import {z} from 'zod'

export type CreateApiTicketsArgs = {body: {subject: string, description: string, requester_id?: string | undefined, priority?: ('low' | 'normal' | 'high' | 'urgent') | undefined, subscription_id?: string | undefined, organization_id?: string | undefined, affected_url?: string | undefined, followup_tid?: string | undefined, category?: ('access' | 'billing_question' | 'complaint' | 'compliance_question' | 'configuration_change' | 'general_question' | 'incident_outage' | 'bug_report' | 'report_a_gui_bug' | 'onboarding' | 'close_my_account') | undefined, attachments?: (Array<{filename?: string | undefined, data?: string | undefined}>) | undefined, collaborator_ids?: Array<string> | undefined}};

export type CreateApiTicketsOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const ticket = z.object({ticket_id: z.number().int().optional(), created: z.string().optional(), updated: z.string().optional(), type: z.enum(["problem", "task", "incident", "question"]).optional(), subject: z.string().optional(), description: z.string().optional(), priority: z.enum(["low", "normal", "high", "urgent"]).optional(), followup_tid: z.string().optional(), status: z.enum(["closed", "deleted", "hold", "new", "open", "pending", "solved"]).optional(), recipient: z.string().optional(), requester_id: z.string().optional(), submitter_id: z.string().optional(), assignee_id: z.string().optional(), organization_id: z.string().optional(), collaborator_ids: z.array(z.string()).optional(), has_incidents: z.boolean().optional(), due: z.string().optional(), tags: z.array(z.string()).optional(), subscription_id: z.string().optional(), ticket_group: z.string().optional(), support_plan: z.string().optional(), affected_url: z.string().optional(), queue: z.string().optional(), issue_type: z.string().optional(), resolution_time: z.string().optional(), response_time: z.string().optional(), project_url: z.string().optional(), region: z.string().optional(), category: z.enum(["access", "billing_question", "complaint", "compliance_question", "configuration_change", "general_question", "incident_outage", "bug_report", "onboarding", "report_a_gui_bug", "close_my_account"]).optional(), environment: z.enum(["env_development", "env_staging", "env_production"]).optional(), ticket_sharing_status: z.enum(["ts_sent_to_platform", "ts_accepted_by_platform", "ts_returned_from_platform", "ts_solved_by_platform", "ts_rejected_by_platform"]).optional(), application_ticket_url: z.string().optional(), infrastructure_ticket_url: z.string().optional(), jira: z.array(z.object({id: z.number().int().optional(), ticket_id: z.number().int().optional(), issue_id: z.number().int().optional(), issue_key: z.string().optional(), created_at: z.number().optional(), updated_at: z.number().optional()})).optional(), zd_ticket_url: z.string().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 a new support ticket
 * 
 * POST /tickets
 */
export const createApiTickets = async (args: CreateApiTicketsArgs, options?: CreateApiTicketsOptions) => {
const {baseUrl = "https://api.upsun.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/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(ticket, await res.json())
};