import Testing

@testable import Persistence

@Suite(
    "AccountRepository repository",
    .tags(.repository)
)
struct AccountRepositoryTests {

    // MARK: Methods tests

    @Test
    func `finds the seeded demo buyer`() async throws {
        try await withDatabase { fluent in
            let user = try await AccountRepository(fluent: fluent).account(email: AccountRepository.demoEmail)

            #expect(user.email == "mara.v@example.com")
            #expect(user.displayName == "Mara Visser")
        }
    }

    @Test
    func `joins an unknown email once, named after its local part`() async throws {
        try await withDatabase { fluent in
            let repository = AccountRepository(fluent: fluent)
            let joined = try await repository.account(email: "sam@example.com")
            let returning = try await repository.account(email: "sam@example.com")

            #expect(joined.displayName == "sam")
            #expect(returning == joined)
        }
    }

}

// MARK: - Passkeys

extension AccountRepositoryTests {

    @Test
    func `joins an account together with its first passkey`() async throws {
        try await withDatabase { fluent in
            let accounts = AccountRepository(fluent: fluent)
            let free = try await accounts.isUnregistered(credentialID: "cred-1")
            let sam = try #require(try await accounts.join(email: "sam@example.com", credentialID: "cred-1", publicKey: [1, 2, 3], signCount: 0))
            let passkey = try await accounts.passkey(credentialID: "cred-1")
            let byEmail = try await accounts.passkeys(email: "sam@example.com")
            let taken = try await accounts.isUnregistered(credentialID: "cred-1")

            #expect(free)
            #expect(!taken)
            #expect(sam.displayName == "sam")
            #expect(passkey == Passkey(credentialID: "cred-1", publicKey: [1, 2, 3], signCount: 0, user: sam))
            #expect(byEmail == [passkey])
        }
    }

    @Test
    func `never adds a passkey to an account that already exists`() async throws {
        try await withDatabase { fluent in
            let accounts = AccountRepository(fluent: fluent)
            let hijack = try await accounts.join(email: AccountRepository.demoEmail, credentialID: "cred-x", publicKey: [9], signCount: 0)
            let passkeys = try await accounts.passkeys(email: AccountRepository.demoEmail)
            let stillFree = try await accounts.isUnregistered(credentialID: "cred-x")

            #expect(hijack == nil)
            #expect(passkeys.isEmpty)
            #expect(stillFree)
        }
    }

    @Test
    func `records a passkey's signature counter, and finds accounts without creating them`() async throws {
        try await withDatabase { fluent in
            let accounts = AccountRepository(fluent: fluent)

            _ = try await accounts.join(email: "sam@example.com", credentialID: "cred-1", publicKey: [1], signCount: 0)
            try await accounts.recordUse(ofPasskey: "cred-1", signCount: 7)

            let passkey = try await accounts.passkey(credentialID: "cred-1")
            let known = try await accounts.existingAccount(email: "sam@example.com")
            let unknown = try await accounts.existingAccount(email: "nobody@example.com")
            let stillUnknown = try await accounts.existingAccount(email: "nobody@example.com")

            #expect(passkey?.signCount == 7)
            #expect(known?.email == "sam@example.com")
            #expect(unknown == nil)
            #expect(stillUnknown == nil)
        }
    }

}