import {z} from 'zod'

export type GetApiV2EnterpriseSessionsInsightsArgs = {skip?: number | undefined, limit?: number | undefined, created_date_from?: (string | null) | undefined, created_date_to?: (string | null) | undefined, updated_date_from?: (string | null) | undefined, updated_date_to?: (string | null) | undefined, org_ids?: (Array<string> | null) | undefined, user_ids?: (Array<string> | null) | undefined, session_ids?: (Array<string> | null) | undefined};

export type GetApiV2EnterpriseSessionsInsightsOptions = {baseUrl: string, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const sessionPullRequest = z.object({pr_state: z.string().nullable(), pr_url: z.string()});

export const sessionAnalysisActionItem = z.object({action_item: z.string(), issue_id: z.string().nullable(), type: z.string()});

export const sessionAnalysisIssue = z.object({impact: z.string(), issue: z.string(), label: z.string()});

export const sessionAnalysisFeedbackItem = z.object({details: z.string().nullable(), excerpt: z.string().nullable(), issue_id: z.string().nullable(), summary: z.string().nullable()});

export const sessionAnalysisSuggestedPrompt = z.object({feedback_items: z.array(sessionAnalysisFeedbackItem), original_prompt: z.string(), suggested_prompt: z.string()});

export const sessionAnalysisTimelineEvent = z.object({description: z.string(), title: z.string()});

export const sessionAnalysisData = z.object({action_items: z.array(sessionAnalysisActionItem).optional(), issues: z.array(sessionAnalysisIssue).optional(), suggested_prompt: sessionAnalysisSuggestedPrompt.nullable(), timeline: z.array(sessionAnalysisTimelineEvent).optional()});

export const sessionDetailResponse = z.object({acus_consumed: z.number(), created_at: z.string(), initial_user_message: z.string().nullable(), org_id: z.string(), pull_requests: z.array(sessionPullRequest), session_analysis: sessionAnalysisData.nullable(), session_id: z.string(), status: z.enum(["new", "claimed", "running", "exit", "error", "suspended", "resuming"]), tags: z.array(z.string()), title: z.string().nullable().optional(), updated_at: z.string(), url: z.string(), user_id: z.string().nullable().optional()});

export const paginatedResponseSessionDetailResponse = z.object({has_more: z.boolean(), items: z.array(sessionDetailResponse), limit: z.number().int(), next_cursor: z.number().int().nullable().optional(), skip: z.number().int(), total: z.number().int()});

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
};

/**
 * List Sessions Detail
 * 
 * GET /v2/enterprise/sessions/insights
 */
export const getApiV2EnterpriseSessionsInsights = async (args: GetApiV2EnterpriseSessionsInsightsArgs, options: GetApiV2EnterpriseSessionsInsightsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.skip != null) query.append("skip", String(args.skip))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.created_date_from != null) query.append("created_date_from", String(args.created_date_from))
if (args.created_date_to != null) query.append("created_date_to", String(args.created_date_to))
if (args.updated_date_from != null) query.append("updated_date_from", String(args.updated_date_from))
if (args.updated_date_to != null) query.append("updated_date_to", String(args.updated_date_to))
for (const item of args.org_ids ?? []) query.append("org_ids", String(item))
for (const item of args.user_ids ?? []) query.append("user_ids", String(item))
for (const item of args.session_ids ?? []) query.append("session_ids", String(item))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/enterprise/sessions/insights${query.size > 0 ? `?${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(paginatedResponseSessionDetailResponse, await res.json())
};