveAspectFit
                            width: parent.width
                            height: parent.height
                        }
                        layer.enabled: true
                        layer.effect: OpacityMask {
                            maskSource: Rectangle {
                                anchors.centerIn: parent
                                width: imageCropperModal.width
                                height: imageCropperModal.height
                                radius: width / 2
                            }
                        }
                    }

                    Item {
                        id: addImageCenter
                        visible: !imagePreview.visible
                        width: uploadText.width
                        height: childrenRect.height
                        anchors.centerIn: parent

                        SVGImage {
                            id: imageImg
                            source: Style.svg("images_icon")
                            width: 20
                            height: 18
                            anchors.horizontalCenter: parent.horizontalCenter
                        }

                        StatusBaseText {
                            id: uploadText
                            //% "Upload"
                            text: qsTrId("upload")
                            anchors.top: imageImg.bottom
                            anchors.topMargin: 5
                            font.pixelSize: 15
                            color: Theme.palette.baseColor1
                        }
                    }

                    StatusRoundButton {
                        type: StatusRoundButton.Type.Secondary
                        icon.name: "add"
                        anchors.top: parent.top
                        anchors.right: parent.right
                        anchors.rightMargin: Style.current.halfPadding
                        highlighted: sensor.containsMouse
                    }

                    MouseArea {
                        id: sensor
                        hoverEnabled: true
                        anchors.fill: parent
                        cursorShape: Qt.PointingHandCursor
                        onClicked: imageDialog.open()
                    }

                    ImageCropperModal {
                        id: imageCropperModal
                        selectedImage: addImageButton.selectedImage
                        ratio: "1:1"
                    }
                }
            }

            StatusBaseText {
                //% "Community colour"
                text: qsTrId("community-color")
                font.pixelSize: 15
                color: Theme.palette.directColor1
                anchors.left: parent.left
                anchors.leftMargin: 16
            }

            Item {
                anchors.horizontalCenter: parent.horizontalCenter
                height: colorSelectorButton.height + 16
                width: parent.width - 32

                StatusPickerButton {
                    id: colorSelectorButton
                    anchors.top: parent.top
                    anchors.topMargin: 10

                    property string validationError: ""

                    bgColor: colorDialog.colorSelected ? 
                        colorDialog.color : Theme.palette.baseColor2
                    contentColor: colorDialog.colorSelected ? Theme.palette.indirectColor1 : Theme.palette.baseColor1
                    text: colorDialog.colorSelected ?
                        colorDialog.color.toString().toUpperCase() : 
                        //% "Pick a color"
                        qsTrId("pick-a-color")

                    onClicked: colorDialog.open();
                    onTextChanged: {
                        if (colorDialog.colorSelected) {
                            validationError = Utils.validateAndReturnError(text, communityColorValidator)
                        }
                    }

                    ColorDialog {
                        id: colorDialog
                        property bool colorSelected: false
                        color: Theme.palette.primaryColor1
                        onAccepted: colorSelected = true
                    }
                }

                StatusBaseText {
                    text: colorSelectorButton.validationError
                    visible: !!text
                    color: Theme.palette.dangerColor1
                    anchors.top: colorSelectorButton.bottom
                    anchors.topMargin: 4
                    anchors.right: colorSelectorButton.right
                }
            }

            StatusModalDivider {
                topPadding: 8
                bottomPadding: 8
                visible: !isEdit
            }

            StatusListItem {
                anchors.horizontalCenter: parent.horizontalCenter
                visible: !isEdit
                //% "Membership requirement"
                title: qsTrId("membership-title")
                label: {
                    switch (membershipRequirementSettingPopup.checkedMembership) {
                        //% "Require invite from another member"
                        case Constants.communityChatInvitationOnlyAccess: return qsTrId("membership-invite")
                        //% "Require approval"
                        case Constants.communityChatOnRequestAccess: return qsTrId("membership-approval")
                        //% "No requirement"
                        default: return qsTrId("membership-free")
                    }
                }
                sensor.onClicked: membershipRequirementSettingPopup.open()
                components: [
                    StatusIcon {
                        icon: "chevron-down"
                        rotation: 270
                        color: Theme.palette.baseColor1
                    }
                ]
            }

