import {z} from 'zod'

export type LeadsLookupRequest = {lead_source: string, include_converted?: boolean | undefined, include_disqualified?: boolean | undefined};

export type CreateApiCrmLookupLeadsArgs = {page_size?: number | undefined, page_num?: number | undefined, inactivity_days?: number | undefined, body: LeadsLookupRequest};

export type CreateApiCrmLookupLeadsOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const leadJourneyInfo = z.object({exists: z.boolean(), is_active: z.boolean().optional(), is_converted: z.boolean().optional(), has_activity: z.boolean().optional(), comment_count: z.number().int().gte(0).optional(), days_since_last_activity: z.number().int().gte(0).nullable().optional(), activity_summary: z.string().nullable().optional(), created_date: z.string().nullable().optional()});

export const contactJourneyInfo = z.object({exists: z.boolean(), is_active: z.boolean().optional(), has_activity: z.boolean().optional(), comment_count: z.number().int().gte(0).optional(), days_since_last_activity: z.number().int().gte(0).nullable().optional(), activity_summary: z.string().nullable().optional(), created_date: z.string().nullable().optional(), converted_from_lead: z.boolean().optional()});

export const opportunityJourneyInfo = z.object({exists: z.boolean(), stage: z.string().nullable().optional(), is_closed: z.boolean().optional(), is_won: z.boolean().optional(), created_date: z.string().nullable().optional(), expected_close_date: z.string().nullable().optional(), close_date: z.string().nullable().optional(), opportunity_count: z.number().int().gte(0).optional()});

export const leadJourneyItem = z.object({lead_id: z.string(), external_id: z.string().nullable().optional(), lead: leadJourneyInfo, contact: contactJourneyInfo, opportunity: opportunityJourneyInfo, journey_stage: z.enum(["lead", "contact", "opportunity", "closed"]).nullable().optional(), has_recent_activity: z.boolean().optional(), total_touchpoints: z.number().int().gte(0).optional(), first_seen_date: z.string().nullable().optional()});

export const leadsLookupResponse = z.object({leads: z.array(leadJourneyItem), lead_source: z.string(), total_count: z.number().int().gte(0), page_size: z.number().int().gte(1), page_num: z.number().int().gte(1), total_pages: z.number().int().gte(0)});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Paginated leads lookup by marketing source
 * 
 * POST /crm/lookup/leads
 */
export const createApiCrmLookupLeads = async (args: CreateApiCrmLookupLeadsArgs, options: CreateApiCrmLookupLeadsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (args.page_size != null) query.append("page_size", String(args.page_size))
if (args.page_num != null) query.append("page_num", String(args.page_num))
if (args.inactivity_days != null) query.append("inactivity_days", String(args.inactivity_days))
if (APIKeyHeader !== undefined) headers.set("Authorization", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/crm/lookup/leads${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(leadsLookupResponse, await res.json())
};