#include "Unit.hpp"

#define UNIT_ARGS \
	icon, sprite, active, unit_type, floating_flag, priority, max_strength, default_organisation, maximum_speed, \
	weighted_value, move_sound, select_sound, build_time, std::move(build_cost), supply_consumption, std::move(supply_cost)

#define LAND_ARGS \
	primary_culture, sprite_override, sprite_mount, sprite_mount_attach_node, \
	reconnaissance, attack, defence, discipline, support, maneuver, siege

#define NAVY_ARGS \
	naval_icon, sail, transport, capital, colonial_points, build_overseas, min_port_level, \
	limit_per_port, supply_consumption_score, hull, gun_power, fire_range, evasion, torpedo_attack

using namespace OpenVic;
using namespace OpenVic::NodeTools;

Unit::Unit(std::string_view identifier, type_t type, UNIT_PARAMS)
	: HasIdentifier { identifier }, icon { icon }, type { type }, sprite { sprite }, active { active },
	unit_type { unit_type }, floating_flag { floating_flag }, priority { priority }, max_strength { max_strength },
	default_organisation { default_organisation }, maximum_speed { maximum_speed }, weighted_value { weighted_value },
	move_sound { move_sound }, select_sound { select_sound }, build_time { build_time }, build_cost { std::move(build_cost) },
	supply_consumption { supply_consumption }, supply_cost { std::move(supply_cost) } {}

Unit::icon_t Unit::get_icon() const {
	return icon;
}

Unit::type_t Unit::get_type() const {
	return type;
}

std::string_view Unit::get_sprite() const {
	return sprite;
}

bool Unit::is_active() const {
	return active;
}

std::string_view Unit::get_unit_type() const {
	return unit_type;
}

bool Unit::has_floating_flag() const {
	return floating_flag;
}

uint32_t Unit::get_priority() const {
	return priority;
}

fixed_point_t Unit::get_max_strength() const {
	return max_strength;
}

fixed_point_t Unit::get_default_organisation() const {
	return default_organisation;
}

fixed_point_t Unit::get_maximum_speed() const {
	return maximum_speed;
}

Timespan Unit::get_build_time() const {
	return build_time;
}

fixed_point_t Unit::get_weighted_value() const {
	return weighted_value;
}

std::string_view Unit::get_move_sound() const {
	return move_sound;
}

std::string_view Unit::get_select_sound() const {
	return select_sound;
}

Good::good_map_t const& Unit::get_build_cost() const {
	return build_cost;
}

fixed_point_t Unit::get_supply_consumption() const {
	return supply_consumption;
}

Good::good_map_t const& Unit::get_supply_cost() const {
	return supply_cost;
}

LandUnit::LandUnit(std::string_view identifier, UNIT_PARAMS, LAND_PARAMS)
	: Unit { identifier, type_t::LAND, UNIT_ARGS }, primary_culture { primary_culture },
	sprite_override { sprite_override }, sprite_mount { sprite_mount }, sprite_mount_attach_node { sprite_mount_attach_node },
	reconnaissance { reconnaissance }, attack { attack }, defence { defence }, discipline { discipline }, support { support },
	maneuver { maneuver }, siege { siege } {}

bool LandUnit::get_primary_culture() const {
	return primary_culture;
}

std::string_view LandUnit::get_sprite_override() const {
	return sprite_override;
}

std::string_view LandUnit::get_sprite_mount() const {
	return sprite_mount;
}

std::string_view LandUnit::get_sprite_mount_attach_node() const {
	return sprite_mount_attach_node;
}

fixed_point_t LandUnit::get_reconnaissance() const {
	return reconnaissance;
}

fixed_point_t LandUnit::get_attack() const {
	return attack;
}

fixed_point_t LandUnit::get_defence() const {
	return defence;
}

fixed_point_t LandUnit::get_discipline() const {
	return discipline;
}

fixed_point_t LandUnit::get_support() const {
	return support;
}

fixed_point_t LandUnit::get_maneuver() const {
	return maneuver;
}

fixed_point_t LandUnit::get_siege() const {
	return siege;
}

NavalUnit::NavalUnit(std::string_view identifier, UNIT_PARAMS, NAVY_PARAMS)
	: Unit { identifier, type_t::NAVAL, UNIT_ARGS }, naval_icon { naval_icon }, sail { sail },
	transport { transport }, capital { capital }, colonial_points { colonial_points },
	build_overseas { build_overseas }, min_port_level { min_port_level },limit_per_port { limit_per_port },
	supply_consumption_score { supply_consumption_score }, hull { hull }, gun_power { gun_power },
	fire_range { fire_range }, evasion { evasion }, torpedo_attack { torpedo_attack } {};

