import toast from 'react-hot-toast';
const ANSWERS_PREFIX = 'answers';

export const generateAnswersImageMarkdown = (index: number, url: string) => {
  return `![${ANSWERS_PREFIX}-${index}](${url})`;
};

export const cleanInputMessage = (content: string) => {
  return content
    .replace(/!\[input-.*?\)/g, '')
    .replace(/<video[^>]*>.*?<\/video>/g, '');
};

export const cleanAnswerMessage = (content: string) => {
  return content.replace(/!\[answers.*?\.png\)/g, '');
};

type PlansBody =
  | {
      type: 'plans';
      status: 'started';
    }
  | {
      type: 'plans';
      status: 'completed';
      payload: Array<Record<string, string>>;
    };

type ToolsBody =
  | {
      type: 'tools';
      status: 'started';
    }
  | {
      type: 'tools';
      status: 'completed';
      payload: Array<Record<string, string>>;
    };

type CodeBody =
  | {
      type: 'code';
      status: 'started';
    }
  | {
      type: 'code';
      status: 'running';
      payload: {
        code: string;
        test: string;
      };
    }
  | {
      type: 'code';
      status: 'completed' | 'failed';
      payload: {
        code: string;
        test: string;
        result: string;
      };
    };

// this will return if self_reflection flag is true
type ReflectionBody =
  | {
      type: 'self_reflection';
      status: 'started';
    }
  | {
      type: 'self_reflection';
      status: 'completed' | 'failed';
      payload: { feedback: string; success: boolean };
    };


export type CodeResult = {
  code: string;
  test: string;
  result: string;
};

export type ChunkBody =
  | {
      type: 'plans' | 'tools' | 'code' | 'final_code' | 'final_error';
      status: 'started' | 'completed' | 'failed' | 'running';
      payload:
        | Array<Record<string, string>> // PlansBody | ToolsBody
        | CodeResult; // CodeBody
    }
  | PrismaJson.FinalChatResult;

/**
 * Formats the stream logs and returns an array of grouped sections.
 *
 * @param content - The content of the stream logs.
 * @returns An array of grouped sections and an optional final code result.
 */
export const formatStreamLogs = (
  content: string | null | undefined,
): [ChunkBody[], CodeResult?] => {
  if (!content) return [[], undefined];
  const streamLogs = content.split('\n').filter(log => !!log);

  const buffer = streamLogs.pop();
  const parsedStreamLogs: ChunkBody[] = [];
  try {
    streamLogs.forEach(streamLog =>
      parsedStreamLogs.push(JSON.parse(streamLog)),
    );
  } catch {
    toast.error('Error parsing stream logs');
    return [[], undefined];
  }

  if (buffer) {
    try {
      const lastLog = JSON.parse(buffer);
      parsedStreamLogs.push(lastLog);
    } catch {
      console.log(buffer);
    }
  }

  // Merge consecutive logs of the same type to the latest status
  const groupedSections = parsedStreamLogs.reduce((acc, curr) => {
    if (
      acc.length > 0 &&
      acc[acc.length - 1].type === curr.type &&
      curr.status !== 'started'
    ) {
      acc[acc.length - 1] = curr;
    } else {
      acc.push(curr);
    }
    return acc;
  }, [] as ChunkBody[]);

  return [
    groupedSections.filter(section => section.type !== 'final_code'),
    groupedSections.find(section => section.type === 'final_code')
      ?.payload as CodeResult,
  ];
};