import {
  Body,
  Controller,
  Get,
  Headers,
  HttpException,
  Inject,
  Param,
  Post,
  Put,
  Query,
  UnsupportedMediaTypeException,
} from '@nestjs/common';
import { ApiTags } from '@nestjs/swagger';
import {
  AuthenticateCondition,
  Authenticated,
} from '../../authentication/authentication.decorator';
import { PERMISSIONS_GROUPS } from '../../authentication/permissions.enum';
import { CatalogService } from './catalog.service';
import { DadosferaLogger } from '@dadosfera/dadosfera-logs';
import { PackTheMetadata } from 'src/utils/ PackTheMetadata';
import { RequestUser, User } from 'src/authentication/user.decorator';
import {
  ICatalogAllResponse,
  IColumnsMetadataResponse,
  IDocsResponse,
  IPreviewResponse,
} from './dtos';

@ApiTags('Catalog')
@Controller('catalog')
@Authenticated()
@AuthenticateCondition((req, user) => {
  if (req.path.includes('/manage_permissions/')) return true;
  let action;

  switch (req.method) {
    case 'POST':
      action = 'CREATE';
      break;

    case 'PUT':
      action = 'UPDATE';
      break;

    default:
      action = req.method;
  }

  return user.permissions.includes(
    PERMISSIONS_GROUPS.CATALOG.permissions[action].seqid,
  );
})
export class CatalogController {
  logger: DadosferaLogger;
  constructor(
    @Inject(DadosferaLogger)
    dadosferaLogger: DadosferaLogger,
    private catalogService: CatalogService,
  ) {
    this.logger = dadosferaLogger.logger;
  }

  @Get()
  async catalogAll(
    @User() user: RequestUser,
    @Query() query,
  ): Promise<ICatalogAllResponse> {
    const { user_id, customer_name, customer_id, username, permissions } = user;
    this.logger.info(`/catalog - Catalog all data assets`, {
      user_id,
      customer_name,
    });

    const is_data_manager = permissions.includes(
      PERMISSIONS_GROUPS.CATALOG.permissions.DATA_MANAGER.seqid,
    );

    const roles = await this.catalogService.getUserRolesIds(user_id);

    const metadata = PackTheMetadata({
      user_id,
      customer_id,
      customer_name,
      username,
      roles,
      is_data_manager,
    });

    const res = await this.catalogService.getAllOpenSearchDataAssets(
      query,
      metadata,
      customer_id,
    );

    return { ...res };
  }

  @Get('tags')
  async findAllTags(@Body() body) {
    this.logger.info(`/catalog - ON FIND ALL TAGS ROUTE`, {
      user: body.info.user_id,
      customer: body.info.customer,
    });

    const { user_id, customer, customer_id } = body.info;
    const metadata = PackTheMetadata({
      user_id,
      customer_id,
      customer_name: customer,
    });

    const res = await this.catalogService.findAllTags(body, metadata);

    return res;
  }

  @Get('data-asset/:id')
  async getDataAsset(
    @User() user: RequestUser,
    @Headers() headers,
    @Param('id') id,
  ) {
    const { username, user_id, customer_id, customer_name, permissions } = user;
    const [data_asset_type, data_asset_id] = id.split('-');

    this.logger.info(`/catalog - ON GET ONE DASHBOARD METABASE ROUTE`, {
      username,
      customer_name,
    });

    const is_data_manager = permissions.includes(
      PERMISSIONS_GROUPS.CATALOG.permissions.DATA_MANAGER.seqid,
    );
    let has_permission = false;
    const metadata = PackTheMetadata({
      username,
      user_id,
      customer_id,
      customer_name,
    });

    const user_roles = await this.catalogService.getUserRolesIds(user_id);

    const { data_asset } = await this.catalogService.getOneDataAsset({
      customer_id,
      data_asset_id,
      data_asset_type,
      metadata,
    });

    if (data_asset?.owner === username) has_permission = true;

    for (const role of user_roles) {
      if (data_asset.p_roles.includes(role)) has_permission = true;
    }

    if (data_asset.p_users.includes(user_id)) has_permission = true;

    if (is_data_manager || has_permission) {
      delete data_asset.p_roles;
      delete data_asset.p_users;
      return { data_asset };
    }

    throw new HttpException(
      'You do not have permission to access this data asset.',
      403,
    );
  }

