/**
 * Created by vian on 2017/4/12.
 */
var dbController = {
    insert: function(controller){
        if(controller.tree.items.length === 0){
            billsAjax.createBills(billsLibId, 1, -1 , -1);
            controller.insert();
        }
        else {
            var node = controller.tree.selected;
            if(node){
                var updateId = node.getID(), createpid = node.getParentID(), createnid = node.getNextSiblingID();
                controller.insert();
                billsAjax.createBills(billsLibId, node.getNextSiblingID(), createpid, createnid);
                billsAjax.updatePNId(billsLibId, updateId, -1, node.getNextSiblingID());
            }
            else {
                var updateNode = controller.tree.roots[controller.tree.roots.length - 1];
                var updateId = updateNode.getID();
                controller.insert();
                billsAjax.createBills(billsLibId, updateNode.getNextSiblingID(), -1, -1);
                billsAjax.updatePNId(billsLibId, updateId, -1, updateNode.getNextSiblingID());
            }
        }
    },

    delete: function(controller){
        var node = controller.tree.selected;
        var deleteIds = [];
        var getDeleteIds = function(node){
            if(node){
                deleteIds.push(node.getID());
                if(node.children.length > 0){
                    for(var i=0; i<node.children.length; i++){
                        getDeleteIds(node.children[i]);
                    }
                }
            }
        };
        getDeleteIds(node);
        billsAjax.deleteBills(billsLibId, deleteIds);
        if(node.preSibling){
            billsAjax.updatePNId(billsLibId, node.preSibling.getID(), null, node.getNextSiblingID());
        }
        controller.delete();
    },

    upLevel: function(controller){
        var node = controller.tree.selected;
        if(node){
            if(node.parent){
                //node
                billsAjax.updatePNId(billsLibId, node.getID(), node.parent.getParentID(), node.parent.getNextSiblingID());
                //parent
                billsAjax.updatePNId(billsLibId, node.getParentID(), null, node.getID());
                if(node.nextSibling){
                    //node.nextSibling
                    billsAjax.updatePNId(billsLibId, node.getNextSiblingID(), node.getID(), null);
                }
                if(node.preSibling){
                    billsAjax.updatePNId(billsLibId, node.preSibling.getID(), null, -1);
                }
            }
            controller.upLevel();
        }

    },

    downLevel: function(controller){
        var node = controller.tree.selected;
        if(node){
            if(node.preSibling){
                billsAjax.updatePNId(billsLibId, node.preSibling.getID(), null, node.getNextSiblingID());
                billsAjax.updatePNId(billsLibId, node.getID(), node.preSibling.getID(), -1);
                if(node.preSibling.children.length > 0){
                    billsAjax.updatePNId(billsLibId, node.preSibling.children[node.preSibling.children.length -1].getID(), null, node.getID());
                }
                controller.downLevel();
            }
        }
    },

    upMove: function(controller){
        var node = controller.tree.selected;
        if(node){
            if(node.preSibling){
                billsAjax.updatePNId(billsLibId, node.preSibling.getID(), null, node.getNextSiblingID());
                billsAjax.updatePNId(billsLibId, node.getID(), null, node.preSibling.getID());
                if(node.preSibling.preSibling){
                    billsAjax.updatePNId(billsLibId, node.preSibling.preSibling.getID(), null, node.getID());
                }
                controller.upMove();
            }
        }
    },

    downMove: function(controller){
        var node = controller.tree.selected;
        if(node){
            if(node.nextSibling){
                billsAjax.updatePNId(billsLibId, node.getNextSiblingID(), null, node.getID());
                billsAjax.updatePNId(billsLibId, node.getID(), null, node.nextSibling.getNextSiblingID());
                if(node.preSibling){
                    billsAjax.updatePNId(billsLibId, node.preSibling.getID(), null, node.getNextSiblingID());
                }
                controller.downMove();
            }
        }
    },

    editData: function(controller){
        controller.sheet.bind(GC.Spread.Sheets.Events.EditEnded, function(sender, args){
            var node = controller.tree.selected, updateId, field;
            if(node){
                updateId = node.getID();
                billsLibSetting.cols.forEach(function(col, idx){
                    if(args.col === idx){
                        field = col.data.field;
                        node.data[field] = args.editingText;
                    }
                });
                billsAjax.updateBills(billsLibId, updateId, field, args.editingText);
            }
            else {
                args.sheet.getCell(args.row, args.col, GC.Spread.Sheets.SheetArea.viewport).value('');
            }
        });
    }

}