import CodexBarCore
import Testing

@Suite
struct ProviderConfigEnvironmentTests {
    @Test
    func appliesAPIKeyOverrideForZai() {
        let config = ProviderConfig(id: .zai, apiKey: "z-token")
        let env = ProviderConfigEnvironment.applyAPIKeyOverride(
            base: [:],
            provider: .zai,
            config: config)

        #expect(env[ZaiSettingsReader.apiTokenKey] == "z-token")
    }

    @Test
    func leavesEnvironmentWhenAPIKeyMissing() {
        let config = ProviderConfig(id: .zai, apiKey: nil)
        let env = ProviderConfigEnvironment.applyAPIKeyOverride(
            base: [ZaiSettingsReader.apiTokenKey: "existing"],
            provider: .zai,
            config: config)

        #expect(env[ZaiSettingsReader.apiTokenKey] == "existing")
    }
}