import {z} from 'zod'

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

export type CannedToolResponse = {output: unknown, error?: (string | null) | undefined, delay_ms?: number | undefined};

export type SimulationSuiteRunDispatch = {agent_id: string, agent_revision_id?: (string | null) | undefined, channel?: ScenarioChannel | undefined, tool_overrides?: ({[key: string]: CannedToolResponse} | null) | undefined, budget_usd?: (number | string | null) | undefined, idempotency_key?: (string | null) | undefined};

export type CreateApiV1SimSuitesSuiteIdRunsArgs = {suite_id: string, body: SimulationSuiteRunDispatch};

export type CreateApiV1SimSuitesSuiteIdRunsOptions = {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 releaseVerdictSummary = z.object({total_scenarios: z.number().int().optional(), passed_scenarios: z.number().int().optional(), failed_scenarios: z.number().int().optional(), lifecycle_failed_scenarios: z.number().int().optional(), pending_scenarios: z.number().int().optional(), critical_failures: z.number().int().optional()});

export const releaseVerdictEvaluator = z.object({evaluator_id: z.string(), name: z.string().nullable().optional(), is_critical: z.boolean().optional(), severity: z.string().nullable().optional(), status: z.string(), score: z.number().nullable().optional(), threshold: z.number().nullable().optional(), reason: z.string().nullable().optional()});

export const releaseVerdictScenario = z.object({simulation_run_id: z.string(), session_id: z.string(), scenario_id: z.string(), persona_id: z.string(), suite_item_id: z.string().nullable().optional(), suite_attempt: z.number().int().optional(), sut_snapshot_sha256: z.string().nullable().optional(), status: z.string(), session_eval_status: z.string(), simulation_status: z.string().nullable().optional(), simulation_stop_reason: z.string().nullable().optional(), failure_source: z.string().nullable().optional(), critical_total: z.number().int().optional(), critical_succeeded: z.number().int().optional(), critical_failed: z.number().int().optional(), critical_pending: z.number().int().optional(), evaluators: z.array(releaseVerdictEvaluator).optional()});

export const releaseVerdict = z.object({schema_version: z.number().int().optional(), status: z.string(), agent_id: z.string(), agent_revision_id: z.string().nullable().optional(), suite_id: z.string(), suite_run_id: z.string(), max_failures: z.number().int().optional(), summary: releaseVerdictSummary, scenarios: z.array(releaseVerdictScenario).optional()});

export const simulationSuiteRunResponse = z.object({id: z.string(), organization_id: z.string(), suite_id: z.string(), agent_id: z.string(), agent_revision_id: z.string().nullable(), idempotency_key: z.string().nullable().optional(), created_by: z.string().nullable(), created_at: z.string(), status: z.string(), runs: z.array(simulationRunResponse).optional(), release_eval_status: z.string().nullable().optional(), release_eval_verdict: releaseVerdict.nullable().optional(), release_eval_completed_at: z.string().nullable().optional(), release_eval_error: z.string().nullable().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
};

/**
 * Dispatch a simulation suite run (fan-out per item)
 * 
 * POST /v1/sim-suites/{suite_id}/runs
 */
export const createApiV1SimSuitesSuiteIdRuns = async (args: CreateApiV1SimSuitesSuiteIdRunsArgs, options: CreateApiV1SimSuitesSuiteIdRunsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/sim-suites/${encodeURIComponent(String(args.suite_id))}/runs${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(simulationSuiteRunResponse, await res.json())
};