/**
 * 生成 UBrowser 代码
 * @param {Object} configs UBrowser 配置对象
 * @param {Array} selectedActions 已选择的操作列表
 * @returns {string} 生成的代码
 */
import { defaultUBrowserConfigs } from "js/composer/ubrowserConfig";

export function generateUBrowserCode(configs, selectedActions) {
  let code = "utools.ubrowser";

  // 基础参数
  // if (configs.useragent.value) {
  //   code += `\n  .useragent('${configs.useragent.value}')`;
  // }

  if (configs.goto.url) {
    let gotoOptionsStr = `\n  .goto(\n`;
    gotoOptionsStr += `${configs.goto.url}`;

    if (configs.goto.headers.Referer || configs.goto.headers.userAgent) {
      gotoOptionsStr += ",\n{";
      if (configs.goto.headers.Referer) {
        gotoOptionsStr += `\nReferer: ${configs.goto.headers.Referer}`;
      }
      if (configs.goto.headers.userAgent) {
        gotoOptionsStr += `${
          configs.goto.headers.Referer ? "," : ""
        }\nuserAgent: ${configs.goto.headers.userAgent}`;
      }
      gotoOptionsStr += "\n}";
    }

    if (configs.goto.timeout !== 60000) {
      gotoOptionsStr += `,\n${configs.goto.timeout}`;
    }

    gotoOptionsStr += "\n)";
    code += gotoOptionsStr;
  }

  // 浏览器操作
  selectedActions.forEach((action) => {
    const config = configs[action.value];
    switch (action.value) {
      case "wait":
        if (config.type === "time" && config.time) {
          code += `\n  .wait(${config.time})`;
        } else if (config.type === "selector" && config.selector) {
          code += `\n  .wait(${config.selector}${
            config.timeout !== 60000 ? `, ${config.timeout}` : ""
          })`;
        } else if (config.type === "function" && config.function) {
          const functionBody = config.function.trim();
          if (config.args?.length) {
            const params = config.args.map((arg) => arg.name).join(", ");
            const functionCode = `(${params}) => {\n ${functionBody} \n}`;
            const args = `, ${config.timeout || 60000}, ${config.args
              .map((arg) => JSON.stringify(arg.value))
              .join(", ")}`;
            code += `\n  .wait(${functionCode}${args})`;
          } else {
            const functionCode = `() => {\n ${functionBody} \n}`;
            code += `\n  .wait(${functionCode}${
              config.timeout !== 60000 ? `, ${config.timeout}` : ""
            })`;
          }
        }
        break;

      case "click":
        if (config.selector) {
          code += `\n  .click(${config.selector})`;
        }
        break;

      case "css":
        if (config.value) {
          code += `\n  .css(${config.value})`;
        }
        break;

      case "press":
        if (config.key) {
          const modifiers = config.modifiers.length
            ? `, ${JSON.stringify(config.modifiers)}`
            : "";
          code += `\n  .press(${config.key}${modifiers})`;
        }
        break;

      case "paste":
        if (config.text) {
          code += `\n  .paste(${config.text})`;
        }
        break;

      case "screenshot":
        if (config.selector) {
          code += `\n  .screenshot(${config.selector}${
            config.savePath ? `, '${config.savePath}'` : ""
          })`;
        } else if (config.rect) {
          code += `\n  .screenshot(${JSON.stringify(config.rect)}${
            config.savePath ? `, ${config.savePath}` : ""
          })`;
        }
        break;

      case "pdf":
        if (config.savePath) {
          code += `\n  .pdf(${config.savePath}${
            config.options ? `, ${JSON.stringify(config.options)}` : ""
          })`;
        }
        break;

      case "device":
        if (config.type === "preset" && config.deviceName) {
          code += `\n  .device(${config.deviceName})`;
        } else if (config.type === "custom") {
          let deviceOptionsStr = `\n  .device(\n{`;
          if (config.size) {
            deviceOptionsStr += `\nsize: ${JSON.stringify(config.size)}`;
          }
          if (config.useragent) {
            deviceOptionsStr += `${config.size ? "," : ""}\nuserAgent: ${
              config.useragent
            }`;
          }
          deviceOptionsStr += "\n}";
          code += deviceOptionsStr + "\n)";
        }
        break;

