/*
 * Copyright (C) 2016  Morgan McMillian <gilag@monkeystew.com>
 * 
 * This file is apart of the Goober application, a client for pnut.io
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import bb.cascades 1.4
import com.monkeystew.pnut 1.0
import com.monkeystew.qtimer 1.0

NavigationPane {
    id: nav
    
    property string stream_type
    property string endpoint
    property int unread: -1
    property bool refreshpull: false

    Page {
        Container {
            ListView {
                id: streamView
                dataModel: ArrayDataModel {
                    id: postModel
                }
                leadingVisual: RefreshItem {
                    onRefresh: {
                        refreshpull = true
                        pnut.getStream(endpoint, Pnut.STREAM_NEWER);
                    }
                }
                listItemComponents: [
                    ListItemComponent {
                        id: root
                        PostItem {}
                    }
                ]
                onTriggered: {
                    var page = threadPage.createObject();
                    pnut.threadReceived.connect(page.loadThread);
                    pnut.getThread(postModel.data(indexPath).thread_id);
                    nav.push(page);
                }
                function viewProfile(userobj) {
                    console.log("narf: " + JSON.stringify(userobj))
                    var page = profilePage.createObject();
                    page.user = userobj
                    page.follow.connect(pnut.followUser)
                    page.unfollow.connect(pnut.unfollowUser)
                    page.block.connect(pnut.blockUser)
                    page.unblock.connect(pnut.unblockUser)
                    page.mute.connect(pnut.muteUser)
                    page.unmute.connect(pnut.unmuteUser)
                    nav.push(page);
                }
                function sendReply(text, pid) {
                    pnut.sendReply(text, pid);
                }
                function  getUserName() {
                    return _app.setting("username");
                }
                function addBookmark(pid) {
                    pnut.setBookmark(pid);
                }
                function delBookmark(pid) {
                    pnut.deleteBookmark(pid);
                }
                function repost(pid) {
                    pnut.repost(pid);
                }
                function delRepost(pid) {
                    pnut.deleteRepost(pid);
                }
                attachedObjects: [
                    ListScrollStateHandler {
                        onAtEndChanged: {
                            if (atEnd) {
                                console.log("I'm at the end!!!")
                                pnut.getStream(endpoint, Pnut.STREAM_OLDER);
                            }
                        }
                        onAtBeginningChanged: {
                            if (atBeginning) {
                                console.log("I'm at the top!!!")
                                unread = 0
                                nav.parent.unreadContentCount = unread
                            }
                        }
                    }
                ]
            }
        }
        actions: [
            ActionItem {
                title: qsTr("New Post")
                ActionBar.placement: ActionBarPlacement.Signature
                onTriggered: {
                    newPostSheet.open();
                    newPostSheet.input.requestFocus();
                }
                imageSource: "asset:///icons/ic_compose.png"
                shortcuts: [
                    SystemShortcut {
                        type: SystemShortcuts.CreateNew
                    }
                ]
            },
            ActionItem {
                title: qsTr("To Top")
                ActionBar.placement: ActionBarPlacement.InOverflow
                onTriggered: {
                    //refreshpull = true
                    //pnut.getStream(endpoint, Pnut.STREAM_NEWER);
                    streamView.scrollToPosition(ScrollPosition.Beginning, ScrollAnimation.None);
                }
                imageSource: "asset:///icons/ic_to_top.png"
                shortcuts: [
                    SystemShortcut {
                        type: SystemShortcuts.JumpToTop
                    }
                ]
            },
            ActionItem {
                title: qsTr("Reload")
                ActionBar.placement: ActionBarPlacement.InOverflow
                onTriggered: {
                    postModel.clear()
                    pnut.beforeId = 0
                    pnut.sinceId = 0
                    pnut.getStream(endpoint, Pnut.STREAM_OLDER);
                }
                imageSource: "asset:///icons/ic_reload.png"
            },
            ActionItem {
                title: qsTr("To Bottom")
                ActionBar.placement: ActionBarPlacement.InOverflow
                onTriggered: {
                    streamView.scrollToPosition(ScrollPosition.End, ScrollAnimation.None);
                    //pnut.getStream(endpoint, Pnut.STREAM_OLDER);
                }
                imageSource: "asset:///icons/ic_to_bottom.png"
                shortcuts: [
                    SystemShortcut {
                        type: SystemShortcuts.JumpToBottom
                    }
                ]
            }
        ]
        actionBarAutoHideBehavior: ActionBarAutoHideBehavior.HideOnScroll
        actionBarVisibility: ChromeVisibility.Overlay
    }
    attachedObjects: [
        ComponentDefinition {
            id: threadPage
            source: "ThreadPage.qml"
        },
        ComponentDefinition {
            id: profilePage
            source: "ProfilePage.qml"
        },
        NewPostSheet {
            id: newPostSheet
            onSendPost: {
                console.log("send: " + text);
                pnut.sendPost(text);
            }
        },
        LoginSheet {
            id: loginSheet
            onLogin: {
                pnut.authorize();
            }
        },
        QTimer {
            id: timer
            interval: 30000
            onTimeout: {
                pnut.getStream(endpoint, Pnut.STREAM_NEWER);
            }
        },
        Pnut {
            id: pnut
            
            onStreamReceived: {
                //nav.parent.unreadContentCount = stream.length
                switch (rtype) {
                    case Pnut.STREAM_OLDER:
                        //streamView.scrollToPosition(ScrollPosition.End, ScrollAnimation.None);
                        postModel.append(stream);
                        break;
                    case Pnut.STREAM_NEWER:
                        postModel.insert(0, stream);
                        if (stream.length > 0) {
                            update_app_cover(stream.length)
                        }
                        if (refreshpull) {
                            refreshpull = false
                            streamView.scrollToPosition(ScrollPosition.Beginning, ScrollAnimation.None);
                        }
                        break;
                }
                pnut.beforeId = postModel.value(postModel.size() - 1).id;
                pnut.sinceId = postModel.value(0).id;
            }

            onAuthorizationRequired: {
                loginSheet.open();
                timer.stop();
            }

            onAuthorizationReceived: {
                loginSheet.close();
                pnut.getStream(endpoint, Pnut.STREAM_OLDER);
                timer.start();
            }
            
            onFollowSuccess: update_user_page(user)
            
            onUnfollowSuccess: update_user_page(user)
            
            onBlockSuccess: update_user_page(user)
            
            onUnblockSuccess: update_user_page(user)
            
            onMuteSuccess: update_user_page(user)
            
            onUnmuteSuccess: update_user_page(user)
            
            function update_user_page(user) {
                nav.top.user = user
                postModel.clear()
                pnut.beforeId = 0
                pnut.sinceId = 0
                pnut.getStream(endpoint, Pnut.STREAM_OLDER)
            }
            
            function update_app_cover(count) {
                if (count > 0 && unread >=0) {
                    unread += count
                } else {
                    unread = 0
                }
                nav.parent.unreadContentCount = unread
            }
        }
    ]
    onPopTransitionEnded: {
        page.destroy();
    }
    onCreationCompleted: {
        switch (stream_type) {
            case "Home":
                endpoint = "/posts/streams/unified";
                break;
            case "Global":
            default:
                endpoint = "/posts/streams/global"
                break;
        }
        if (_app.setting("access_token") && _app.setting("access_token").length > 0) {
            pnut.getUserInfo();
            pnut.getStream(endpoint, Pnut.STREAM_OLDER);
            timer.start();
        } else {
            loginSheet.open();
            timer.stop();
        }
    }
    function logout() {
        pnut.logout();
    }
}