import { MessageBase } from './types';
import { CLEANED_SEPARATOR } from './constants';

const PAIRS: Record<string, string> = {
  '┍': '┑',
  '┝': '┥',
  '├': '┤',
  '┕': '┙',
};

const MIDDLE_STARTER = '┝';
const MIDDLE_SEPARATOR = '┿';

const ANSWERS_PREFIX = 'answers';
const INPUT_PREFIX = 'input';

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

export const generateInputImageMarkdown = (url: string, index = 0) => {
  if (url.toLowerCase().endsWith('.mp4')) {
    const prefix = 'input-video';
    return `![${INPUT_PREFIX}-${index}](<${url}>)`;
  } else {
    const prefix = 'input';
    return `![${INPUT_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, '');
};

const generateJSONArrayMarkdown = (
  message: string,
  payload: Array<Record<string, string | boolean>>,
) => {
  if (payload.length === 0) return '';
  const keys = Object.keys(payload[0]);
  message += '\n';
  message += '| ' + keys.join(' | ') + ' |' + '\n';
  message += new Array(keys.length + 1).fill('|').join(' :- ') + '\n';
  payload.forEach((obj: any) => {
    message +=
      '| ' +
      keys
        .map(key => {
          if (key === 'documentation') {
            const doc = `\`\`\`\n${obj[key]}\n\`\`\`\n`;
            return `<button data-details=${JSON.stringify(encodeURI(doc))}>Show</button>`;
          } else {
            return obj[key];
          }
        })
        .join(' | ') +
      ' |' +
      '\n';
  });
  message += '\n';
  return message;
};

const generateStringArrayMarkdown = (
  message: string,
  header: string,
  payload: Array<string>,
) => {
  message += '\n';
  message += '| ' + header + ' |' + '\n';
  message += '| ' + ':-' + ' |' + '\n';
  payload.forEach((tool: string) => {
    message += '| ' + tool + ' |' + '\n';
  });
  message += '\n';
  return message;
};

const generateCodeExecutionMarkdown = (
  message: string,
  payload: {
    code: string;
    test: string;
    result?: string;
  },
) => {
  let Details = 'Code: \n';
  Details += `\`\`\`python\n${payload.code}\n\`\`\`\n`;
  Details += 'Test: \n';
  Details += `\`\`\`python\n${payload.test}\n\`\`\`\n`;
  if (payload.result) {
    Details += 'Execution result: \n';
    Details += `\`\`\`python\n${payload.result}\n\`\`\`\n`;
  }
  message += `<button data-details=${JSON.stringify(encodeURI(Details))}>View details</button> \n`;

  return message;
};

const generateFinalCodeMarkdown = (
  message: string,
  payload: {
    code: string;
    test: string;
    result: string;
  },
) => {
  message += 'Final Code: \n';
  message += `\`\`\`python\n${payload.code}\n\`\`\`\n`;
  message += 'Final test: \n';
  message += `\`\`\`python\n${payload.test}\n\`\`\`\n`;
  message += `Final result: \n`;
  message += `\`\`\`\n${payload.result}\n\`\`\`\n`;
  return message;
};

const generateFinalResultMarkdown = (
  message: string,
  payload: {
    success: boolean;
    reach_max_retries: boolean;
  },
) => {
  if (payload.reach_max_retries) {
    message += 'Reach max debug retries!\n';
  } else if (payload.success) {
    message += 'Success!';
  }
  message += '\n';
  return message;
};

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;
      };
    };

type FinalCodeBody = {
  type: 'final_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 };
    };

type MessageBody =
  | PlansBody
  | ToolsBody
  | CodeBody
  | ReflectionBody
  | FinalCodeBody;

const getMessageTitle = (json: MessageBody) => {
  switch (json.type) {
    case 'plans':
      if (json.status === 'started') {
        return '🎬 Start generating plans...\n';
      } else {
        return '✅ Going to run the following plan(s) in sequence:\n';
      }
    case 'tools':
      if (json.status === 'started') {
        return '🎬 Start retrieving tools...\n';
      } else {
        return '✅ Tools retrieved:\n';
      }
    case 'code':
      if (json.status === 'started') {
        return '🎬 Start generating code...\n';
      } else if (json.status === 'running') {
        return '🎬 Code generated, start execution... ';
      } else if (json.status === 'completed') {
        return '✅ Code executed successfully. ';
      } else {
        return '❌ Code execution failed. ';
      }
    case 'self_reflection':
      if (json.status === 'started') {
        return '🎬 Start self reflection...\n';
      } else if (json.status === 'completed') {
        return '✅ Self reflection completed: \n';
      } else {
        return '❌ Self reflection failed: \n';
      }
    case 'final_code':
      if (json.status === 'completed') {
        return '✅ The vision agent has concluded the chat, the last execution is successful. \n';
      } else {
        return '❌ he vision agent has concluded the chat, the last execution is failed. \n';
      }
    default:
      throw 'Not supported type';
  }
};
const parseLine = (json: MessageBody) => {
  const title = getMessageTitle(json);
  if (json.status === 'started') {
    return title;
  }
  switch (json.type) {
    case 'plans':
      return generateJSONArrayMarkdown(title, json.payload);
    case 'tools':
      return generateJSONArrayMarkdown(title, json.payload);
    case 'code':
      return generateCodeExecutionMarkdown(title, json.payload);
    case 'self_reflection':
      return generateJSONArrayMarkdown(title, [json.payload]);
    case 'final_code':
      return generateFinalCodeMarkdown(title, json.payload);
    default:
      throw 'Not supported type';
  }
};

export const getCleanedUpMessages = ({
  content,
  role,
}: Pick<MessageBase, 'role' | 'content'>) => {
  if (role === 'user') {
    return {
      logs: content,
    };
  }
  if (content.split(CLEANED_SEPARATOR).length === 2) {
    return {
      logs: content.split(CLEANED_SEPARATOR)[0],
      content: content.split(CLEANED_SEPARATOR)[1],
    };
  }
  const [logs = '', answer = ''] = content.split('<ANSWER>');
  const lines = logs.split('\n');
  let formattedLogs = '';
  const jsons: MessageBody[] = [];
  for (let line of lines) {
    if (!line.trim()) {
      continue;
    }
    try {
      const json = JSON.parse(line) as MessageBody;
      if (
        jsons.length > 0 &&
        json.type === jsons[jsons.length - 1].type &&
        json.status !== 'started'
      ) {
        jsons[jsons.length - 1] = json;
      } else {
        jsons.push(json);
      }
    } catch (e) {
      console.error((e as Error).message);
      console.error(line);
    }
  }
  jsons.forEach(json => (formattedLogs += parseLine(json)));
  const [answerText, imagesStr = ''] = answer.split('<VIZ>');
  const [imagesArrayStr, ...rest] = imagesStr.split('</VIZ>');
  const images = imagesArrayStr
    .split('</IMG>')
    .map(str => str.replace('<IMG>', ''))
    .slice(0, -1);
  return {
    logs: formattedLogs,
    content:
      answerText.replace('</</ANSWER>', '').replace('</ANSWER>', '') +
      '\n\n' +
      images
        .map((_, index) => generateAnswersImageMarkdown(index, '/loading.gif'))
        .join('') +
      rest.join(''),
    images: images,
  };
};