#include <iostream>
#include <string>
#include "mcp/KomMcpServer.hpp"
#include "mcp/RegisterTools.hpp"

namespace {

bool expect_contains(const std::string& haystack, const std::string& needle, const std::string& context) {
    if (haystack.find(needle) == std::string::npos) {
        std::cerr << "Expected response to contain '" << needle << "' but got:\n"
                  << haystack << "\nContext: " << context << "\n";
        return false;
    }
    return true;
}

} // namespace

int main() {
    KomMcpServer server;
    register_default_tools(server);

const std::string upsertReq = R"({"namespace":"tests","items":[{"text":"hello world","tags":["greeting"],"embedding":[0.1,0.2,0.3]},{"text":"hola mundo","embedding":[0.05,0.1,0.15]}]})";
std::string upsertResp = server.dispatch("kom.memory.v1.upsert_memory", upsertReq);
if (!expect_contains(upsertResp, "\"upserted\":2", "upsert_memory count")) return 1;
if (!expect_contains(upsertResp, "\"status\":\"ok\"", "upsert_memory status")) return 1;

const std::string saveReq = R"({"namespace":"tests","key":"greeting","content":{"text":"remember this","confidence":0.98},"tags":["context","demo"]})";
std::string saveResp = server.dispatch("kom.memory.v1.save_context", saveReq);
if (!expect_contains(saveResp, "\"id\"", "save_context id")) return 1;
if (!expect_contains(saveResp, "\"created_at\"", "save_context timestamp")) return 1;

const std::string recallReq = R"({"namespace":"tests","key":"greeting","limit":2})";
std::string recallResp = server.dispatch("kom.memory.v1.recall_context", recallReq);
if (!expect_contains(recallResp, "\"items\"", "recall_context items")) return 1;
if (!expect_contains(recallResp, "\"confidence\":0.98", "recall_context returns payload")) return 1;

std::string firstId;
const std::string idsAnchor = "\"ids\":[\"";
    auto idsPos = upsertResp.find(idsAnchor);
    if (idsPos != std::string::npos) {
        idsPos += idsAnchor.size();
        auto endPos = upsertResp.find("\"", idsPos);
        if (endPos != std::string::npos) {
            firstId = upsertResp.substr(idsPos, endPos - idsPos);
        }
    }
    if (firstId.empty()) {
        std::cerr << "Failed to extract first item id from upsert response: " << upsertResp << "\n";
        return 1;
    }

    const std::string searchReq = R"({"namespace":"tests","query":{"text":"hello","k":3}})";
    std::string searchResp = server.dispatch("kom.memory.v1.search_memory", searchReq);
    if (!expect_contains(searchResp, "\"matches\"", "search_memory matches key")) return 1;
    if (!expect_contains(searchResp, "\"text\":\"hello world\"", "search_memory returns stored text")) return 1;

    const std::string vectorReq = R"({"namespace":"tests","query":{"embedding":[0.1,0.2,0.3],"k":1}})";
    std::string vectorResp = server.dispatch("kom.memory.v1.search_memory", vectorReq);
    if (!expect_contains(vectorResp, "\"id\":\""+firstId+"\"", "vector search returns stored id")) return 1;

    const std::string snapshotResp = server.dispatch("kom.meta.v1.project_snapshot", "{}");
    if (!expect_contains(snapshotResp, "\"sections\"", "snapshot sections key")) return 1;

    const std::string exportReq = R"({"namespace":"tests","destination":"/tmp/example.enc"})";
    std::string exportResp = server.dispatch("kom.local.v1.backup.export_encrypted", exportReq);
    if (!expect_contains(exportResp, "\"status\":\"queued\"", "export status")) return 1;
    if (!expect_contains(exportResp, "\"artifact\"", "export artifact path")) return 1;

    const std::string importReq = R"({"namespace":"tests","source":"/tmp/example.enc"})";
    std::string importResp = server.dispatch("kom.local.v1.backup.import_encrypted", importReq);
    if (!expect_contains(importResp, "\"status\":\"ok\"", "import status")) return 1;

    return 0;
}