update.ts

import type {
  GoogleSheetsToolParams,
  GoogleSheetsUpdateResponse,
} from '@/tools/google_sheets/types'
import type { ToolConfig } from '@/tools/types'

export const updateTool: ToolConfig<GoogleSheetsToolParams, GoogleSheetsUpdateResponse> = {
  id: 'google_sheets_update',
  name: 'Update Google Sheets',
  description: 'Update data in a Google Sheets spreadsheet',
  version: '1.0',

  oauth: {
    required: true,
    provider: 'google-sheets',
  },

  params: {
    accessToken: {
      type: 'string',
      required: true,
      visibility: 'hidden',
      description: 'The access token for the Google Sheets API',
    },
    spreadsheetId: {
      type: 'string',
      required: true,
      visibility: 'user-only',
      description: 'The ID of the spreadsheet to update',
    },
    range: {
      type: 'string',
      required: false,
      visibility: 'user-or-llm',
      description: 'The range of cells to update',
    },
    values: {
      type: 'array',
      required: true,
      visibility: 'user-or-llm',
      description: 'The data to update in the spreadsheet',
    },
    valueInputOption: {
      type: 'string',
      required: false,
      visibility: 'hidden',
      description: 'The format of the data to update',
    },
    includeValuesInResponse: {
      type: 'boolean',
      required: false,
      visibility: 'hidden',
      description: 'Whether to include the updated values in the response',
    },
  },

  request: {
    url: (params) => {
      // If range is not provided, use a default range for the first sheet, second row to preserve headers
      const range = params.range || 'Sheet1!A2'

      const url = new URL(
        `https://sheets.googleapis.com/v4/spreadsheets/${params.spreadsheetId}/values/${encodeURIComponent(range)}`
      )

      // Default to USER_ENTERED if not specified
      const valueInputOption = params.valueInputOption || 'USER_ENTERED'
      url.searchParams.append('valueInputOption', valueInputOption)

      if (params.includeValuesInResponse) {
        url.searchParams.append('includeValuesInResponse', 'true')
      }

      return url.toString()
    },
    method: 'PUT',
    headers: (params) => ({
      Authorization: `Bearer ${params.accessToken}`,
      'Content-Type': 'application/json',
    }),
    body: (params) => {
      let processedValues: any = params.values || []

      // Minimal shape enforcement: Google requires a 2D array
      if (!Array.isArray(processedValues)) {
        processedValues = [[processedValues]]
      } else if (!processedValues.every((item: any) => Array.isArray(item))) {
        processedValues = (processedValues as any[]).map((row: any) =>
          Array.isArray(row) ? row : [row]
        )
      }

      // Handle array of objects (existing behavior)
      if (
        Array.isArray(processedValues) &&
        processedValues.length > 0 &&
        typeof processedValues[0] === 'object' &&
        !Array.isArray(processedValues[0])
      ) {
        const allKeys = new Set<string>()
        processedValues.forEach((obj: any) => {
          if (obj && typeof obj === 'object') {
            Object.keys(obj).forEach((key) => allKeys.add(key))
          }
        })
        const headers = Array.from(allKeys)

        const rows = processedValues.map((obj: any) => {
          if (!obj || typeof obj !== 'object') {
            return Array(headers.length).fill('')
          }
          return headers.map((key) => {
            const value = obj[key]
            if (value !== null && typeof value === 'object') {
              return JSON.stringify(value)
            }
            return value === undefined ? '' : value
          })
        })

        processedValues = [headers, ...rows]
      }

      const body: Record<string, any> = {
        majorDimension: params.majorDimension || 'ROWS',
        values: processedValues,
      }
      if (params.range) {
        body.range = params.range
      }
      return body
    },
  },

  transformResponse: async (response: Response) => {
    const data = await response.json()

    // Extract spreadsheet ID from the URL (guard if url is missing)
    const urlParts = typeof response.url === 'string' ? response.url.split('/spreadsheets/') : []
    const spreadsheetId = urlParts[1]?.split('/')[0] || ''

    // Create a simple metadata object with just the ID and URL
    const metadata = {
      spreadsheetId,
      properties: {},
      spreadsheetUrl: `https://docs.google.com/spreadsheets/d/${spreadsheetId}`,
    }

    const result = {
      success: true,
      output: {
        updatedRange: data.updatedRange,
        updatedRows: data.updatedRows,
        updatedColumns: data.updatedColumns,
        updatedCells: data.updatedCells,
        metadata: {
          spreadsheetId: metadata.spreadsheetId,
          spreadsheetUrl: metadata.spreadsheetUrl,
        },
      },
    }

    return result
  },

  outputs: {
    updatedRange: { type: 'string', description: 'Range of cells that were updated' },
    updatedRows: { type: 'number', description: 'Number of rows updated' },
    updatedColumns: { type: 'number', description: 'Number of columns updated' },
    updatedCells: { type: 'number', description: 'Number of cells updated' },
    metadata: { type: 'json', description: 'Spreadsheet metadata including ID and URL' },
  },
}