import { app } from "../../scripts/app.js";
import { api } from "../../scripts/api.js";
import "./ace/ace.js";
import {
  createWindowModal,
  makeElement,
  findWidget,
  THEMES_MODAL_WINDOW,
  comfyuiDesktopConfirm,
  comfyuiDesktopPrompt,
} from "./ace/utils.js";

ace.config.set("basePath", new URL("./ace/", import.meta.url).toString());

// Constants
const MAX_CHAR_VARNAME = 50;
const LIST_THEMES = ["monokai"];
const varTypes = [
  "int",
  "boolean",
  "string",
  "float",
  "json",
  "list",
  "dict",
];
const typeMap = {
  int: 'int',
  boolean: 'bool',
  string: 'str',
  float: 'float',
  json: 'json',
  list: 'list',
  dict: 'dict',
}
const DEFAULT_TEMPLATES = {
  py: `import re, json, os, traceback
from time import strftime
def runCode():
    nowDataTime = strftime("%Y-%m-%d %H:%M:%S")
    return f"Hello ComfyUI with us today {nowDataTime}!"
r0 = runCode()

`,
};

function getPostition(node, ctx, w_width, y, n_height) {
  const margin = 5;

  const rect = ctx.canvas.getBoundingClientRect();
  const transform = new DOMMatrix()
    .scaleSelf(rect.width / ctx.canvas.width, rect.height / ctx.canvas.height)
    .multiplySelf(ctx.getTransform())
    .translateSelf(margin, margin + y);
  const scale = new DOMMatrix().scaleSelf(transform.a, transform.d);

  return {
    transformOrigin: "0 0",
    transform: scale,
    left: `${transform.a + transform.e + rect.left}px`,
    top: `${transform.d + transform.f + rect.top}px`,
    maxWidth: `${w_width - margin * 2}px`,
    maxHeight: `${n_height - margin * 2 - y - 15}px`,
    width: `${w_width - margin * 2}px`,
    height: "90%",
    position: "absolute",
    scrollbarColor: "var(--descrip-text) var(--bg-color)",
    scrollbarWidth: "thin",
    zIndex: app.graph._nodes.indexOf(node),
  };
}

// Create editor code
function codeEditor(node, inputName, inputData) {
  const widget = {
    type: "pycode",
    name: inputName,
    options: { hideOnZoom: true },
    value:
      inputData[1]?.default ||
      `def my(a, b=1):
  return a * b<br>
    
r0 = str(my(23, 9))`,
    draw(ctx, node, widget_width, y, widget_height) {
      const hidden =
        node.flags?.collapsed ||
        (!!widget.options.hideOnZoom && app.canvas.ds.scale < 0.5) ||
        widget.type === "converted-widget" ||
        widget.type === "hidden";

      widget.codeElement.hidden = hidden;

      if (hidden) {
        widget.options.onHide?.(widget);
        return;
      }

      Object.assign(
        this.codeElement.style,
        getPostition(node, ctx, widget_width, y, node.size[1])
      );
    },
    computeSize(...args) {
      return [500, 250];
    },
  };

  widget.codeElement = makeElement("pre", {
    innerHTML: widget.value,
  });

  widget.editor = ace.edit(widget.codeElement);
  widget.editor.setTheme("ace/theme/monokai");
  widget.editor.session.setMode("ace/mode/python");
  widget.editor.setOptions({
    enableBasicAutocompletion: true,
    fontFamily: "monospace",
  });
  widget.codeElement.hidden = true;

  document.body.appendChild(widget.codeElement);

  const collapse = node.collapse;
  node.collapse = function () {
    collapse.apply(this, arguments);
    if (this.flags?.collapsed) {
      widget.codeElement.hidden = true;
    } else {
      if (this.flags?.collapsed === false) {
        widget.codeElement.hidden = false;
      }
    }
  };

  return widget;
}

// Save data to workflow forced!
function saveValue() {
  app?.extensionManager?.workflow?.activeWorkflow?.changeTracker?.checkState();
}

