// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include "common/common.h"
#include "common/string_util.h"

#include "core/hle/service/service.h"
#include "core/hle/service/ac_u.h"
#include "core/hle/service/act_u.h"
#include "core/hle/service/am_app.h"
#include "core/hle/service/am_net.h"
#include "core/hle/service/am_sys.h"
#include "core/hle/service/boss_p.h"
#include "core/hle/service/boss_u.h"
#include "core/hle/service/cam_u.h"
#include "core/hle/service/cecd_u.h"
#include "core/hle/service/cecd_s.h"
#include "core/hle/service/csnd_snd.h"
#include "core/hle/service/dsp_dsp.h"
#include "core/hle/service/err_f.h"
#include "core/hle/service/frd_a.h"
#include "core/hle/service/frd_u.h"
#include "core/hle/service/gsp_gpu.h"
#include "core/hle/service/gsp_lcd.h"
#include "core/hle/service/http_c.h"
#include "core/hle/service/ldr_ro.h"
#include "core/hle/service/mic_u.h"
#include "core/hle/service/ndm_u.h"
#include "core/hle/service/news_s.h"
#include "core/hle/service/news_u.h"
#include "core/hle/service/nim_aoc.h"
#include "core/hle/service/nim_u.h"
#include "core/hle/service/ns_s.h"
#include "core/hle/service/nwm_uds.h"
#include "core/hle/service/pm_app.h"
#include "core/hle/service/soc_u.h"
#include "core/hle/service/srv.h"
#include "core/hle/service/ssl_c.h"
#include "core/hle/service/y2r_u.h"

#include "core/hle/service/apt/apt.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/ir/ir.h"
#include "core/hle/service/ptm/ptm.h"

namespace Service {

std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports;
std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services;

/**
 * Creates a function string for logging, complete with the name (or header code, depending 
 * on what's passed in) the port name, and all the cmd_buff arguments.
 */
static std::string MakeFunctionString(const char* name, const char* port_name, const u32* cmd_buff) {
    // Number of params == bits 0-5 + bits 6-11
    int num_params = (cmd_buff[0] & 0x3F) + ((cmd_buff[0] >> 6) & 0x3F);

    std::string function_string = Common::StringFromFormat("function '%s': port=%s", name, port_name);
    for (int i = 1; i <= num_params; ++i) {
        function_string += Common::StringFromFormat(", cmd_buff[%i]=%u", i, cmd_buff[i]);
    }
    return function_string;
}

ResultVal<bool> Interface::SyncRequest() {
    u32* cmd_buff = Kernel::GetCommandBuffer();
    auto itr = m_functions.find(cmd_buff[0]);

    if (itr == m_functions.end() || itr->second.func == nullptr) {
        std::string function_name = (itr == m_functions.end()) ? Common::StringFromFormat("0x%08X", cmd_buff[0]) : itr->second.name;
        LOG_ERROR(Service, "unknown / unimplemented %s", MakeFunctionString(function_name.c_str(), GetPortName().c_str(), cmd_buff).c_str());

        // TODO(bunnei): Hack - ignore error
        cmd_buff[1] = 0;
        return MakeResult<bool>(false);
    } else {
        LOG_TRACE(Service, "%s", MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str());
    }

    itr->second.func(this);

    return MakeResult<bool>(false); // TODO: Implement return from actual function
}

void Interface::Register(const FunctionInfo* functions, size_t n) {
    m_functions.reserve(n);
    for (size_t i = 0; i < n; ++i) {
        // Usually this array is sorted by id already, so hint to instead at the end
        m_functions.emplace_hint(m_functions.cend(), functions[i].id, functions[i]);
    }
}

////////////////////////////////////////////////////////////////////////////////////////////////////
// Module interface

static void AddNamedPort(Interface* interface_) {
    g_kernel_named_ports.emplace(interface_->GetPortName(), interface_);
}

void AddService(Interface* interface_) {
    g_srv_services.emplace(interface_->GetPortName(), interface_);
}

/// Initialize ServiceManager
void Init() {
    AddNamedPort(new SRV::Interface);
    AddNamedPort(new ERR_F::Interface);

    Service::FS::ArchiveInit();
    Service::CFG::Init();
    Service::APT::Init();
    Service::PTM::Init();
    Service::HID::Init();
    Service::IR::Init();

    AddService(new AC_U::Interface);
    AddService(new ACT_U::Interface);
    AddService(new AM_APP::Interface);
    AddService(new AM_NET::Interface);
    AddService(new AM_SYS::Interface);
    AddService(new BOSS_P::Interface);
    AddService(new BOSS_U::Interface);
    AddService(new CAM_U::Interface);
    AddService(new CECD_S::Interface);
    AddService(new CECD_U::Interface);
    AddService(new CSND_SND::Interface);
    AddService(new DSP_DSP::Interface);
    AddService(new FRD_A::Interface);
    AddService(new FRD_U::Interface);
    AddService(new GSP_GPU::Interface);
    AddService(new GSP_LCD::Interface);
    AddService(new HTTP_C::Interface);
    AddService(new LDR_RO::Interface);
    AddService(new MIC_U::Interface);
    AddService(new NDM_U::Interface);
    AddService(new NEWS_S::Interface);
    AddService(new NEWS_U::Interface);
    AddService(new NIM_AOC::Interface);
    AddService(new NIM_U::Interface);
    AddService(new NS_S::Interface);
    AddService(new NWM_UDS::Interface);
    AddService(new PM_APP::Interface);
    AddService(new SOC_U::Interface);
    AddService(new SSL_C::Interface);
    AddService(new Y2R_U::Interface);

    LOG_DEBUG(Service, "initialized OK");
}

/// Shutdown ServiceManager
void Shutdown() {
    Service::IR::Shutdown();
    Service::HID::Shutdown();
    Service::PTM::Shutdown();
    Service::APT::Shutdown();
    Service::CFG::Shutdown();
    Service::FS::ArchiveShutdown();

    g_srv_services.clear();
    g_kernel_named_ports.clear();
    LOG_DEBUG(Service, "shutdown OK");
}


}
