import { app } from "../../../scripts/app.js";
import { ComfyWidgets } from '../../../scripts/widgets.js';
//based on diffus3's SetGet: https://github.com/diffus3/ComfyUI-extensions

// Nodes that allow you to tunnel connections for cleaner graphs
function setColorAndBgColor(type) {
    const colorMap = {
        "MODEL": LGraphCanvas.node_colors.blue,
        "LATENT": LGraphCanvas.node_colors.purple,
        "VAE": LGraphCanvas.node_colors.red,
        "CONDITIONING": LGraphCanvas.node_colors.brown,
        "IMAGE": LGraphCanvas.node_colors.pale_blue,
        "CLIP": LGraphCanvas.node_colors.yellow,
        "FLOAT": LGraphCanvas.node_colors.green,
		"MASK": LGraphCanvas.node_colors.cyan,
		"INT": { color: "#1b4669", bgcolor: "#29699c"},

    };

    const colors = colorMap[type];
    if (colors) {
        this.color = colors.color;
        this.bgcolor = colors.bgcolor;
    } else {
        // Handle the default case if needed
    }
}
let isAlertShown = false;

function showAlertWithThrottle(message, delay) {
    if (!isAlertShown) {
        isAlertShown = true;
        alert(message);
        setTimeout(() => isAlertShown = false, delay);
    }
}
app.registerExtension({
	name: "SetNode",
	registerCustomNodes() {
		class SetNode {
			defaultVisibility = true;
			serialize_widgets = true;
			constructor() {
				if (!this.properties) {
					this.properties = {
						"previousName": ""
					};
				}
				this.properties.showOutputText = SetNode.defaultVisibility;

				const node = this;

				this.addWidget(
					"text", 
					"Constant", 
					'', 
					(s, t, u, v, x) => {
						node.validateName(node.graph);
						if(this.widgets[0].value !== ''){
							this.title = "Set_" + this.widgets[0].value;
						}
						this.update();
						this.properties.previousName = this.widgets[0].value;
					}, 
					{}
				)
				
				this.addInput("*", "*");
				this.addOutput("*", '*');

				this.onConnectionsChange = function(
					slotType,	//1 = input, 2 = output
					slot,
					isChangeConnect,
                    link_info,
                    output
				) {
					//On Disconnect
					if (slotType == 1 && !isChangeConnect) {
						if(this.inputs[slot].name === ''){
							this.inputs[slot].type = '*';
							this.inputs[slot].name = '*';
							this.title = "Set"
						}
					}
					if (slotType == 2 && !isChangeConnect) {
						this.outputs[slot].type = '*';
						this.outputs[slot].name = '*';
						
					}	
					//On Connect
					if (link_info && node.graph && slotType == 1 && isChangeConnect) {
						const fromNode = node.graph._nodes.find((otherNode) => otherNode.id == link_info.origin_id);
						
						if (fromNode && fromNode.outputs && fromNode.outputs[link_info.origin_slot]) {
							const type = fromNode.outputs[link_info.origin_slot].type;
						
							if (this.title === "Set"){
								this.title = "Set_" + type;	
							}
							if (this.widgets[0].value === '*'){
								this.widgets[0].value = type	
							}
							
							this.validateName(node.graph);
							this.inputs[0].type = type;
							this.inputs[0].name = type;
							
							if (app.ui.settings.getSettingValue("KJNodes.nodeAutoColor")){
								setColorAndBgColor.call(this, type);	
							}
						} else {
							alert("Error: Set node input undefined. Most likely you're missing custom nodes");
						}
					}
					if (link_info && node.graph && slotType == 2 && isChangeConnect) {
						const fromNode = node.graph._nodes.find((otherNode) => otherNode.id == link_info.origin_id);
						
						if (fromNode && fromNode.inputs && fromNode.inputs[link_info.origin_slot]) {
							const type = fromNode.inputs[link_info.origin_slot].type;
							
							this.outputs[0].type = type;
							this.outputs[0].name = type;
						} else {
							alert("Error: Get Set node output undefined. Most likely you're missing custom nodes");
						}
					}
					

					//Update either way
					this.update();
				}

				this.validateName = function(graph) {
					let widgetValue = node.widgets[0].value;
				
					if (widgetValue !== '') {
						let tries = 0;
						const existingValues = new Set();
				
						graph._nodes.forEach(otherNode => {
							if (otherNode !== this && otherNode.type === 'SetNode') {
								existingValues.add(otherNode.widgets[0].value);
							}
						});
				
						while (existingValues.has(widgetValue)) {
							widgetValue = node.widgets[0].value + "_" + tries;
							tries++;
						}
				
						node.widgets[0].value = widgetValue;
						this.update();
					}
				}

				this.clone = function () {
					const cloned = SetNode.prototype.clone.apply(this);
					cloned.inputs[0].name = '*';
					cloned.inputs[0].type = '*';
					cloned.value = '';
					cloned.properties.previousName = '';
					cloned.size = cloned.computeSize();
					return cloned;
				};

