#include "DebugState.hpp"
#include <ai/PlayerController.hpp>
#include <data/WeaponData.hpp>
#include <engine/GameState.hpp>
#include <glm/gtc/quaternion.hpp>
#include <glm/gtx/string_cast.hpp>
#include <objects/CharacterObject.hpp>
#include <objects/InstanceObject.hpp>
#include <objects/VehicleObject.hpp>
#include <sstream>
#include "RWGame.hpp"

constexpr float kDebugEntryHeight = 14.f;
constexpr int kDebugFont = 2;
const glm::vec2 kDebugMenuOffset = glm::vec2(10.f, 50.f);

static void jumpCharacter(RWGame* game, CharacterObject* player,
                          const glm::vec3& target, bool ground = true) {
    glm::vec3 newPosition = target;
    if (ground) {
        newPosition = game->getWorld()->getGroundAtPosition(newPosition) +
                      glm::vec3(0.f, 0.f, 1.f);
    }
    if (player) {
        if (player->getCurrentVehicle()) {
            player->getCurrentVehicle()->setPosition(newPosition);
        } else {
            player->setPosition(newPosition);
        }
    }
}

std::shared_ptr<Menu> DebugState::createDebugMenu() {
    CharacterObject* player = nullptr;
    if (game->getPlayer()) {
        player = game->getPlayer()->getCharacter();
    }

    auto menu = Menu::create(
        {{"Jump to Debug Camera",
          [=] {
              jumpCharacter(game, player,
                            _debugCam.position +
                                _debugCam.rotation * glm::vec3(3.f, 0.f, 0.f),
                            false);
          }},
         {"-Map", [=] { this->enterMenu(createMapMenu()); }},
         {"-Vehicles", [=] { this->enterMenu(createVehicleMenu()); }},
         {"-AI", [=] { this->enterMenu(createAIMenu()); }},
         {"-Weapons", [=] { this->enterMenu(createWeaponMenu()); }},
         {"Set Super Jump", [=] { player->setJumpSpeed(20.f); }},
         {"Set Normal Jump",
          [=] { player->setJumpSpeed(CharacterObject::DefaultJumpSpeed); }},
         {"Full Health", [=] { player->getCurrentState().health = 100.f; }},
         {"Full Armour", [=] { player->getCurrentState().armour = 100.f; }},
         {"Cull Here",
          [=] { game->getRenderer().setCullOverride(true, _debugCam); }}},
        kDebugFont, kDebugEntryHeight);

    menu->offset = kDebugMenuOffset;

    // Optional block if the player is in a vehicle
    auto cv = player->getCurrentVehicle();
    if (cv) {
        menu->lambda("Flip vehicle", [=] {
            cv->setRotation(cv->getRotation() *
                            glm::quat(glm::vec3(0.f, glm::pi<float>(), 0.f)));
        });
    }

    return menu;
}

std::shared_ptr<Menu> DebugState::createMapMenu() {
    CharacterObject* player = nullptr;
    if (game->getPlayer()) {
        player = game->getPlayer()->getCharacter();
    }

    auto menu = Menu::create(
        {{"Back", [=] { enterMenu(createDebugMenu()); }},
         {"Jump to Docks",
          [=] {
              jumpCharacter(game, player, glm::vec3(1390.f, -837.f, 100.f));
          }},
         {"Jump to Garage",
          [=] { jumpCharacter(game, player, glm::vec3(270.f, -605.f, 40.f)); }},
         {"Jump to Airport",
          [=] {
              jumpCharacter(game, player, glm::vec3(-950.f, -980.f, 12.f));
          }},
         {"Jump to Hideout",
          [=] {
              jumpCharacter(game, player, glm::vec3(875.0, -309.0, 100.0));
          }},
         {"Jump to Luigi's",
          [=] {
              jumpCharacter(game, player, glm::vec3(902.75, -425.56, 100.0));
          }},
         {"Jump to Hospital",
          [=] {
              jumpCharacter(game, player, glm::vec3(1123.77, -569.15, 100.0));
          }},
         {"Unsolid garage doors",
          [=] {

