import QtQuick 2.15
import QtQuick.Layouts 1.15
import QtQml.Models 2.15
import SortFilterProxyModel 0.2

import StatusQ.Popups 0.1
import StatusQ.Popups.Dialog 0.1
import StatusQ.Controls 0.1
import StatusQ.Components 0.1
import StatusQ.Core 0.1
import StatusQ.Core.Theme 0.1
import StatusQ.Core.Utils 0.1
import StatusQ 0.1

import utils 1.0

import AppLayouts.Wallet.controls 1.0
import AppLayouts.Wallet.adaptors 1.0
import AppLayouts.Wallet.panels 1.0
import AppLayouts.Wallet.stores 1.0

StatusStackModal {
    id: root

    // required data
    required property var buyProvidersModel
    required property var isBuyProvidersModelLoading

    required property BuyCryptoParamsForm buyCryptoInputParamsForm
    required property var plainTokensBySymbolModel
    required property var groupedAccountAssetsModel
    required property var walletAccountsModel
    required property var networksModel
    required property bool areTestNetworksEnabled
    required property string currentCurrency

    signal fetchProviders()
    signal fetchProviderUrl(string uuid,
                            string providerID,
                            bool isRecurrent,
                            string selectedWalletAddress,
                            int chainID,
                            string symbol)

    // FIXME handling error in case the response is not successful
    function providerUrlReady(uuid, url) {
        if(uuid === d.uuid) {
            d.urlIsBeingFetched = false
            if (!!d.selectedProviderEntry.item && !!url)
                Global.openLinkWithConfirmation(url, d.selectedProviderEntry.item.hostname)
            root.close()
        }
    }
    
    QtObject {
        id: d

        // States to track requests
        property string uuid
        property bool urlIsBeingFetched

        readonly property var buyButton: StatusButton {
            height: root.finishButton.height
            visible: !!root.replaceItem
            borderColor: "transparent"
            text: qsTr("Buy via %1").arg(!!d.selectedProviderEntry.item ? d.selectedProviderEntry.item.name: "")
            loading: d.urlIsBeingFetched
            onClicked: {
                if(!!d.selectedProviderEntry.item && !!d.selectedTokenEntry.item) {
                    d.fetchProviderUrl(
                                root.buyCryptoInputParamsForm.selectedProviderId,
                                buyCryptoProvidersListPanel.currentTabIndex,
                                root.buyCryptoInputParamsForm.selectedWalletAddress,
                                root.buyCryptoInputParamsForm.selectedNetworkChainId,
                                d.selectedTokenEntry.item.symbol
                                )
                }
            }
            enabled: root.buyCryptoInputParamsForm.filledCorrectly
        }

        readonly property ModelEntry selectedAccountEntry: ModelEntry {
            sourceModel: root.walletAccountsModel
            key: "address"
            value: root.buyCryptoInputParamsForm.selectedWalletAddress
        }

        readonly property ModelEntry selectedTokenEntry: ModelEntry {
            sourceModel: root.plainTokensBySymbolModel
            key: "key"
            value: root.buyCryptoInputParamsForm.selectedTokenKey || Constants.ethToken
        }

        readonly property ModelEntry selectedProviderEntry: ModelEntry {
            id: selectedProviderEntry
            sourceModel: root.buyProvidersModel
            key: "id"
            value: root.buyCryptoInputParamsForm.selectedProviderId
        }

        function fetchProviderUrl(
            providerID,
            isRecurrent,
            accountAddress = "",
            chainID = 0,
            symbol = "") {
            // Identify new search with a different uuid
            d.uuid = Utils.uuid()
            d.urlIsBeingFetched = true
            root.fetchProviderUrl(d.uuid, providerID, isRecurrent,
                                            accountAddress, chainID, symbol)
        }

