import {z} from 'zod'

export type CompactRequest = {previous_response_id: string};

export type CreateApiV1ResponsesCompactArgs = {body: CompactRequest};

export type CreateApiV1ResponsesCompactOptions = {baseUrl?: string | undefined, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const contentItem = z.object({type: z.string().optional(), text: z.string(), annotations: z.array(z.record(z.string(), z.unknown())).optional()});

export const inputTextContentPart = z.object({type: z.literal("input_text"), text: z.string()});

export const imageDetail = z.enum(["low", "high", "auto"]);

export const inputImageContentPart = z.object({type: z.literal("input_image"), image_url: z.string().nullable().optional(), file_id: z.string().nullable().optional(), detail: imageDetail.optional()});

export const inputItemMessage = z.object({type: z.literal("message"), id: z.string().nullable().optional(), status: z.enum(["in_progress", "completed", "incomplete"]).nullable().optional(), role: z.string().nullable().optional(), content: z.union([z.string(), z.array(z.string()), z.array(contentItem), z.array(z.discriminatedUnion("type", [inputTextContentPart, inputImageContentPart]))]).nullable().optional()});

export const reasoningSummaryItem = z.object({type: z.literal("summary_text"), text: z.string()});

export const inputItemReasoning = z.object({type: z.literal("reasoning"), id: z.string(), status: z.enum(["in_progress", "completed", "incomplete"]).nullable().optional(), role: z.string().nullable().optional(), content: z.union([z.string(), z.array(z.string()), z.array(contentItem), z.array(z.discriminatedUnion("type", [inputTextContentPart, inputImageContentPart]))]).nullable().optional(), summary: z.array(reasoningSummaryItem).optional()});

export const inputItemFunctionCall = z.object({type: z.literal("function_call"), id: z.string(), call_id: z.string(), status: z.enum(["in_progress", "completed", "incomplete"]).nullable().optional(), name: z.string().nullable().optional(), arguments: z.string().nullable().optional()});

export const inputItemFunctionCallOutput = z.object({type: z.literal("function_call_output"), call_id: z.string(), id: z.string().nullable().optional(), status: z.enum(["in_progress", "completed", "incomplete"]).nullable().optional(), output: z.string().nullable().optional()});

export const inputItemShellCall = z.object({type: z.literal("shell_call"), id: z.string(), call_id: z.string(), status: z.enum(["in_progress", "completed", "incomplete"]).nullable().optional(), name: z.string().nullable().optional(), arguments: z.string().nullable().optional()});

export const inputItemShellCallOutput = z.object({type: z.literal("shell_call_output"), call_id: z.string(), id: z.string().nullable().optional(), status: z.enum(["in_progress", "completed", "incomplete"]).nullable().optional(), output: z.string().nullable().optional()});

export const inputItemMcpApprovalRequest = z.object({type: z.literal("mcp_approval_request"), id: z.string(), name: z.string().nullable().optional(), server_label: z.string().nullable().optional(), arguments: z.string().nullable().optional()});

export const inputItemMcpApprovalResponses = z.object({type: z.literal("mcp_approval_response"), id: z.string(), approval_request_id: z.string(), approve: z.boolean(), reason: z.string().nullable().optional(), name: z.string().nullable().optional(), arguments: z.string().nullable().optional()});

export const inputItemMcpListTools = z.object({type: z.literal("mcp_list_tools"), id: z.string(), server_label: z.string().nullable().optional(), tools: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown())]).nullable().optional(), error: z.string().nullable().optional()});

export const mcpToolExecutionError = z.object({type: z.literal("mcp_tool_execution_error").optional(), content: z.string()});

export const inputItemMcpCall = z.object({type: z.literal("mcp_call"), id: z.string(), name: z.string(), arguments: z.string().nullable().optional(), server_label: z.string().nullable().optional(), output: z.string().nullable().optional(), error: mcpToolExecutionError.nullable().optional()});

export const inputItemFileSearchCall = z.object({type: z.literal("file_search_call"), id: z.string().optional(), status: z.enum(["in_progress", "searching", "completed", "incomplete", "failed"]), queries: z.array(z.string()).optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional()});

export const inputItemWebSearchCall = z.object({type: z.literal("web_search_call"), id: z.string().optional(), status: z.enum(["in_progress", "searching", "completed", "failed"]), action: z.record(z.string(), z.unknown()).nullable().optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional()});

export const inputItemCompaction = z.object({type: z.literal("compaction"), id: z.string().nullable().optional(), encrypted_content: z.string().max(10485760)});

export const usageInfo = z.object({input_tokens: z.number().int(), output_tokens: z.number().int(), total_tokens: z.number().int()});

export const compactedResponse = z.object({id: z.string(), created_at: z.number().int(), object: z.literal("response.compaction").optional(), output: z.array(z.discriminatedUnion("type", [inputItemMessage, inputItemReasoning, inputItemFunctionCall, inputItemFunctionCallOutput, inputItemShellCall, inputItemShellCallOutput, inputItemMcpApprovalRequest, inputItemMcpApprovalResponses, inputItemMcpListTools, inputItemMcpCall, inputItemFileSearchCall, inputItemWebSearchCall, inputItemCompaction])), usage: usageInfo});

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
};

/**
 * Post Compact Endpoint
 * 
 * POST /v1/responses/compact
 */
export const createApiV1ResponsesCompact = async (args: CreateApiV1ResponsesCompactArgs, options?: CreateApiV1ResponsesCompactOptions) => {
const {baseUrl = "https://api.pharia.example.com", fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/responses/compact${query.size > 0 ? `?${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(compactedResponse, await res.json())
};