              std::vector<std::string> garageDoorModels{
                  "8ballsuburbandoor",  "amcogaragedoor",
                  "bankjobdoor",        "bombdoor",
                  "crushercrush",       "crushertop",
                  "door2_garage",       "door3_garage",
                  "door4_garage",       "door_bombshop",
                  "door_col_compnd_01", "door_col_compnd_02",
                  "door_col_compnd_03", "door_col_compnd_04",
                  "door_col_compnd_05", "door_jmsgrage",
                  "door_sfehousegrge",  "double_garage_dr",
                  "impex_door",         "impexpsubgrgdoor",
                  "ind_plyrwoor",       "ind_slidedoor",
                  "jamesgrge_kb",       "leveldoor2",
                  "oddjgaragdoor",      "plysve_gragedoor",
                  "SalvGarage",         "shedgaragedoor",
                  "Sub_sprayshopdoor",  "towergaragedoor1",
                  "towergaragedoor2",   "towergaragedoor3",
                  "vheistlocdoor"};

              auto gw = game->getWorld();
              for (auto& i : gw->instancePool.objects) {
                  auto obj = static_cast<InstanceObject*>(i.second);
                  if (std::find(garageDoorModels.begin(),
                                garageDoorModels.end(),
                                obj->getModelInfo<BaseModelInfo>()->name) !=
                      garageDoorModels.end()) {
                      obj->setSolid(false);
                  }
              }
          }}},
        kDebugFont, kDebugEntryHeight);

    menu->offset = kDebugMenuOffset;
    return menu;
}

std::shared_ptr<Menu> DebugState::createVehicleMenu() {
    auto menu = Menu::create({{"Back", [=] { enterMenu(createDebugMenu()); }}},
                             kDebugFont, kDebugEntryHeight);

    const std::map<std::string, int> kVehicleTypes = {
        {"Landstalker", 90}, {"Taxi", 110},      {"Firetruck", 97},
        {"Police", 116},     {"Ambulance", 106}, {"Bobcat", 112},
        {"Banshee", 119},    {"Rhino", 122},     {"Barracks", 123},
        {"Rumpo", 130},      {"Columbian", 138}, {"Dodo", 126},
        {"Speeder", 142},    {"Yakuza", 136},
    };

    for (auto& e : kVehicleTypes) {
        menu->lambda(e.first, [=] { spawnVehicle(e.second); });
    }

    menu->offset = kDebugMenuOffset;
    return menu;
}

std::shared_ptr<Menu> DebugState::createAIMenu() {
    auto menu =
        Menu::create({{"Back", [=] { this->enterMenu(createDebugMenu()); }}},
                     kDebugFont, kDebugEntryHeight);

    const std::map<std::string, int> kPedTypes = {
        {"Triad", 12}, {"Cop", 1},     {"SWAT", 2},
        {"FBI", 3},    {"Fireman", 6}, {"Construction", 74},
    };

    for (auto& e : kPedTypes) {
        menu->lambda(e.first + " Follower", [=] { spawnFollower(e.second); });
    }

    menu->lambda("Kill All Peds", [=] {
        for (auto& p : game->getWorld()->pedestrianPool.objects) {
            if (p.second->getLifetime() == GameObject::PlayerLifetime) {
                continue;
            }
            p.second->takeDamage({p.second->getPosition(),
                                  p.second->getPosition(), 100.f,
                                  GameObject::DamageInfo::Explosion, 0.f});
        }
    });

    menu->offset = kDebugMenuOffset;
    return menu;
}

std::shared_ptr<Menu> DebugState::createWeaponMenu() {
    auto menu =
        Menu::create({{"Back", [=] { this->enterMenu(createDebugMenu()); }}},
                     kDebugFont, kDebugEntryHeight);

    for (int i = 1; i < kMaxInventorySlots; ++i) {
        auto& name = getWorld()->data->weaponData[i]->name;
        menu->lambda(name, [=] { giveItem(i); });
    }

    menu->offset = kDebugMenuOffset;
    return menu;
}

DebugState::DebugState(RWGame* game, const glm::vec3& vp, const glm::quat& vd)
    : State(game), _invertedY(game->getConfig().getInputInvertY()) {
    this->enterMenu(createDebugMenu());

    _debugCam.position = vp;
    _debugCam.rotation = vd;
}

void DebugState::enter() {
    getWindow().showCursor();
}

void DebugState::exit() {
}

void DebugState::tick(float dt) {
    if (_freeLook) {
        _debugCam.rotation =
            glm::angleAxis(_debugLook.x, glm::vec3(0.f, 0.f, 1.f)) *
            glm::angleAxis(_debugLook.y, glm::vec3(0.f, 1.f, 0.f));

