#include "db_test_util.hpp"
#include "collection_registry.hpp"
using namespace svapi;

TEST(CollectionMeta, JsonRoundTrip) {
    CollectionMeta m{"docs", "vector", 1536, "text-embedding-3-small", 123};
    CollectionMeta r = CollectionMeta::fromJson(m.toJson());
    EXPECT_EQ(r.name, "docs"); EXPECT_EQ(r.kind, "vector");
    EXPECT_EQ(r.vectorDimension, 1536u); EXPECT_EQ(r.embeddingModel, "text-embedding-3-small");
}

TEST(CollectionRegistry, IsolatedPerProject) {
    SVAPI_REQUIRE_DB(db);
    const std::string pa = testutil::tmpName("rega"), pb = testutil::tmpName("regb");
    db->ensureProject(pa); db->ensureProject(pb);
    CollectionRegistry reg(*db);
    reg.ensure(pa); reg.ensure(pb);

    EXPECT_TRUE(reg.add(pa, {"users", "json", 0, "", 0}));
    EXPECT_TRUE(reg.get(pa, "users").has_value());
    EXPECT_FALSE(reg.get(pb, "users").has_value());      // isolation across projects
    EXPECT_EQ(reg.list(pa).size(), 1u);
    EXPECT_EQ(reg.list(pb).size(), 0u);
    EXPECT_TRUE(reg.remove(pa, "users"));
    EXPECT_FALSE(reg.get(pa, "users").has_value());

    db->dropProject(pa); db->dropProject(pb);
}

// Regression guard for issue #1: a freshly-constructed registry (as on a new
// server process) must surface previously-stored entries for every project once
// bootstrap() has re-opened them. The startup path warmed only the default
// project before the fix, so named projects' collections went missing on restart.
TEST(CollectionRegistry, BootstrapWarmsAllProjects) {
    SVAPI_REQUIRE_DB(db);
    const std::string pa = testutil::tmpName("bootA"), pb = testutil::tmpName("bootB");
    db->ensureProject(pa); db->ensureProject(pb);
    {
        CollectionRegistry seed(*db);
        seed.ensure(pa); seed.ensure(pb);
        EXPECT_TRUE(seed.add(pa, {"alpha", "json", 0, "", 0}));
        EXPECT_TRUE(seed.add(pb, {"beta", "vector", 8, "m", 0}));
    }
    CollectionRegistry fresh(*db);
    fresh.bootstrap({pa, pb});            // the startup warm-up that fixes issue #1
    EXPECT_EQ(fresh.list(pa).size(), 1u);
    EXPECT_EQ(fresh.list(pb).size(), 1u);
    EXPECT_TRUE(fresh.get(pa, "alpha").has_value());
    EXPECT_TRUE(fresh.get(pb, "beta").has_value());

    db->dropProject(pa); db->dropProject(pb);
}