import Foundationimport Testing@testable import CodexBarCore @Suitestruct CodexOAuthTests {    @Test    func parsesOAuthCredentials() throws {        let json = """        {          "OPENAI_API_KEY": null,          "tokens": {            "access_token": "access-token",            "refresh_token": "refresh-token",            "id_token": "id-token",            "account_id": "account-123"          },          "last_refresh": "2025-12-20T12:34:56Z"        }        """        let creds = try CodexOAuthCredentialsStore.parse(data: Data(json.utf8))        #expect(creds.accessToken == "access-token")        #expect(creds.refreshToken == "refresh-token")        #expect(creds.idToken == "id-token")        #expect(creds.accountId == "account-123")        #expect(creds.lastRefresh != nil)    }     @Test    func parsesAPIKeyCredentials() throws {        let json = """        {          "OPENAI_API_KEY": "sk-test"        }        """        let creds = try CodexOAuthCredentialsStore.parse(data: Data(json.utf8))        #expect(creds.accessToken == "sk-test")        #expect(creds.refreshToken.isEmpty)        #expect(creds.idToken == nil)        #expect(creds.accountId == nil)    }     @Test    func decodesCreditsBalanceString() throws {        let json = """        {          "plan_type": "pro",          "rate_limit": {            "primary_window": {              "used_percent": 12,              "reset_at": 1766948068,              "limit_window_seconds": 18000            }          },          "credits": {            "has_credits": false,            "unlimited": false,            "balance": "0"          }        }        """        let response = try CodexOAuthUsageFetcher._decodeUsageResponseForTesting(Data(json.utf8))        #expect(response.planType?.rawValue == "pro")        #expect(response.credits?.balance == 0)        #expect(response.credits?.hasCredits == false)        #expect(response.credits?.unlimited == false)    }     @Test    func mapsUsageWindowsFromOAuth() throws {        let json = """        {          "rate_limit": {            "primary_window": {              "used_percent": 22,              "reset_at": 1766948068,              "limit_window_seconds": 18000            },            "secondary_window": {              "used_percent": 43,              "reset_at": 1767407914,              "limit_window_seconds": 604800            }          }        }        """        let creds = CodexOAuthCredentials(            accessToken: "access",            refreshToken: "refresh",            idToken: nil,            accountId: nil,            lastRefresh: Date())        let snapshot = try CodexOAuthFetchStrategy._mapUsageForTesting(Data(json.utf8), credentials: creds)        #expect(snapshot.primary?.usedPercent == 22)        #expect(snapshot.primary?.windowMinutes == 300)        #expect(snapshot.secondary?.usedPercent == 43)        #expect(snapshot.secondary?.windowMinutes == 10080)        #expect(snapshot.primary?.resetsAt != nil)        #expect(snapshot.secondary?.resetsAt != nil)    }     @Test    func resolvesChatGPTUsageURLFromConfig() {        let config = "chatgpt_base_url = \"https://chatgpt.com/backend-api/\"\n"        let url = CodexOAuthUsageFetcher._resolveUsageURLForTesting(configContents: config)        #expect(url.absoluteString == "https://chatgpt.com/backend-api/wham/usage")    }     @Test    func resolvesCodexUsageURLFromConfig() {        let config = "chatgpt_base_url = \"https://api.openai.com\"\n"        let url = CodexOAuthUsageFetcher._resolveUsageURLForTesting(configContents: config)        #expect(url.absoluteString == "https://api.openai.com/api/codex/usage")    }     @Test    func normalizesChatGPTBaseURLWithoutBackendAPI() {        let config = "chatgpt_base_url = \"https://chat.openai.com\"\n"        let url = CodexOAuthUsageFetcher._resolveUsageURLForTesting(configContents: config)        #expect(url.absoluteString == "https://chat.openai.com/backend-api/wham/usage")    }}