import { z } from 'zod';

import { Z } from '../zod-class';

// `concurrency` is the optional number of evaluation test cases to run in
// parallel for a single test run. Clamped 1–10 here as a hard upper bound;
// the backend further clamps this against the effective evaluation
// concurrency limit (env override or license-tier default). Omitting the
// field is equivalent to sending `1` — sequential execution, the legacy
// behaviour.
const startTestRunPayloadShape = {
	concurrency: z.number().int().min(1).max(10).optional(),
	// When provided, the runner loads this config and (if
	// `compileFromConfig` is also true) compiles the workflow via
	// WorkflowCompilerService — injecting the EvaluationTrigger + Set Metrics
	// nodes from the config instead of requiring them to be present on the
	// saved workflow. Without `compileFromConfig` the id is recorded on the
	// run row for traceability but the saved workflow JSON runs as-is.
	evaluationConfigId: z.string().min(1).optional(),
	compileFromConfig: z.boolean().optional(),
	// When provided, only the dataset rows at these 0-based indices are run.
	// Each TestCaseExecution.runIndex will equal the original dataset index so
	// the frontend can map results back correctly. Omitting or passing an
	// empty array runs all rows (unchanged behaviour).
	rowIndices: z.array(z.number().int().min(0)).optional(),
};

export const startTestRunPayloadSchema = z.object(startTestRunPayloadShape);
export type StartTestRunPayload = z.infer<typeof startTestRunPayloadSchema>;

// Controller-side DTO used by the @Body decorator's reflection-based
// validation. Shares the same shape as `startTestRunPayloadSchema` —
// single source of truth so the two validators cannot silently diverge.
export class StartTestRunRequestDto extends Z.class(startTestRunPayloadShape) {}