      case "cookies":
        if (config.name) {
          code += `\n  .cookies(${config.name})`;
        } else {
          code += `\n  .cookies()`;
        }
        break;

      case "setCookies":
        if (config.items?.length) {
          let cookiesStr = `\n  .setCookies([\n`;
          config.items.forEach((item, index) => {
            cookiesStr += "    {";
            if (item.name) cookiesStr += `\n      name: ${item.name}`;
            if (item.value)
              cookiesStr += `${item.name ? "," : ""}\n      value: ${
                item.value
              }}`;
            if (index < config.items.length - 1) cookiesStr += ",";
            cookiesStr += "\n";
          });
          cookiesStr += "  ])";
          code += cookiesStr;
        }
        break;

      case "removeCookies":
        if (config.name) {
          code += `\n  .removeCookies(${config.name})`;
        }
        break;

      case "clearCookies":
        code += `\n  .clearCookies(${config.url || ""})`;
        break;

      case "evaluate":
        if (config.function) {
          const functionBody = config.function.trim();
          if (config.args?.length) {
            const params = config.args.map((arg) => arg.name).join(", ");
            const functionCode = `(${params}) => {\n ${functionBody} \n}`;
            const args = `, ${config.args
              .map((arg) => JSON.stringify(arg.value))
              .join(", ")}`;
            code += `\n  .evaluate(${functionCode}${args})`;
          } else {
            const functionCode = `() => {\n ${functionBody} \n}`;
            code += `\n  .evaluate(${functionCode})`;
          }
        }
        break;

      case "when":
        if (config.condition) {
          code += `\n  .when(${config.condition})`;
        }
        break;

      case "mousedown":
      case "mouseup":
        if (config.selector) {
          code += `\n  .${action.value}(${config.selector})`;
        }
        break;

      case "file":
        if (config.selector && config.files?.length) {
          let filesStr = `\n  .file(${config.selector}, [\n`;
          config.files.forEach((file, index) => {
            filesStr += `    ${file}`;
            if (index < config.files.length - 1) filesStr += ",\n";
          });
          filesStr += "\n  ])";
          code += filesStr;
        }
        break;

      case "value":
        if (config.selector) {
          code += `\n  .value(${config.selector}, ${config.value})`;
        }
        break;

      case "check":
        if (config.selector) {
          code += `\n  .check(${config.selector}${
            config.checked !== undefined ? `, ${config.checked}` : ""
          })`;
        }
        break;

      case "focus":
        if (config.selector) {
          code += `\n  .focus(${config.selector})`;
        }
        break;

      case "scroll":
        if (config.type === "element" && config.selector) {
          code += `\n  .scroll(${config.selector})`;
        } else if (config.type === "position") {
          if (config.x !== undefined && config.y !== undefined) {
            code += `\n  .scroll(${config.x}, ${config.y})`;
          } else if (config.y !== undefined) {
            code += `\n  .scroll(${config.y})`;
          }
        }
        break;

      case "download":
        if (config.url) {
          code += `\n  .download(${config.url}${
            config.savePath ? `, ${config.savePath}` : ""
          })`;
        }
        break;

      case "hide":
      case "show":
        code += `\n  .${action.value}()`;
        break;

      case "devTools":
        if (config.mode) {
          code += `\n  .devTools(${config.mode})`;
        } else {
          code += `\n  .devTools()`;
        }
        break;
    }
  });

  // 运行参数
  const runOptions = {};
  Object.entries(configs.run).forEach(([key, value]) => {
    if (
      value !== undefined &&
      value !== null &&
      value !== defaultUBrowserConfigs.run[key]
    ) {
      runOptions[key] = value;
    }
  });

  code += `\n  .run(${
    Object.keys(runOptions).length
      ? `\n${JSON.stringify(runOptions, null, 2).replace(/\n/g, "\n    ")}`
      : ""
  })`;

  return code;
}