import XCTest
@testable import SharedCore

final class WorkoutValidationTests: XCTestCase {
    func testValidateSupersetsRejectsEmptyPayload() {
        let issues = WorkoutValidation.validateSupersets([])
        XCTAssertEqual(issues.first?.code, "empty_supersets")
    }

    func testValidateSupersetsRejectsInvalidRoundsAndExercisePayload() {
        let supersets: [[String: Any]] = [
            [
                "rounds": 0,
                "exercises": [
                    ["reps": 0, "duration": 0]
                ]
            ]
        ]

        let issues = WorkoutValidation.validateSupersets(supersets)
        XCTAssertTrue(issues.contains(where: { $0.code == "invalid_rounds" }))
        XCTAssertTrue(issues.contains(where: { $0.code == "invalid_exercise_payload" }))
    }

    func testValidateSupersetsAcceptsValidPayload() {
        let supersets: [[String: Any]] = [
            [
                "rounds": 3,
                "exercises": [
                    ["reps": 12, "duration": 0],
                    ["reps": 0, "duration": 30]
                ]
            ]
        ]

        let issues = WorkoutValidation.validateSupersets(supersets)
        XCTAssertTrue(issues.isEmpty)
    }
}