NavalUnit::icon_t NavalUnit::get_naval_icon() const {
	return naval_icon;
}

bool NavalUnit::can_sail() const {
	return sail;
}

bool NavalUnit::is_transport() const {
	return transport;
}

fixed_point_t NavalUnit::get_colonial_points() const {
	return colonial_points;
}

bool NavalUnit::can_build_overseas() const {
	return build_overseas;
}

uint32_t NavalUnit::get_min_port_level() const {
	return min_port_level;
}

int32_t NavalUnit::get_limit_per_port() const {
	return limit_per_port;
}

fixed_point_t NavalUnit::get_supply_consumption_score() const {
	return supply_consumption_score;
}

fixed_point_t NavalUnit::get_hull() const {
	return hull;
}

fixed_point_t NavalUnit::get_gun_power() const {
	return gun_power;
}

fixed_point_t NavalUnit::get_fire_range() const {
	return fire_range;
}

fixed_point_t NavalUnit::get_evasion() const {
	return evasion;
}

fixed_point_t NavalUnit::get_torpedo_attack() const {
	return torpedo_attack;
}

UnitManager::UnitManager() : units { "units" } {}

bool UnitManager::_check_shared_parameters(std::string_view identifier, UNIT_PARAMS) {
	if (identifier.empty()) {
		Logger::error("Invalid religion identifier - empty!");
		return false;
	}

	if (sprite.empty()) {
		Logger::error("Invalid sprite identifier - empty!");
		return false;
	}

	if (unit_type.empty()) {
		Logger::error("Invalid unit type - empty!");
		return false;
	}

	//TODO check that icon and sprite exist

	return true;
}

bool UnitManager::add_land_unit(std::string_view identifier, UNIT_PARAMS, LAND_PARAMS) {
	if (!_check_shared_parameters(identifier, UNIT_ARGS)) {
		return false;
	}

	return units.add_item(LandUnit { identifier, UNIT_ARGS, LAND_ARGS });
}

bool UnitManager::add_naval_unit(std::string_view identifier, UNIT_PARAMS, NAVY_PARAMS) {
	if (!_check_shared_parameters(identifier, UNIT_ARGS)) {
		return false;
	}

	//TODO: check that icon and sounds exist

	return units.add_item(NavalUnit { identifier, UNIT_ARGS, NAVY_ARGS });
}

bool UnitManager::load_unit_file(GoodManager const& good_manager, ast::NodeCPtr root) {
	return expect_dictionary([this, &good_manager](std::string_view key, ast::NodeCPtr value) -> bool {
		Unit::type_t type;
		Unit::icon_t icon = 0;
		std::string_view unit_type, sprite, move_sound, select_sound; // TODO defaults for move_sound and select_sound
		bool active = true, floating_flag = false;
		uint32_t priority = 0;
		Timespan build_time;
		fixed_point_t maximum_speed = 0, max_strength = 0, default_organisation = 0, weighted_value = 0, supply_consumption = 0;
		Good::good_map_t build_cost, supply_cost;

		using enum Unit::type_t;
		static const string_map_t<Unit::type_t> type_map = {
			{ "land", LAND }, { "naval", NAVAL }
		};
		bool ret = expect_key("type", expect_identifier(expect_mapped_string(type_map, assign_variable_callback(type))))(value);

		if (!ret) {
			Logger::error("Failed to read type for unit: ", key);
			return false;
		}

