import { toError } from '@sim/utils/errors'
import type { NotionQueryDatabaseParams, NotionResponse } from '@/tools/notion/types'
import { DATABASE_QUERY_RESULTS_OUTPUT, PAGINATION_OUTPUT_PROPERTIES } from '@/tools/notion/types'
import { extractTitle, formatPropertyValue } from '@/tools/notion/utils'
import type { ToolConfig } from '@/tools/types'

export const notionQueryDatabaseTool: ToolConfig<NotionQueryDatabaseParams, NotionResponse> = {
  id: 'notion_query_database',
  name: 'Query Notion Database',
  description: 'Query and filter Notion database entries with advanced filtering',
  version: '1.0.0',

  oauth: {
    required: true,
    provider: 'notion',
  },

  params: {
    accessToken: {
      type: 'string',
      required: true,
      visibility: 'hidden',
      description: 'Notion OAuth access token',
    },
    databaseId: {
      type: 'string',
      required: true,
      visibility: 'user-or-llm',
      description: 'The UUID of the Notion database to query',
    },
    filter: {
      type: 'string',
      required: false,
      visibility: 'user-or-llm',
      description: 'Filter conditions as JSON (optional)',
    },
    sorts: {
      type: 'string',
      required: false,
      visibility: 'user-or-llm',
      description: 'Sort criteria as JSON array (optional)',
    },
    pageSize: {
      type: 'number',
      required: false,
      visibility: 'user-or-llm',
      description: 'Number of results to return (default: 100, max: 100)',
    },
    startCursor: {
      type: 'string',
      required: false,
      visibility: 'user-or-llm',
      description: 'Pagination cursor returned by a previous request',
    },
  },

  request: {
    url: (params: NotionQueryDatabaseParams) => {
      return `https://api.notion.com/v1/databases/${params.databaseId.trim()}/query`
    },
    method: 'POST',
    headers: (params: NotionQueryDatabaseParams) => {
      if (!params.accessToken) {
        throw new Error('Access token is required')
      }

      return {
        Authorization: `Bearer ${params.accessToken}`,
        'Notion-Version': '2022-06-28',
        'Content-Type': 'application/json',
      }
    },
    body: (params: NotionQueryDatabaseParams) => {
      const body: any = {}

      // Add filter if provided
      if (params.filter) {
        try {
          body.filter = JSON.parse(params.filter)
        } catch (error) {
          throw new Error(`Invalid filter JSON: ${toError(error).message}`)
        }
      }

      // Add sorts if provided
      if (params.sorts) {
        try {
          body.sorts = JSON.parse(params.sorts)
        } catch (error) {
          throw new Error(`Invalid sorts JSON: ${toError(error).message}`)
        }
      }

      // Add page size if provided
      if (params.pageSize) {
        body.page_size = Math.min(Number(params.pageSize), 100)
      }

      // Add pagination cursor if provided
      if (params.startCursor) {
        body.start_cursor = params.startCursor.trim()
      }

      return body
    },
  },

  transformResponse: async (response: Response) => {
    const data = await response.json()
    const results = data.results || []

    // Format the results into readable content
    const content = results
      .map((page: any, index: number) => {
        const properties = page.properties || {}
        const title = extractTitle(properties)
        const propertyValues = Object.entries(properties)
          .map(([key, value]: [string, any]) => {
            const formattedValue = formatPropertyValue(value)
            return `  ${key}: ${formattedValue}`
          })
          .join('\n')

        return `Entry ${index + 1}${title ? ` - ${title}` : ''}:\n${propertyValues}`
      })
      .join('\n\n')

    return {
      success: true,
      output: {
        content: content || 'No results found',
        metadata: {
          totalResults: results.length,
          hasMore: data.has_more || false,
          nextCursor: data.next_cursor || null,
          results: results,
        },
      },
    }
  },

  outputs: {
    content: {
      type: 'string',
      description: 'Formatted list of database entries with their properties',
    },
    metadata: {
      type: 'object',
      description:
        'Query metadata including total results count, pagination info, and raw results array',
      properties: {
        totalResults: { type: 'number', description: 'Number of results returned' },
        hasMore: PAGINATION_OUTPUT_PROPERTIES.has_more,
        nextCursor: PAGINATION_OUTPUT_PROPERTIES.next_cursor,
        results: DATABASE_QUERY_RESULTS_OUTPUT,
      },
    },
  },
}

// V2 Tool with API-aligned outputs
interface NotionQueryDatabaseV2Response {
  success: boolean
  output: {
    results: any[]
    has_more: boolean
    next_cursor: string | null
    total_results: number
  }
}

export const notionQueryDatabaseV2Tool: ToolConfig<
  NotionQueryDatabaseParams,
  NotionQueryDatabaseV2Response
> = {
  id: 'notion_query_database_v2',
  name: 'Query Notion Database',
  description: 'Query and filter Notion database entries with advanced filtering',
  version: '2.0.0',
  oauth: notionQueryDatabaseTool.oauth,
  params: notionQueryDatabaseTool.params,
  request: notionQueryDatabaseTool.request,

  transformResponse: async (response: Response) => {
    const data = await response.json()
    const results = data.results || []

    return {
      success: true,
      output: {
        results,
        has_more: data.has_more || false,
        next_cursor: data.next_cursor || null,
        total_results: results.length,
      },
    }
  },

  outputs: {
    results: DATABASE_QUERY_RESULTS_OUTPUT,
    has_more: PAGINATION_OUTPUT_PROPERTIES.has_more,
    next_cursor: PAGINATION_OUTPUT_PROPERTIES.next_cursor,
    total_results: { type: 'number', description: 'Number of results returned' },
  },
}