#include <gtest/gtest.h>
#include "settings.hpp"
#include "apikey.hpp"
#include <cctype>
using namespace svapi;

TEST(Settings, DefaultsAndRoundTrip) {
    Settings s = Settings::fromJson(nlohmann::json::object());
    EXPECT_EQ(s.openaiApiBase, "https://api.openai.com");
    EXPECT_EQ(s.defaultEmbeddingModel, "text-embedding-3-small");
    EXPECT_EQ(s.sessionTtlMinutes, 720u);
    EXPECT_TRUE(s.webuiEnabled);
    EXPECT_EQ(s.defaultProject, "default");
    EXPECT_EQ(Settings::fromJson(s.toJson()).toJson(), s.toJson());
}

TEST(Settings, EmbeddingTimeoutDefaults) {
    Settings s = Settings::fromJson(nlohmann::json::object());
    EXPECT_EQ(s.embeddingConnectTimeoutSec, 10u);
    EXPECT_EQ(s.embeddingReadTimeoutSec, 60u);
}

TEST(Settings, EmbeddingTimeoutRoundTrip) {
    nlohmann::json j{{"embedding_connect_timeout_sec", 30}, {"embedding_read_timeout_sec", 120}};
    Settings s = Settings::fromJson(j);
    EXPECT_EQ(s.embeddingConnectTimeoutSec, 30u);
    EXPECT_EQ(s.embeddingReadTimeoutSec, 120u);
    // round-trip: toJson → fromJson preserves values
    Settings s2 = Settings::fromJson(s.toJson());
    EXPECT_EQ(s2.embeddingConnectTimeoutSec, 30u);
    EXPECT_EQ(s2.embeddingReadTimeoutSec, 120u);
}

TEST(ApiKey, JsonRoundTripAndPublicMasks) {
    ApiKey k = ApiKey::fromJson(nlohmann::json::parse(
        R"({"key":"abcdef0123456789","label":"n8n","projects":["p1","p2"],"admin":false,"created_at":7})"));
    EXPECT_EQ(k.key, "abcdef0123456789");
    EXPECT_EQ(k.projects.size(), 2u);
    EXPECT_FALSE(k.admin);
    EXPECT_EQ(k.createdAt, 7u);
    EXPECT_EQ(ApiKey::fromJson(k.toJson()).toJson(), k.toJson());
    auto pub = k.toPublicJson();
    EXPECT_FALSE(pub.contains("key"));           // secret not exposed
    EXPECT_EQ(pub["label"], "n8n");
    EXPECT_EQ(pub["projects"].size(), 2u);
    EXPECT_TRUE(pub.contains("key_prefix"));      // short hint only
}

TEST(ApiKey, CanAccess) {
    ApiKey adminK; adminK.admin = true;
    EXPECT_TRUE(adminK.canAccess("anything"));

    ApiKey star; star.projects = {"*"};
    EXPECT_TRUE(star.canAccess("anything"));

    ApiKey scoped; scoped.projects = {"p1", "p2"};
    EXPECT_TRUE(scoped.canAccess("p1"));
    EXPECT_FALSE(scoped.canAccess("p3"));
}

TEST(ApiKey, GenerateIsHexAndUnique) {
    std::string a = generateApiKey(), b = generateApiKey();
    EXPECT_GE(a.size(), 32u);
    EXPECT_NE(a, b);
    for (char c : a) EXPECT_TRUE(std::isxdigit(static_cast<unsigned char>(c)));
}