        // used to filter items based on search string in the token selector

        readonly property var tokenSelectorViewAdaptor: TokenSelectorViewAdaptor {
            assetsModel: root.groupedAccountAssetsModel
            plainTokensBySymbolModel: root.plainTokensBySymbolModel
            flatNetworksModel: root.networksModel
            currentCurrency: root.currentCurrency

            showAllTokens: true
            enabledChainIds: root.buyCryptoInputParamsForm.selectedNetworkChainId !== -1 ? [root.buyCryptoInputParamsForm.selectedNetworkChainId] : []
            accountAddress: root.buyCryptoInputParamsForm.selectedWalletAddress
        }

        readonly property var buyCryptoAdaptor: BuyCryptoModalAdaptor {
            networksModel: root.networksModel
            areTestNetworksEnabled: root.areTestNetworksEnabled
            processedTokenSelectorAssetsModel: d.tokenSelectorViewAdaptor.outputAssetsModel
            selectedProviderSupportedAssetsArray: {
                if (!!d.selectedProviderEntry.item && !!d.selectedProviderEntry.item.supportedAssets)
                    return ModelUtils.modelToFlatArray(d.selectedProviderEntry.item.supportedAssets, "key")
                return null
            }
            selectedChainId: root.buyCryptoInputParamsForm.selectedNetworkChainId
        }
    }

    width: 560
    height: 515
    padding: Theme.xlPadding
    stackTitle: !!root.buyCryptoInputParamsForm.selectedTokenKey ? qsTr("Ways to buy %1 for %2").arg(d.selectedTokenEntry.item.name).arg(!!d.selectedAccountEntry.item ? d.selectedAccountEntry.item.name: ""): qsTr("Ways to buy assets for %1").arg(!!d.selectedAccountEntry.item ? d.selectedAccountEntry.item.name: "")
    rightButtons: [d.buyButton, finishButton]
    finishButton: StatusButton {
        text: qsTr("Done")
        onClicked: root.close()
    }

    onOpened: root.fetchProviders()
    onClosed: {
        // reset the view
        d.uuid = ""
        d.urlIsBeingFetched = false
        root.replaceItem = undefined
        buyCryptoProvidersListPanel.currentTabIndex = 0
        root.buyCryptoInputParamsForm.resetFormData()
    }

    stackItems: [
        BuyCryptoProvidersListPanel {
            id: buyCryptoProvidersListPanel
            providersLoading: root.isBuyProvidersModelLoading
            providersModel: root.buyProvidersModel
            selectedProviderId: root.buyCryptoInputParamsForm.selectedProviderId
            isUrlBeingFetched: d.urlIsBeingFetched
            onProviderSelected: {
                root.buyCryptoInputParamsForm.selectedProviderId = id
                if(!!d.selectedProviderEntry.item) {
                    if(d.selectedProviderEntry.item.urlsNeedParameters) {
                        root.replace(selectParamsPanel)
                    } else {
                        d.fetchProviderUrl(d.selectedProviderEntry.item.id, currentTabIndex)
                    }
                }
            }
        }
    ]

    Component {
        id: selectParamsPanel
        SelectParamsForBuyCryptoPanel {
            objectName: "selectParamsPanel"
            assetsModel: d.buyCryptoAdaptor.filteredAssetsModel
            selectedProvider: d.selectedProviderEntry.item
            selectedTokenKey: root.buyCryptoInputParamsForm.selectedTokenKey
            selectedNetworkChainId: root.buyCryptoInputParamsForm.selectedNetworkChainId
            filteredFlatNetworksModel: d.buyCryptoAdaptor.filteredFlatNetworksModel
            onNetworkSelected: {
                if (root.buyCryptoInputParamsForm.selectedNetworkChainId !== chainId) {
                    root.buyCryptoInputParamsForm.selectedNetworkChainId = chainId
                }
            }
            onTokenSelected: {
                if (root.buyCryptoInputParamsForm.selectedTokenKey !== tokensKey) {
                    root.buyCryptoInputParamsForm.selectedTokenKey = tokensKey
                }
            }
        }
    }
}