            StatusBaseText {
                visible: !isEdit
                height: visible ? implicitHeight : 0
                wrapMode: Text.WordWrap
                font.pixelSize: 13
                color: Theme.palette.baseColor1
                width: parent.width * 0.78
                //% "You can require new members to meet certain criteria before they can join. This can be changed at any time"
                text: qsTrId("membership-none-placeholder")
                anchors.left: parent.left
                anchors.leftMargin: 16
            }

            // Feature commented temporarily
            /*
            StatusSettingsLineButton {
                id: ensOnlySwitch
                anchors.top: privateExplanation.bottom
                anchors.topMargin: Style.current.padding
                isEnabled: profileModel.profile.ensVerified
                //% "Require ENS username"
                text: qsTrId("membership-ens")
                isSwitch: true
                onClicked: switchChecked = checked

                StatusToolTip {
                    visible: !ensOnlySwitch.isEnabled && ensMouseArea.isHovered
                    //% "You can only enable this setting if you have an ENS name"
                    text: qsTrId("you-can-only-enable-this-setting-if-you-have-an-ens-name")
                }

                MouseArea {
                    property bool isHovered: false

                    id: ensMouseArea
                    enabled: !ensOnlySwitch.isEnabled
                    visible: enabled
                    anchors.fill: parent
                    hoverEnabled: true
                    onEntered: isHovered = true
                    onExited: isHovered = false
                }
            }

            StyledText {
                visible: !isEdit
                height: visible ? implicitHeight : 0
                id: ensExplanation
                anchors.top: ensOnlySwitch.bottom
                wrapMode: Text.WordWrap
                anchors.topMargin: isEdit ? 0 : Style.current.halfPadding
                width: parent.width
                //% "Your community requires an ENS username to be able to join"
                text: qsTrId("membership-ens-description")
            }
            */
        }

    }

    leftButtons: [
        StatusRoundButton {
            id: btnBack
            visible: isEdit
            icon.name: "arrow-right"
            icon.width: 20
            icon.height: 16
            rotation: 180
            onClicked: popup.destroy()
        }
    ]

    rightButtons: [
        StatusButton {
            id: btnCreateEdit
            enabled: isFormValid()
            text: isEdit ?
                //% "Save"
                qsTrId("Save") :
                //% "Create"
                qsTrId("create")
            onClicked: {
                if (!isFormValid()) {
                    popup.contentItem.scrollBackUp()
                    return
                }

                let error = false;
                if(isEdit) {
                    error = popup.store.editCommunity(
                        community.id,
                        Utils.filterXSS(popup.contentItem.communityName.input.text),
                        Utils.filterXSS(popup.contentItem.communityDescription.input.text),
                        membershipRequirementSettingPopup.checkedMembership,
                        false,
                        popup.contentItem.communityColor.color.toString().toUpperCase(),
                        // to retain the existing image, pass "" for the image path
                        popup.contentItem.communityImage.selectedImage ===  community.largeImage ? "" : 
                            popup.contentItem.communityImage.selectedImage,
                        popup.contentItem.imageCropperModal.aX,
                        popup.contentItem.imageCropperModal.aY,
                        popup.contentItem.imageCropperModal.bX,
                        popup.contentItem.imageCropperModal.bY
                  )
                } else {
                    error = popup.store.createCommunity(
                        Utils.filterXSS(popup.contentItem.communityName.input.text),
                        Utils.filterXSS(popup.contentItem.communityDescription.input.text),
                        membershipRequirementSettingPopup.checkedMembership,
                        false, // ensOnlySwitch.switchChecked, // TODO:
                        popup.contentItem.communityColor.color.toString().toUpperCase(),
                        popup.contentItem.communityImage.selectedImage,
                        popup.contentItem.imageCropperModal.aX,
                        popup.contentItem.imageCropperModal.aY,
                        popup.contentItem.imageCropperModal.bX,
                        popup.contentItem.imageCropperModal.bY
                    )
                }

                if (error) {
                    creatingError.text = error.error
                    return creatingError.open()
                }

                popup.close()
            }
        }
    ]

    MessageDialog {
        id: creatingError
        //% "Error creating the community"
        title: qsTrId("error-creating-the-community")
        icon: StandardIcon.Critical
        standardButtons: StandardButton.Ok
    }

    MembershipRequirementPopup {
        anchors.centerIn: parent
        id: membershipRequirementSettingPopup
    }
}