  @Get('data-asset/:id/columns-metadata')
  async getDataAssetColumnsMetadata(
    @User() user: RequestUser,
    @Headers('Dadosfera-Lang') language,
    @Param('id') id,
  ): Promise<IColumnsMetadataResponse> {
    const { customer_name, customer_id, user_id, username } = user;
    const data_asset_type = id.split('-')[0];

    const supported_data_assets = ['dataset'];

    if (!supported_data_assets.includes(data_asset_type)) {
      throw new UnsupportedMediaTypeException(
        `${data_asset_type} does not have a preview function for the time being.`,
      );
    }

    this.logger.info(`/catalog - ON GET DATA DOCS ROUTE`, {
      user_id,
      customer_name,
    });

    const metadata = PackTheMetadata({
      customer_name,
      customer_id,
      user_id,
      username,
      language,
    });

    const columns_metadata =
      await this.catalogService.getDatasetColumnsMetadata(id, metadata);

    return { columns_metadata };
  }

  @Get('data-asset/:id/preview')
  async getDataAssetPreview(
    @User() user: RequestUser,
    @Headers('Dadosfera-lang') language,
    @Param('id') id,
  ): Promise<IPreviewResponse> {
    const { customer_name, customer_id, user_id, username } = user;
    const data_asset_type = id.split('-')[0];

    const supported_data_assets = ['dataset'];

    if (!supported_data_assets.includes(data_asset_type)) {
      throw new UnsupportedMediaTypeException(
        `${data_asset_type} does not have a preview function for the time being.`,
      );
    }

    this.logger.info(`/catalog - ON GET DATA DOCS ROUTE`, {
      user_id,
      customer_name,
    });

    const metadata = PackTheMetadata({
      customer_name,
      customer_id,
      user_id,
      username,
      language,
    });

    const preview = await this.catalogService.getDatasetPreview(id, metadata);

    return { preview };
  }

  @Get('data-asset/:id/docs')
  async getDataAssetDocs(
    @User() user: RequestUser,
    @Headers('Dadosfera-Lang') language,
    @Param('id') id,
  ): Promise<IDocsResponse> {
    const { customer_name, customer_id, user_id, username } = user;
    const data_asset_type = id.split('-')[0];

    const supported_data_assets = ['dataset'];

    if (!supported_data_assets.includes(data_asset_type)) {
      throw new UnsupportedMediaTypeException(
        `${data_asset_type} does not have a documentation function for the time being.`,
      );
    }

    this.logger.info(`/catalog - ON GET DATA DOCS ROUTE`, {
      user_id,
      customer_name,
    });

    const metadata = PackTheMetadata({
      customer_name,
      customer_id,
      user_id,
      username,
      language,
    });

    const docs = await this.catalogService.getDataDocs(id, metadata);

    return { docs };
  }

  @Put('data-asset/:id')
  async updateDataAsset(
    @User() user: RequestUser,
    @Headers() headers,
    @Param('id') id,
  ) {
    console.log(user, headers);
    return { data_asset_id: id, message: 'Under development' };
  }

  @Post('data-asset/:id/docs')
  async manageDataAssetDocs(
    @User() user: RequestUser,
    @Headers() headers,
    @Param('id') data_asset_id,
    @Body('docs') docs: string,
  ) {
    const { user_id, customer_name } = user;
    const [data_asset_type, id] = data_asset_id.split('-');

    this.logger.info(`/catalog - ON GET DATA DOCS ROUTE`, {
      user_id,
      customer_name,
    });

    const res = await this.catalogService.createDataDocs({
      table_id: id,
      docs,
      info: {
        customer: customer_name,
      },
    });

    return res;
  }

  @Post('data-asset/:id/comment')
  async makeAComment(
    @User() user: RequestUser,
    @Headers() headers,
    @Param('id') id,
  ) {
    console.log(user, headers);
    return { data_asset_id: id, message: 'Under development' };
  }

  @Put('data-asset/:id/manage-permissions')
  async manageDataAssetPermissions(
    @Param('id') id: string,
    @User() user: RequestUser,
    @Body() body,
  ) {
    const { customer_id, customer_name, user_id, username } = user;
    const metadata = PackTheMetadata({
      customer_id,
      customer_name,
      user_id,
      username,
    });
    const response = await this.catalogService.managePermissions(
      { ...body, id },
      metadata,
    );

    return { data_asset: JSON.parse(response.data_asset) };
  }

  @Put('data-asset/:id/revoke-permissions')
  async revokeDataAssetPermissions(
    @Param('id') id: string,
    @User() user: RequestUser,
    @Body() body,
  ) {
    const { customer_id, customer_name, user_id, username } = user;
    const metadata = PackTheMetadata({
      customer_id,
      customer_name,
      user_id,
      username,
    });
    const response = await this.catalogService.revokePermissions(
      { ...body, id },
      metadata,
    );

    return { message: response.message };
  }
}