import { Effect } from "effect"

import { HttpApiMiddleware } from "effect/unstable/httpapi"

import { InvalidRequestError } from "@opencode-ai/protocol/errors"

import { SchemaErrorMiddleware } from "@opencode-ai/protocol/middleware/schema-error"

export { SchemaErrorMiddleware } from "@opencode-ai/protocol/middleware/schema-error"

const REASON_LIMIT = 1024

function truncateReason(reason: string) {

if (reason.length <= REASON_LIMIT) return reason

return reason.slice(0, REASON_LIMIT) + `... (${reason.length - REASON_LIMIT} more chars)`

}

export const schemaErrorLayer = HttpApiMiddleware.layerSchemaErrorTransform(SchemaErrorMiddleware, (error) => {

const reason = truncateReason(error.cause.message)

return Effect.logWarning("schema rejection").pipe(

Effect.annotateLogs({ kind: error.kind, reason }),

Effect.andThen(Effect.fail(new InvalidRequestError({ message: reason, kind: error.kind }))),

)

})