import {z} from 'zod'

export type GetApiV1ConvaiOutboundCampaignsConfigArgs = {'xi-api-key'?: (string | null) | undefined};

export type GetApiV1ConvaiOutboundCampaignsConfigOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const intervalPlacement = z.enum(["start", "random", "rotate"]);

export const retryPolicy = z.object({retry_delay_seconds: z.number().int().gt(0).optional(), max_short_retries: z.number().int().gte(0).lte(30).optional(), max_total_calls: z.number().int().gte(1).lte(30).optional(), max_callbacks: z.number().int().gte(0).lte(30).optional(), max_redirects: z.number().int().gte(0).lte(30).optional(), interval_placement: intervalPlacement.optional(), rotate_step_seconds: z.number().int().gt(0).optional(), max_consecutive_failures_per_number: z.number().int().gte(1).lte(30).nullable().optional()});

export const callingIntervalPolicy = z.object({start: z.string(), end: z.string()});

export const callingPeriod = z.object({weekdays: z.array(z.number().int().gte(0).lte(6)), intervals: z.array(callingIntervalPolicy)});

export const dataCollectionConfig = z.object({callback_time: z.string().min(1).nullable().optional(), redirect_phone_number: z.string().min(1).nullable().optional(), stop: z.string().min(1).nullable().optional(), mappings: z.record(z.string(), z.string()).optional()});

export const followupContextPolicy = z.object({call_type: z.boolean().optional(), previous_conversation_id: z.boolean().optional(), previous_summary: z.boolean().optional(), previous_transcript: z.boolean().optional()});

export const policyConfigOutput = z.object({timezone: z.string().optional(), retry: retryPolicy.optional(), calling_periods: z.array(callingPeriod).optional(), data_collection: dataCollectionConfig.optional(), followup_context: followupContextPolicy.optional()});

export const agentPolicyOverrideOutput = z.object({timezone: z.string().nullable().optional(), retry: retryPolicy.nullable().optional(), calling_periods: z.array(callingPeriod).nullable().optional(), data_collection: dataCollectionConfig.nullable().optional(), followup_context: followupContextPolicy.nullable().optional()});

export const campaignConfigOutput = z.object({policy: policyConfigOutput.optional(), agent_policies: z.record(z.string(), agentPolicyOverrideOutput).optional(), whatsapp_voice_policy: agentPolicyOverrideOutput.nullable().optional()});

export const workspaceConfigResponse = z.object({version: z.number().int(), config: campaignConfigOutput});

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
};

/**
 * Get Outbound Campaign Configuration
 * 
 * GET /v1/convai/outbound-campaigns/config
 */
export const getApiV1ConvaiOutboundCampaignsConfig = async (args: GetApiV1ConvaiOutboundCampaignsConfigArgs, options: GetApiV1ConvaiOutboundCampaignsConfigOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['xi-api-key'] != null) headers.set("xi-api-key", String(args['xi-api-key']))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/convai/outbound-campaigns/config${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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