/**
 * @module
 * This file contains functions to work with AgenticaPromptReporter.
 *
 * @author Wrtn Technologies
 */
import type { AgenticaHistory } from "@agentica/core";
import type { ILlmSchema } from "@samchon/openapi";

export const AgenticaPromptReporter = {
  markdown,
};

function markdown<Model extends ILlmSchema.Model>(p: AgenticaHistory<Model>): string {
  if (p.type === "userMessage") {
    return [`### User Input`, p.contents, ""].join("\n");
  }
  if (p.type === "assistantMessage") {
    return [`### Assistant`, p.text, ""].join("\n");
  }
  if (p.type === "systemMessage") {
    return [`### System`, p.text, ""].join("\n");
  }

  if (p.type === "select" || p.type === "cancel") {
    return [
      `### ${p.type === "select" ? "Select" : "Cancel"}`,
      `  - controller: ${p.selection.operation.controller.name}`,
      `  - function: ${p.selection.operation.function.name}`,
      `  - reason: ${p.selection.reason}`,
      "",
      ...((p.selection.operation.function.description?.length ?? 0) !== 0
        ? [p.selection.operation.function.description, ""]
        : []),
    ].join("\n");
  }

  if (p.type === "describe") {
    return [
      "### Describe",
      ...p.executes.map(e => `  - ${e.operation.name}`),
      "",
      ...p.text.split("\n").map(s => `> ${s}`),
      "",
    ].join("\n");
  }

  if (p.type === "execute") {
    return [
      "### Execute",
      `  - name: ${p.operation.name}`,
      `  - controller: ${p.operation.controller.name}`,
      `  - function: ${p.operation.function.name}`,
      "",
      "```json",
      JSON.stringify(p.arguments, null, 2),
      "```",
      "",
    ].join("\n");
  }

  p satisfies never;
  throw new Error("Invalid history type");
}