		key_map_t key_map;
		//shared
		ret &= add_key_map_entries(key_map,
			"icon", ONE_EXACTLY, expect_uint(assign_variable_callback(icon)),
			"type", ONE_EXACTLY, success_callback,
			"sprite", ONE_EXACTLY, expect_identifier(assign_variable_callback(sprite)),
			"active", ZERO_OR_ONE, expect_bool(assign_variable_callback(active)),
			"unit_type", ONE_EXACTLY, expect_identifier(assign_variable_callback(unit_type)),
			"floating_flag", ONE_EXACTLY, expect_bool(assign_variable_callback(floating_flag)),
			"priority", ONE_EXACTLY, expect_uint(assign_variable_callback(priority)),
			"max_strength", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(max_strength)),
			"default_organisation", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(default_organisation)),
			"maximum_speed", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(maximum_speed)),
			"weighted_value", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(weighted_value)),
			"move_sound", ZERO_OR_ONE, expect_identifier(assign_variable_callback(move_sound)),
			"select_sound", ZERO_OR_ONE, expect_identifier(assign_variable_callback(select_sound)),
			"build_time", ONE_EXACTLY, expect_days(assign_variable_callback(build_time)),
			"build_cost", ONE_EXACTLY, good_manager.expect_good_decimal_map(move_variable_callback(build_cost)),
			"supply_consumption", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(supply_consumption)),
			"supply_cost", ONE_EXACTLY, good_manager.expect_good_decimal_map(move_variable_callback(supply_cost))
		);

		switch (type) {
		case LAND:
			{
				bool primary_culture = false;
				std::string_view sprite_override, sprite_mount, sprite_mount_attach_node;
				fixed_point_t reconnaissance = 0, attack = 0, defence = 0, discipline = 0, support = 0, maneuver = 0, siege = 0;

				ret &= add_key_map_entries(key_map,
					"primary_culture", ZERO_OR_ONE, expect_bool(assign_variable_callback(primary_culture)),
					"sprite_override", ZERO_OR_ONE, expect_identifier(assign_variable_callback(sprite_override)),
					"sprite_mount", ZERO_OR_ONE, expect_identifier(assign_variable_callback(sprite_mount)),
					"sprite_mount_attach_node", ZERO_OR_ONE, expect_identifier(assign_variable_callback(sprite_mount_attach_node)),
					"reconnaissance", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(reconnaissance)),
					"attack", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(attack)),
					"defence", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(defence)),
					"discipline", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(discipline)),
					"support", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(support)),
					"maneuver", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(maneuver)),
					"siege", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(siege))
				);

				ret &= expect_dictionary_key_map(key_map)(value);

				ret &= add_land_unit(key, UNIT_ARGS, LAND_ARGS);

				return ret;
			}
			break;
		case NAVAL:
			{
				Unit::icon_t naval_icon = 0;
				bool sail = false, transport = false, capital = false, build_overseas = false;
				uint32_t min_port_level = 0;
				int32_t limit_per_port = 0;
				fixed_point_t fire_range = 0, evasion = 0, supply_consumption_score = 0, hull = 0, gun_power = 0, colonial_points = 0, torpedo_attack = 0;

				ret &= add_key_map_entries(key_map,
					"naval_icon", ONE_EXACTLY, expect_uint(assign_variable_callback(naval_icon)),
					"sail", ZERO_OR_ONE, expect_bool(assign_variable_callback(sail)),
					"transport", ZERO_OR_ONE, expect_bool(assign_variable_callback(transport)),
					"capital", ZERO_OR_ONE, expect_bool(assign_variable_callback(capital)),
					"colonial_points", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(colonial_points)),
					"can_build_overseas", ZERO_OR_ONE, expect_bool(assign_variable_callback(build_overseas)),
					"min_port_level", ONE_EXACTLY, expect_uint(assign_variable_callback(min_port_level)),
					"limit_per_port", ONE_EXACTLY, expect_int(assign_variable_callback(limit_per_port)),
					"supply_consumption_score", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(supply_consumption_score)),
					"hull", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(hull)),
					"gun_power", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(gun_power)),
					"fire_range", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(fire_range)),
					"evasion", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(evasion)),
					"torpedo_attack", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(torpedo_attack))
				);

				ret &= expect_dictionary_key_map(key_map)(value);

				ret &= add_naval_unit(key, UNIT_ARGS, NAVY_ARGS);

				return ret;
			}
			break;
		default:
			Logger::error("Unknown unit type for ", key, ": ", static_cast<int>(type));
			return false;
		}
	})(root);
}