import {z} from 'zod'

export type SimulationRunStatus = 'pending' | 'running' | 'completed' | 'failed' | 'cancelled' | 'budget_exceeded';

export type ScenarioChannel = 'text' | 'voice';

export type GetApiV1SimulationRunsArgs = {status?: (SimulationRunStatus | null) | undefined, agent_id?: (string | null) | undefined, channel?: (ScenarioChannel | null) | undefined, q?: (string | null) | undefined, limit?: number | undefined, cursor?: (string | null) | undefined};

export type GetApiV1SimulationRunsOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const scenarioChannel = z.enum(["text", "voice"]);

export const simulationRunResponse = z.object({id: z.string(), session_id: z.string(), organization_id: z.string(), agent_id: z.string(), agent_revision_id: z.string().nullable(), persona_id: z.string(), scenario_id: z.string(), suite_id: z.string().nullable().optional(), suite_run_id: z.string().nullable().optional(), suite_item_id: z.string().nullable().optional(), suite_attempt: z.number().int().optional(), channel: scenarioChannel, tool_overrides: z.record(z.string(), z.unknown()).nullable(), sut_snapshot_sha256: z.string().nullable().optional(), status: z.string(), idempotency_key: z.string().nullable().optional(), budget_usd: z.string().nullable().optional(), spent_usd: z.string().nullable().optional(), started_at: z.string().nullable(), finished_at: z.string().nullable(), error_text: z.string().nullable(), stop_reason: z.string().nullable().optional(), persona_turn_count: z.number().int().optional(), agent_turn_count: z.number().int().optional(), transcript_chars: z.number().int().optional(), heartbeat_at: z.string().nullable().optional(), inputs_snapshot: z.record(z.string(), z.unknown()), created_at: z.string(), recording_id: z.string().nullable().optional(), recording_status: z.string().nullable().optional()});

export const cursorPageSimulationRunResponse = z.object({items: z.array(simulationRunResponse), next_cursor: z.string().nullable().optional(), has_more: z.boolean()});

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 simulation runs
 * 
 * GET /v1/simulation/runs
 */
export const getApiV1SimulationRuns = async (args: GetApiV1SimulationRunsArgs, options: GetApiV1SimulationRunsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.status != null) query.append("status", String(args.status))
if (args.agent_id != null) query.append("agent_id", String(args.agent_id))
if (args.channel != null) query.append("channel", String(args.channel))
if (args.q != null) query.append("q", String(args.q))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

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