import type { CallTemplateFunctionArgs, Context, PluginDefinition } from "@yaakapp/api";

export const plugin: PluginDefinition = {
  templateFunctions: [
    {
      name: "base64.encode",
      description: "Encode a value to base64",
      args: [
        {
          label: "Encoding",
          type: "select",
          name: "encoding",
          defaultValue: "base64",
          options: [
            {
              label: "Base64",
              value: "base64",
            },
            {
              label: "Base64 URL-safe",
              value: "base64url",
            },
          ],
        },
        { label: "Plain Text", type: "text", name: "value", multiLine: true },
      ],
      async onRender(_ctx: Context, args: CallTemplateFunctionArgs): Promise<string | null> {
        return Buffer.from(String(args.values.value ?? "")).toString(
          args.values.encoding === "base64url" ? "base64url" : "base64",
        );
      },
    },
    {
      name: "base64.decode",
      description: "Decode a value from base64",
      args: [{ label: "Encoded Value", type: "text", name: "value", multiLine: true }],
      async onRender(_ctx: Context, args: CallTemplateFunctionArgs): Promise<string | null> {
        return Buffer.from(String(args.values.value ?? ""), "base64").toString("utf-8");
      },
    },
    {
      name: "url.encode",
      description: "Encode a value for use in a URL (percent-encoding)",
      args: [{ label: "Plain Text", type: "text", name: "value", multiLine: true }],
      async onRender(_ctx: Context, args: CallTemplateFunctionArgs): Promise<string | null> {
        return encodeURIComponent(String(args.values.value ?? ""));
      },
    },
    {
      name: "url.decode",
      description: "Decode a percent-encoded URL value",
      args: [{ label: "Encoded Value", type: "text", name: "value", multiLine: true }],
      async onRender(_ctx: Context, args: CallTemplateFunctionArgs): Promise<string | null> {
        try {
          return decodeURIComponent(String(args.values.value ?? ""));
        } catch {
          return "";
        }
      },
    },
  ],
};