        _debugCam.position +=
            _debugCam.rotation * _movement * dt * (_sonicMode ? 500.f : 50.f);
    }
}

void DebugState::draw(GameRenderer* r) {
    // Draw useful information like camera position.
    std::stringstream ss;
    ss << "Camera Position: " << glm::to_string(_debugCam.position);

    TextRenderer::TextInfo ti;
    ti.text = GameStringUtil::fromString(ss.str());
    ti.font = 2;
    ti.screenPosition = glm::vec2(10.f, 10.f);
    ti.size = 15.f;
    ti.baseColour = glm::u8vec3(255);
    r->text.renderText(ti);

    State::draw(r);
}

void DebugState::handleEvent(const SDL_Event& event) {
    switch (event.type) {
        case SDL_KEYDOWN:
            switch (event.key.keysym.sym) {
                case SDLK_ESCAPE:
                    done();
                    break;
                case SDLK_w:
                    _movement.x = 1.f;
                    break;
                case SDLK_s:
                    _movement.x = -1.f;
                    break;
                case SDLK_a:
                    _movement.y = 1.f;
                    break;
                case SDLK_d:
                    _movement.y = -1.f;
                    break;
                case SDLK_f:
                    _freeLook = !_freeLook;
                    if (_freeLook)
                        getWindow().hideCursor();
                    else
                        getWindow().showCursor();
                    break;
                case SDLK_p:
                    printCameraDetails();
                    break;
                case SDLK_LSHIFT:
                    _sonicMode = true;
                    break;
                default:
                    break;
            }

            break;

        case SDL_KEYUP:
            switch (event.key.keysym.sym) {
                case SDLK_w:
                case SDLK_s:
                    _movement.x = 0.f;
                    break;
                case SDLK_a:
                case SDLK_d:
                    _movement.y = 0.f;
                    break;
                case SDLK_LSHIFT:
                    _sonicMode = false;
                    break;
                default:
                    break;
            }

            break;

        case SDL_MOUSEMOTION:
            if (game->hasFocus()) {
                glm::ivec2 screenSize = getWindow().getSize();
                glm::vec2 mouseMove(
                    event.motion.xrel / static_cast<float>(screenSize.x),
                    event.motion.yrel / static_cast<float>(screenSize.y));

                if (!_invertedY) mouseMove.y = -mouseMove.y;

                _debugLook.x -= mouseMove.x;

                float qpi = glm::half_pi<float>();
                _debugLook.y -= glm::clamp(mouseMove.y, -qpi, qpi);
            }
            break;

        default:
            break;
    }
    State::handleEvent(event);
}

void DebugState::printCameraDetails() {
    std::cout << " " << _debugCam.position.x << " " << _debugCam.position.y
              << " " << _debugCam.position.z << " " << _debugCam.rotation.x
              << " " << _debugCam.rotation.y << " " << _debugCam.rotation.z
              << " " << _debugCam.rotation.w << std::endl;
}

void DebugState::spawnVehicle(unsigned int id) {
    auto ch = game->getPlayer()->getCharacter();
    if (!ch) return;

    auto playerRot = ch->getRotation();
    auto spawnPos = ch->getPosition();
    spawnPos += playerRot * glm::vec3(0.f, 3.f, 0.f);
    auto spawnRot = glm::quat(
        glm::vec3(0.f, 0.f, glm::roll(playerRot) + glm::half_pi<float>()));
    getWorld()->createVehicle(id, spawnPos, spawnRot);
}

void DebugState::spawnFollower(unsigned int id) {
    auto ch = game->getPlayer()->getCharacter();
    if (!ch) return;

    glm::vec3 fwd = ch->rotation * glm::vec3(0.f, 1.f, 0.f);

    glm::vec3 hit, normal;
    if (game->hitWorldRay(ch->position + (fwd * 10.f), {0.f, 0.f, -2.f}, hit,
                          normal)) {
        auto spawnPos = hit + normal;
        auto follower = game->getWorld()->createPedestrian(id, spawnPos);
        jumpCharacter(game, follower, spawnPos);
        follower->controller->setGoal(CharacterController::FollowLeader);
        follower->controller->setTargetCharacter(ch);
    }
}

void DebugState::giveItem(int slot) {
    CharacterObject* player = nullptr;
    if (game->getPlayer()) {
        player = game->getPlayer()->getCharacter();
    }

    if (player) {
        player->addToInventory(slot, 100);
    }
}

const ViewCamera& DebugState::getCamera(float alpha) {
    return _debugCam;
}