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// Copyright 2025 Shota FUJI
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0

import Testing

@testable import RoonKit

@Suite("SOOD message decode tests")
struct SoodMessageDecodeTests {
	@Test func rejectsPngHeader() {
		let msg = "\u{89}PNG\r\n\u{1a}\n"

		#expect(throws: SoodDecodeError.signatureMismatch) {
			let _ = try Sood(from: msg.data(using: .utf8)!)
		}
	}

	@Test func rejectsNoSoodSignatureDelimiter() {
		let msg = "SOODR\u{2}foo"

		#expect(throws: SoodDecodeError.signatureMismatch) {
			let _ = try Sood(from: msg.data(using: .utf8)!)
		}
	}

	@Test func rejectsSoodMissingKind() {
		let msg = "SOOD\u{2}"

		#expect(throws: SoodDecodeError.missingMessageKind) {
			let _ = try Sood(from: msg.data(using: .utf8)!)
		}
	}

	@Test func acceptsUnknownSoodMessageKind() throws {
		let msg = try Sood(from: "SOOD\u{2}r".data(using: .utf8)!)

		#expect(msg.kind == .unknown("r"))
	}

	@Test func acceptsNonPrintableSoodMessageKind() throws {
		let msg = try Sood(from: "SOOD\u{2}\u{2}".data(using: .utf8)!)

		#expect(msg.kind == .unknown("\u{2}"))
	}

	@Test func acceptsSoodMessageWithoutProperties() throws {
		let msg = try Sood(from: "SOOD\u{2}Q".data(using: .utf8)!)

		#expect(msg.kind == .query)
		#expect(msg.properties.count == 0)
	}

	@Test func acceptsSoodMessageWithProperties() throws {
		let msg = try Sood(
			from: "SOOD\u{2}R\u{3}foo\u{0}\u{3}bar".data(using: .utf8)!
		)

		#expect(msg.kind == .response)
		#expect(msg.properties.count == 1)
		#expect(msg.properties["foo"] == .some("bar"))
	}
}

@Suite("SOOD encode tests")
struct SoodMessageEncodeTests {
	@Test func encodeAndDecode() throws {
		let original = Sood(kind: .response, properties: ["foo": "bar"])

		let decoded = try Sood(from: original.data())

		#expect(decoded.kind == .response)
		#expect(decoded.properties.count == 1)
		#expect(decoded.properties["foo"] == .some("bar"))
	}
}