import {z} from 'zod'

export type GetApiApiLogsArgs = {providers?: string | undefined, models?: string | undefined, status?: string | undefined, objects?: string | undefined, start_time?: string | undefined, end_time?: string | undefined, min_latency?: number | undefined, max_latency?: number | undefined, min_tokens?: number | undefined, max_tokens?: number | undefined, content_search?: string | undefined, limit?: number | undefined, offset?: number | undefined};

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

export const modelProvider = z.enum(["openai", "anthropic", "azure", "bedrock", "cohere", "vertex", "mistral", "ollama", "groq", "sgl"]);

export const logEntry = z.object({id: z.string(), timestamp: z.string(), level: z.enum(["debug", "info", "warn", "error"]), message: z.string(), provider: modelProvider.optional(), model: z.string().optional(), status: z.enum(["success", "error"]).optional(), latency: z.number().optional(), tokens: z.number().int().optional(), object: z.enum(["chat.completion", "text.completion"]).optional()});

export const logSearchResponse = z.object({logs: z.array(logEntry), total: z.number().int(), limit: z.number().int(), offset: 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
};

/**
 * Get Application Logs
 * 
 * GET /api/logs
 */
export const getApiApiLogs = async (args: GetApiApiLogsArgs, options?: GetApiApiLogsOptions) => {
const {baseUrl = "http://localhost:8080", fetch: fetchFn = fetch} = options ?? {}

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

if (args.providers != null) query.append("providers", String(args.providers))
if (args.models != null) query.append("models", String(args.models))
if (args.status != null) query.append("status", String(args.status))
if (args.objects != null) query.append("objects", String(args.objects))
if (args.start_time != null) query.append("start_time", String(args.start_time))
if (args.end_time != null) query.append("end_time", String(args.end_time))
if (args.min_latency != null) query.append("min_latency", String(args.min_latency))
if (args.max_latency != null) query.append("max_latency", String(args.max_latency))
if (args.min_tokens != null) query.append("min_tokens", String(args.min_tokens))
if (args.max_tokens != null) query.append("max_tokens", String(args.max_tokens))
if (args.content_search != null) query.append("content_search", String(args.content_search))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))

const url = `${baseUrl.replace(/\/+$/, '')}/api/logs${query.size > 0 ? `?${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(logSearchResponse, await res.json())
};