/**
 * @license
 * Copyright 2022-2026 Matter.js Authors
 * SPDX-License-Identifier: Apache-2.0
 */
import { InternalError } from "#general";
import { Metatype } from "#model";
import { ConstraintError } from "#protocol";
import { NameResolver } from "../managed/NameResolver.js";
import { assertArray, assertBoolean, assertNumeric, assertSequence, assertString } from "./assertions.js";
function createConstraintValidator(constraint, schema, supervisor) {
  let nameResolvers;
  const nameResolverFactory = (location) => {
    return (name) => {
      if (nameResolvers === void 0) {
        nameResolvers = {};
      }
      if (name in nameResolvers) {
        return nameResolvers[name]?.(location.siblings);
      }
      const resolver = NameResolver(supervisor, schema.parent, name);
      nameResolvers[name] = resolver;
      return resolver?.(location.siblings);
    };
  };
  return create(constraint, schema, nameResolverFactory);
}
function create(constraint, schema, nameResolverFactory) {
  if (constraint.isEmpty) {
    return;
  }
  const metatype = schema.effectiveMetatype;
  if (metatype === Metatype.array) {
    return createArrayConstraintValidator(constraint, schema, nameResolverFactory);
  }
  if (constraint.in) {
    return (value, _session, location) => {
      if (!constraint.test(value, nameResolverFactory(location))) {
        throw new ConstraintError(
          schema,
          location,
          `Value ${value} is not one of the values allowed by "in" constraint`
        );
      }
    };
  }
  switch (schema.effectiveMetatype) {
    case Metatype.integer:
    case Metatype.float:
      return (value, _session, location) => {
        assertNumeric(value, location);
        if (!constraint.test(value, nameResolverFactory(location))) {
          throw new ConstraintError(
            schema,
            location,
            `Value ${value} is not within bounds defined by constraint`
          );
        }
      };
    case Metatype.boolean:
      return (value, _session, location) => {
        assertBoolean(value, location);
        if (!constraint.test(value, nameResolverFactory(location))) {
          throw new ConstraintError(schema, location, `Value ${value} is disallowed by constraint`);
        }
      };
    case Metatype.string: {
      const validateLength = (value, _session, location) => {
        assertSequence(value, location);
        const length = typeof value === "string" ? value.length : value.byteLength;
        if (!constraint.test(length, nameResolverFactory(location))) {
          throw new ConstraintError(
            schema,
            location,
            `String length of ${length} is not within bounds defined by constraint`
          );
        }
      };
      const { cpMax } = constraint;
      if (cpMax === void 0) {
        return validateLength;
      }
      return (value, _session, location) => {
        validateLength(value, _session, location);
        assertString(value, location);
        const codepointCount = [...value].length;
        if (codepointCount > cpMax) {
          throw new ConstraintError(
            schema,
            location,
            `Codepoint count of ${codepointCount} is not within bounds defined by constraint`
          );
        }
      };
    }
    case Metatype.bytes:
      return (value, _session, location) => {
        assertSequence(value, location);
        const length = typeof value === "string" ? value.length : value.byteLength;
        if (!constraint.test(length, nameResolverFactory(location))) {
          throw new ConstraintError(
            schema,
            location,
            `Byte length of ${length} is not within bounds defined by constraint`
          );
        }
      };
    default:
      throw new InternalError(`Cannot define constraint for unsupported metatype ${schema.effectiveMetatype}`);
  }
}
function createArrayConstraintValidator(constraint, schema, nameResolver) {
  let validateEntryConstraint;
  if (constraint.entry) {
    const entrySchema = schema.listEntry;
    if (entrySchema) {
      validateEntryConstraint = create(constraint.entry, entrySchema, nameResolver);
    }
  }
  return (value, session, location) => {
    assertArray(value, location);
    if (!constraint.test(value.length, nameResolver(location))) {
      throw new ConstraintError(
        schema,
        location,
        `Array length ${value.length} is not within bounds defined by constraint`
      );
    }
    if (validateEntryConstraint) {
      const sublocation = {
        ...location,
        path: location.path.at("")
      };
      let pos = 0;
      for (const e of value) {
        if (e === void 0 || e === null) {
          continue;
        }
        sublocation.path.id = pos;
        validateEntryConstraint(e, session, sublocation);
        pos++;
      }
    }
  };
}
export {
  createConstraintValidator
};
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