// Register extensions
app.registerExtension({
  name: "KYNode.KY_Eval_Python",
  getCustomWidgets(app) {
    return {
      PYCODE: (node, inputName, inputData, app) => {
        const widget = codeEditor(node, inputName, inputData);

        widget.editor.getSession().on("change", function (e) {
          widget.value = widget.editor.getValue();
          saveValue();
        });

        const varTypeList = node.addWidget(
          "combo",
          "select_type",
          "string",
          (v) => {
            // widget.editor.setTheme(`ace/theme/${varTypeList.value}`);
          },
          {
            values: varTypes,
            serialize: false,
          }
        );

        // 6. 使用 addDOMWidget 将容器添加到节点上
        //    - 第一个参数是 widget 的名称，在节点内部需要是唯一的。
        //    - 第二个参数是 widget 的类型，对于自定义 DOM 元素，通常是 "div"。
        //    - 第三个参数是您创建的 DOM 元素。
        //    - 第四个参数是一个选项对象，可以用来配置 widget。
        // node.addDOMWidget("rowOfButtons", "div", container, {
        // });
        node.addWidget(
          "button",
          "Add Input variable",
          "add_input_variable",
          async () => {
            // Input name variable and check
            let nameInput = node?.inputs?.length
              ? `p${node.inputs.length - 1}`
              : "p0";

            const currentWidth = node.size[0];
            let tp = varTypeList.value
            nameInput = nameInput + '_' + typeMap[tp]
            node.addInput(nameInput, "*");
            node.setSize([currentWidth, node.size[1]]);
            let cv = widget.editor.getValue();
            if(tp == 'json') {
              cv = cv + '\n' + nameInput + ' = json.loads('+ nameInput + ')'
            } else if(tp == 'list') {
              cv = cv + '\n' + nameInput + ' = []'
            } else if(tp == 'dict') {
              cv = cv + '\n' + nameInput + ' = {}'
            } else {
              cv = cv + '\n' + nameInput + ' = ' + typeMap[tp] + '('+ nameInput + ')'
            }
            widget.editor.setValue(cv)
            saveValue();
          }
        );

        node.addWidget(
          "button",
          "Add Output variable",
          "add_output_variable",
          async () => {
            const currentWidth = node.size[0];
            // Output name variable
            let nameOutput = node?.outputs?.length
              ? `r${node.outputs.length}`
              : "r0";
            let tp = varTypeList.value
            nameOutput = nameOutput + '_' + typeMap[tp]
            node.addOutput(nameOutput, tp);
            node.setSize([currentWidth, node.size[1]]);
            let cv = widget.editor.getValue();
            if(tp == 'json') {
              cv = cv + '\n' + nameOutput + ' = json.dumps('+ nameOutput + ')'
            } else if(tp == 'list') {
              cv = cv + '\n' + nameOutput + ' = []'
            } else if(tp == 'dict') {
              cv = cv + '\n' + nameOutput + ' = {}'
            } else {
              cv = cv + '\n' + nameOutput + ' = ' + typeMap[tp] + '('+ nameOutput + ')'
            }
            widget.editor.setValue(cv)
            saveValue();
          }
        );

        node.onRemoved = function () {
          for (const w of node?.widgets) {
            if (w?.codeElement) w.codeElement.remove();
          }
        };

        node.addCustomWidget(widget);

        return widget;
      },
    };
  },

  async beforeRegisterNodeDef(nodeType, nodeData, app) {
    // --- IDENode
    if (nodeData.name === "KY_Eval_Python") {
      // Node Created
      const onNodeCreated = nodeType.prototype.onNodeCreated;
      nodeType.prototype.onNodeCreated = async function () {
        const ret = onNodeCreated
          ? onNodeCreated.apply(this, arguments)
          : undefined;

        const node_title = await this.getTitle();
        const nodeName = `${nodeData.name}_${this.id}`;

        console.log(`Create ${nodeData.name}: ${nodeName}`);
        this.name = nodeName;

        // Create default inputs, when first create node
        if (this?.inputs?.length<2) {
          ["p0_str"].forEach((inputName) => {
            const currentWidth = this.size[0];
            this.addInput(inputName, "*");
            this.setSize([currentWidth, this.size[1]]);
          });
        }

        const widgetEditor = findWidget(this, "pycode", "type");

        this.setSize([530, this.size[1]]);

        return ret;
      };

      const onDrawForeground = nodeType.prototype.onDrawForeground;
      nodeType.prototype.onDrawForeground = function (ctx) {
        const r = onDrawForeground?.apply?.(this, arguments);

