import { createLogger } from '@sim/logger'
import type { PipedriveGetLeadsParams, PipedriveGetLeadsResponse } from '@/tools/pipedrive/types'
import { PIPEDRIVE_LEAD_OUTPUT_PROPERTIES } from '@/tools/pipedrive/types'
import type { ToolConfig } from '@/tools/types'

const logger = createLogger('PipedriveGetLeads')

export const pipedriveGetLeadsTool: ToolConfig<PipedriveGetLeadsParams, PipedriveGetLeadsResponse> =
  {
    id: 'pipedrive_get_leads',
    name: 'Get Leads from Pipedrive',
    description: 'Retrieve all leads or a specific lead from Pipedrive',
    version: '1.0.0',

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

    params: {
      accessToken: {
        type: 'string',
        required: true,
        visibility: 'hidden',
        description: 'The access token for the Pipedrive API',
      },
      lead_id: {
        type: 'string',
        required: false,
        visibility: 'user-or-llm',
        description: 'Optional: ID of a specific lead to retrieve (e.g., "abc123-def456-ghi789")',
      },
      archived: {
        type: 'string',
        required: false,
        visibility: 'user-or-llm',
        description: 'Get archived leads instead of active ones (e.g., "true" or "false")',
      },
      owner_id: {
        type: 'string',
        required: false,
        visibility: 'user-or-llm',
        description: 'Filter by owner user ID (e.g., "123")',
      },
      person_id: {
        type: 'string',
        required: false,
        visibility: 'user-or-llm',
        description: 'Filter by person ID (e.g., "456")',
      },
      organization_id: {
        type: 'string',
        required: false,
        visibility: 'user-or-llm',
        description: 'Filter by organization ID (e.g., "789")',
      },
      limit: {
        type: 'string',
        required: false,
        visibility: 'user-or-llm',
        description: 'Number of results to return (e.g., "50", default: 100, max: 500)',
      },
      start: {
        type: 'string',
        required: false,
        visibility: 'user-or-llm',
        description: 'Pagination start offset (0-based index of the first item to return)',
      },
    },

    request: {
      url: (params) => {
        // If lead_id is provided, get specific lead
        if (params.lead_id) {
          return `https://api.pipedrive.com/v1/leads/${params.lead_id}`
        }

        // Get archived or active leads with optional filters
        const baseUrl =
          params.archived === 'true'
            ? 'https://api.pipedrive.com/v1/leads/archived'
            : 'https://api.pipedrive.com/v1/leads'

        const queryParams = new URLSearchParams()

        if (params.owner_id) queryParams.append('owner_id', params.owner_id)
        if (params.person_id) queryParams.append('person_id', params.person_id)
        if (params.organization_id) queryParams.append('organization_id', params.organization_id)
        if (params.limit) queryParams.append('limit', params.limit)
        if (params.start) queryParams.append('start', params.start)

        const queryString = queryParams.toString()
        return queryString ? `${baseUrl}?${queryString}` : baseUrl
      },
      method: 'GET',
      headers: (params) => {
        if (!params.accessToken) {
          throw new Error('Access token is required')
        }

        return {
          Authorization: `Bearer ${params.accessToken}`,
          Accept: 'application/json',
        }
      },
    },

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

      if (!data.success) {
        logger.error('Pipedrive API request failed', { data })
        throw new Error(data.error || 'Failed to fetch lead(s) from Pipedrive')
      }

      // If lead_id was provided, return single lead
      if (params?.lead_id) {
        return {
          success: true,
          output: {
            lead: data.data ?? null,
            success: true,
          },
        }
      }

      // Otherwise, return list of leads
      const leads = data.data || []
      // Leads endpoint puts pagination fields directly on additional_data (no .pagination wrapper)
      const hasMore = data.additional_data?.more_items_in_collection || false
      const currentStart = data.additional_data?.start ?? 0
      const currentLimit = data.additional_data?.limit ?? leads.length
      const nextStart = hasMore ? currentStart + currentLimit : null

      return {
        success: true,
        output: {
          leads,
          total_items: leads.length,
          has_more: hasMore,
          next_start: nextStart,
          success: true,
        },
      }
    },

    outputs: {
      leads: {
        type: 'array',
        description: 'Array of lead objects (when listing all)',
        optional: true,
        items: {
          type: 'object',
          properties: PIPEDRIVE_LEAD_OUTPUT_PROPERTIES,
        },
      },
      lead: {
        type: 'object',
        description: 'Single lead object (when lead_id is provided)',
        optional: true,
        properties: PIPEDRIVE_LEAD_OUTPUT_PROPERTIES,
      },
      total_items: {
        type: 'number',
        description: 'Total number of leads returned',
        optional: true,
      },
      has_more: {
        type: 'boolean',
        description: 'Whether more leads are available',
        optional: true,
      },
      next_start: {
        type: 'number',
        description: 'Offset for fetching the next page',
        optional: true,
      },
      success: { type: 'boolean', description: 'Operation success status' },
    },
  }