				this.onAdded = function(graph) {
					this.validateName(graph);
				}


				this.update = function() {
					if (!node.graph) {
						return;
					}
				
					const getters = this.findGetters(node.graph);
					getters.forEach(getter => {
						getter.setType(this.inputs[0].type);
					});
				
					if (this.widgets[0].value) {
						const gettersWithPreviousName = this.findGetters(node.graph, true);
						gettersWithPreviousName.forEach(getter => {
							getter.setName(this.widgets[0].value);
						});
					}
				
					const allGetters = node.graph._nodes.filter(otherNode => otherNode.type === "GetNode");
					allGetters.forEach(otherNode => {
						if (otherNode.setComboValues) {
							otherNode.setComboValues();
						}
					});
				}


				this.findGetters = function(graph, checkForPreviousName) {
					const name = checkForPreviousName ? this.properties.previousName : this.widgets[0].value;
					return graph._nodes.filter(otherNode => otherNode.type === 'GetNode' && otherNode.widgets[0].value === name && name !== '');
				}

				// This node is purely frontend and does not impact the resulting prompt so should not be serialized
				this.isVirtualNode = true;
			}

			onRemoved() {
				const allGetters = this.graph._nodes.filter((otherNode) => otherNode.type == "GetNode");
				allGetters.forEach((otherNode) => {
					if (otherNode.setComboValues) {
						otherNode.setComboValues([this]);
					}
				})
			}
		}

		LiteGraph.registerNodeType(
			"SetNode",
			Object.assign(SetNode, {
				title: "Set",
			})
		);

		SetNode.category = "KJNodes";
	},
});

app.registerExtension({
	name: "GetNode",
	registerCustomNodes() {
		class GetNode {

			defaultVisibility = true;
			serialize_widgets = true;

			constructor() {
				if (!this.properties) {
					this.properties = {};
				}
				this.properties.showOutputText = GetNode.defaultVisibility;
				
				const node = this;
				this.addWidget(
					"combo",
					"Constant",
					"",
					(e) => {
						this.onRename();
					},
					{
						values: () => {
                            const setterNodes = graph._nodes.filter((otherNode) => otherNode.type == 'SetNode');
                            return setterNodes.map((otherNode) => otherNode.widgets[0].value).sort();
                        }
					}
				)

				this.addOutput("*", '*');			
				this.onConnectionsChange = function(
					slotType,	//0 = output, 1 = input
					slot,	//self-explanatory
					isChangeConnect,
                    link_info,
                    output
				) {
					this.validateLinks();	
				}
			
				this.setName = function(name) {
					node.widgets[0].value = name;
					node.onRename();
					node.serialize();
				}
				
				this.onRename = function() {
					const setter = this.findSetter(node.graph);
					if (setter) {
						let linkType = (setter.inputs[0].type);
						
						this.setType(linkType);
						this.title = "Get_" + setter.widgets[0].value;
						
						if (app.ui.settings.getSettingValue("KJNodes.nodeAutoColor")){
							setColorAndBgColor.call(this, linkType);	
						}

					} else {
						this.setType('*');
					}
				}

				this.clone = function () {
					const cloned = GetNode.prototype.clone.apply(this);
					cloned.size = cloned.computeSize();
					return cloned;
				};

				this.validateLinks = function() {
					if (this.outputs[0].type !== '*' && this.outputs[0].links) {
						this.outputs[0].links.filter(linkId => {
							const link = node.graph.links[linkId];
							return link && (link.type !== this.outputs[0].type && link.type !== '*');
						}).forEach(linkId => {
							node.graph.removeLink(linkId);
						});
					}
				};

				this.setType = function(type) {
					this.outputs[0].name = type;
					this.outputs[0].type = type;
					this.validateLinks();
				}

				this.findSetter = function(graph) {
					const name = this.widgets[0].value;
					return graph._nodes.find(otherNode => otherNode.type === 'SetNode' && otherNode.widgets[0].value === name && name !== '');
				};

				// This node is purely frontend and does not impact the resulting prompt so should not be serialized
				this.isVirtualNode = true;
			}

			getInputLink(slot) {
				const setter = this.findSetter(this.graph);
			
				if (setter) {
					const slotInfo = setter.inputs[slot];
					const link = this.graph.links[slotInfo.link];
					return link;
				} else {
					const errorMessage = "No SetNode found for " + this.widgets[0].value + "(" + this.type + ")";
					showAlertWithThrottle(errorMessage, 5000);
					throw new Error(errorMessage);
				}
			}
			onAdded(graph) {
			}
		}

		LiteGraph.registerNodeType(
			"GetNode",
			Object.assign(GetNode, {
				title: "Get",
			})
		);

		GetNode.category = "KJNodes";
	},
});