import * as path from 'path'
import { readFile } from '../filesystem/readFile'

const DIFF_DOCUMENT_INTRO = "Here are the diffs for all the commits in my PR:"
const finalInstruction = readFile(path.join(__dirname, '..', '..', 'prompt', 'instruction', 'finalInstruction.md'))
const DIVIDER = "\n---------------------------------------------------------------\n"

/**
 * Generates the prompt to send to OpenAI.
 * 
 * @param context The context to send to OpenAI
 * @param diffDocument The diff document to send to OpenAI
 * @returns The prompt to send to OpenAI
 */
function generateOpenAiPrompt(context: string, diffDocument: string): string {
  const output: string[] = []

  // Add the context to the prompt
  output.push(context)
  output.push(DIVIDER)

  output.push(DIFF_DOCUMENT_INTRO)
  output.push(diffDocument)

  // Re-iterate the basic instruction to ensure the LLM doesn't forget it
  output.push(DIVIDER)
  output.push(finalInstruction)

  return output.join('\n')
}

export { generateOpenAiPrompt }