import {z} from 'zod'

export type TurnCommentRequestModel = {turn_index: number, comment: string};

export type AgentConversationTicketPriority = 'low' | 'medium' | 'high' | 'urgent';

export type CreateAgentConversationTicketRequestModel = {conversation_id: string, title?: (string | null) | undefined, qa_comment?: (string | null) | undefined, turn_comments?: Array<TurnCommentRequestModel> | undefined, priority?: (AgentConversationTicketPriority | null) | undefined};

export type CreateApiV1ConvaiTriageTicketsArgs = {'xi-api-key'?: (string | null) | undefined, body: CreateAgentConversationTicketRequestModel};

export type CreateApiV1ConvaiTriageTicketsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const agentConversationTicketIssueType = z.enum(["knowledge_gap", "incorrect_information", "documentation_gap", "product_feedback", "platform_bug", "tool_issue", "missing_tool", "unnecessary_escalation", "wrong_action"]);

export const ticketCommentResponseModel = z.object({comment: z.string(), created_at_unix_secs: z.number().int(), owner_user_id: z.string().nullable()});

export const turnCommentResponseModel = z.object({turn_index: z.number().int(), comment: z.string(), created_at_unix_secs: z.number().int(), owner_user_id: z.string().nullable()});

export const agentConversationTicketStatus = z.enum(["open", "in_progress", "resolved", "cancelled", "merged"]);

export const agentConversationTicketPriority = z.enum(["low", "medium", "high", "urgent"]);

export const ticketPriorityChangeResponseModel = z.object({priority: agentConversationTicketPriority.nullable(), changed_by_user_id: z.string(), changed_at_unix_secs: z.number().int()});

export const ticketStatusChangeResponseModel = z.object({status: agentConversationTicketStatus, changed_by_user_id: z.string().nullable(), changed_at_unix_secs: z.number().int()});

export const agentConversationTicketSource = z.enum(["qa", "agent", "manual"]);

export const ticketSearchMatchField = z.enum(["title", "description", "comment", "turn_comment"]);

export const ticketSearchMatchResponseModel = z.object({field: ticketSearchMatchField, snippet: z.string(), highlight_start: z.number().int(), highlight_end: z.number().int(), turn_index: z.number().int().nullable().optional()});

export const agentConversationTicketResponseModel = z.object({agentqa_ticket_id: z.string(), workspace_id: z.string(), owner_user_id: z.string(), agent_id: z.string(), needs_clustering: z.boolean(), title: z.string().nullable(), issue_type: agentConversationTicketIssueType.nullable(), labels: z.array(z.string()), conversation_ids: z.array(z.string()), first_seen_unix_secs: z.number().int().nullable(), last_seen_unix_secs: z.number().int().nullable(), qa_comment: z.string().nullable(), ticket_comments: z.array(ticketCommentResponseModel), turn_comments: z.array(turnCommentResponseModel), status: agentConversationTicketStatus, priority: agentConversationTicketPriority.nullable(), priority_changes: z.array(ticketPriorityChangeResponseModel), status_changes: z.array(ticketStatusChangeResponseModel), merged_into_ticket_id: z.string().nullable().optional(), source: agentConversationTicketSource, assignee_user_id: z.string().nullable(), created_at_unix_secs: z.number().int(), updated_at_unix_secs: z.number().int(), search_match: ticketSearchMatchResponseModel.nullable().optional()});

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
};

/**
 * Create Agent Conversation Ticket
 * 
 * POST /v1/convai/triage-tickets
 */
export const createApiV1ConvaiTriageTickets = async (args: CreateApiV1ConvaiTriageTicketsArgs, options: CreateApiV1ConvaiTriageTicketsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
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/triage-tickets${query.size > 0 ? `?${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(agentConversationTicketResponseModel, await res.json())
};