        // if (this.flags?.collapsed) return r;

        if (this?.outputs?.length) {
          for (let o = 0; o < this.outputs.length; o++) {
            const { name, type } = this.outputs[o];
            const colorType = LGraphCanvas.link_type_colors[type.toUpperCase()];
            const nameSize = ctx.measureText(name);
            const typeSize = ctx.measureText(
              `[${type === "*" ? "any" : type.toLowerCase()}]`
            );

            ctx.fillStyle = colorType === "" ? "#AAA" : colorType;
            ctx.font = "12px Arial, sans-serif";
            ctx.textAlign = "right";
            ctx.fillText(
              `[${type === "*" ? "any" : type.toLowerCase()}]`,
              this.size[0] - nameSize.width - typeSize.width,
              o * 20 + 19
            );
          }
        }

        if (this?.inputs?.length) {
          const not_showing = ["select_type", "pycode"];
          for (let i = 1; i < this.inputs.length; i++) {
            const { name, type } = this.inputs[i];
            if (not_showing.includes(name)) continue;
            const colorType = LGraphCanvas.link_type_colors[type.toUpperCase()];
            const nameSize = ctx.measureText(name);

            ctx.fillStyle = !colorType || colorType === "" ? "#AAA" : colorType;
            ctx.font = "12px Arial, sans-serif";
            ctx.textAlign = "left";
            ctx.fillText(
              `[${type === "*" ? "any" : type.toLowerCase()}]`,
              nameSize.width + 25,
              i * 20
            );
          }
        }
        return r;
      };

      // Node Configure
      const onConfigure = nodeType.prototype.onConfigure;
      nodeType.prototype.onConfigure = function (node) {
        onConfigure?.apply(this, arguments);
        if (node?.widgets_values?.length) {
          const widget_code_id = findWidget(
            this,
            "pycode",
            "type",
            "findIndex"
          );
          const widget_theme_id = findWidget(
            this,
            "varTypeList",
            "name",
            "findIndex"
          );
          const widget_language_id = findWidget(
            this,
            "language",
            "name",
            "findIndex"
          );

          const editor = this.widgets[widget_code_id]?.editor;

          if (editor) {
            // editor.setTheme(
            //   `ace/theme/${this.widgets_values[widget_theme_id]}`
            // );
            // editor.session.setMode(
            //   `ace/mode/${this.widgets_values[widget_language_id]}`
            // );
            editor.setValue(this.widgets_values[widget_code_id]);
            editor.clearSelection();
          }
        }
      };

      // ExtraMenuOptions
      const getExtraMenuOptions = nodeType.prototype.getExtraMenuOptions;
      nodeType.prototype.getExtraMenuOptions = function (_, options) {
        getExtraMenuOptions?.apply(this, arguments);

        const past_index = options.length - 1;
        const past = options[past_index];

        if (!!past) {
          // Inputs remove
          for (const input_idx in this.inputs) {
            const input = this.inputs[input_idx];

            if (["language", "select_type"].includes(input.name)) continue;

            options.splice(past_index + 1, 0, {
              content: `Remove Input ${input.name}`,
              callback: (e) => {
                const currentWidth = this.size[0];
                if (input.link) {
                  app.graph.removeLink(input.link);
                }
                this.removeInput(input_idx);
                this.setSize([80, this.size[1]]);
                saveValue();
              },
            });
          }

          // Output remove
          for (const output_idx in this.outputs) {
            const output = this.outputs[output_idx];

            if (output.name === "r0") continue;

            options.splice(past_index + 1, 0, {
              content: `Remove Output ${output.name}`,
              callback: (e) => {
                const currentWidth = this.size[0];
                if (output.link) {
                  app.graph.removeLink(output.link);
                }
                this.removeOutput(output_idx);
                this.setSize([currentWidth, this.size[1]]);
                saveValue();
              },
            });
          }
        }
      };
      // end - ExtraMenuOptions
    }
  },
});