import { app } from '@/app.ts';
import { getFileStat, getMinioList, deleteFile, updateFileStat, deleteFiles } from './module/get-minio-list.ts';
import path from 'path';
import { CustomError } from '@kevisual/router';
import { get } from 'http';
import { callDetectAppVersion } from '../app-manager/export.ts';

/**
 * 清理prefix中的'..'
 * @param prefix
 * @returns
 */
const handlePrefix = (prefix: string) => {
  // 清理所有的 '..'
  if (!prefix) return '';
  if (prefix.includes('..')) {
    throw new CustomError('invalid prefix');
  }
  return prefix;
};
/**
 * 根据用户名获取prefix
 * @param data
 * @param tokenUser
 * @returns
 */
const getPrefixByUser = (data: { prefix: string }, tokenUser: { username: string }) => {
  const prefixBase = '/' + tokenUser.username;
  const _prefix = handlePrefix(data.prefix);
  return {
    len: prefixBase.length,
    prefix: path.join(prefixBase, './', _prefix),
  };
};
app
  .route({
    path: 'file',
    key: 'list',
    middleware: ['auth'],
  })
  .define(async (ctx) => {
    const tokenUser = ctx.state.tokenUser;
    const data = ctx.query.data || {};
    const { len, prefix } = getPrefixByUser(data, tokenUser);
    const recursive = data.recursive;
    const list = await getMinioList({ prefix: prefix.slice(1), recursive: recursive });

    ctx.body = list.map((item) => {
      if ('prefix' in item) {
        return {
          ...item,
          prefix: item.prefix.slice(len),
        };
      } else {
        return { ...item, name: item.name.slice(len) };
      }
    });
    return ctx;
  })
  .addTo(app);

app
  .route({
    path: 'file',
    key: 'stat',
    middleware: ['auth'],
  })
  .define(async (ctx) => {
    const tokenUser = ctx.state.tokenUser;
    const data = ctx.query.data || {};
    const { prefix } = getPrefixByUser(data, tokenUser);
    console.log('prefix', prefix);
    const stat = await getFileStat(prefix.slice(1));
    ctx.body = stat;
    return ctx;
  })
  .addTo(app);

app
  .route({
    path: 'file',
    key: 'me-all-file-stat',
    middleware: ['auth'],
  })
  .define(async (ctx) => {
    const tokenUser = ctx.state.tokenUser;
    const list = await getMinioList({ prefix: '' + tokenUser.username, recursive: true });
    const size = list.reduce((acc, item) => {
      if ('size' in item) {
        return acc + item.size;
      }
      return acc;
    }, 0);
    const sizeMb = size / 1024 / 1024;
    ctx.body = {
      list,
      total: list.length,
      size,
      sizeMb,
    };
  })
  .addTo(app);

app
  .route({
    path: 'file',
    key: 'delete',
    middleware: ['auth'],
  })
  .define(async (ctx) => {
    const tokenUser = ctx.state.tokenUser;
    const data = ctx.query.data || {};
    const { prefix } = getPrefixByUser(data, tokenUser);
    const [username, appKey, version] = prefix.slice(1).split('/');
    const res = await deleteFile(prefix.slice(1));
    if (res.code === 200) {
      ctx.body = 'delete success';
    } else {
      ctx.throw(500, res.message || 'delete failed');
    }
    const r = await callDetectAppVersion({ appKey, version, username }, ctx.query.token);
    if (r.code !== 200) {
      console.error('callDetectAppVersion failed', r, prefix);
    }
  })
  .addTo(app);

app
  .route({
    path: 'file',
    key: 'update-metadata',
    middleware: ['auth'],
  })
  .define(async (ctx) => {
    const tokenUser = ctx.state.tokenUser;
    const data = ctx.query.data || {};
    if (!data.metadata || JSON.stringify(data.metadata) === '{}') {
      ctx.throw(400, 'metadata is required');
    }
    const { prefix } = getPrefixByUser(data, tokenUser);
    const res = await updateFileStat(prefix.slice(1), data.metadata);
    if (res.code === 200) {
      ctx.body = 'update metadata success';
    } else {
      ctx.throw(500, res.message || 'update metadata failed');
    }
    return ctx;
  })
  .addTo(app);

app
  .route({
    path: 'file',
    key: 'delete-all',
    middleware: ['auth'],
  })
  .define(async (ctx) => {
    const tokenUser = ctx.state.tokenUser;
    let directory = ctx.query.data?.directory as string;
    if (!directory) {
      ctx.throw(400, 'directory is required');
    }
    if (directory.startsWith('/')) {
      ctx.throw(400, 'directory is invalid, cannot start with /');
    }
    if (directory.endsWith('/')) {
      ctx.throw(400, 'directory is invalid, cannot end with /');
    }
    const prefix = tokenUser.username + '/' + directory + '/';
    const list = await getMinioList<true>({ prefix, recursive: true });
    if (list.length === 0) {
      ctx.throw(400, 'directory is empty');
    }
    const res = await deleteFiles(list.map((item) => item.name));
    if (!res) {
      ctx.throw(500, 'delete all failed');
    }
    ctx.body = {
      deleted: list.length,
      message: 'delete all success',
    };
  })
  .addTo(app);