local setmetatable = setmetatable

function class(classname, super)
    local superType = type(super)
    local cls
 
    if superType ~= "function" and superType ~= "table" then
        superType = nil
        super = nil
    end
 
    if superType == "function" or (super and super.__ctype == 1) then
        -- inherited from native C++ Object
        cls = {}
 
        if superType == "table" then
            -- copy fields from super
            for k,v in pairs(super) do cls[k] = v end
            cls.__create = super.__create
            cls.super    = super
        else
            cls.__create = super
            cls.ctor = function() end
        end
 
        cls.__cname = classname
        cls.__ctype = 1
 
        function cls.new(...)
            local instance = cls.__create(...)
            -- copy fields from class to native object
            for k,v in pairs(cls) do instance[k] = v end
            instance.class = cls
            instance:ctor(...)
            return instance
        end
 
    else
        -- inherited from Lua Object
        if super then
            cls = {}
            setmetatable(cls, {__index = super})
            cls.super = super
        else
            cls = {ctor = function() end}
        end
 
        cls.__cname = classname
        cls.__ctype = 2 -- lua
        cls.__index = cls
 
        function cls.new(...)
            local instance = setmetatable({}, cls)
            instance.class = cls
            instance:ctor(...)
            return instance
        end
    end
 
    return cls
end

-- 刘海偏移
function get_offset(full_offset)
    if full_offset then 
        local r = GRoot.inst.width / GRoot.inst.height
        if r >= 2 then
            local d = (Screen.dpi /160)
            return d * 20
        end
    end
    return 0
end

---lua table 浅拷贝
function membe_clone(orig)
    local copy
    if type(orig) == "table" then
        copy = {}
        for orig_key, orig_value in pairs(orig) do
            copy[orig_key] = orig_value
        end
    else -- number, string, boolean, etc
        copy = orig
    end
    return copy
end

-- lua table 深拷贝
function membe_deep_clone(orig)
    local copy
    if type(orig) == "table" then
        copy = {}
        for orig_key, orig_value in pairs(orig) do
            copy[membe_deep_clone(orig_key)] = membe_deep_clone(orig_value)
        end
    else
        copy = orig
    end
    return copy
end


---字符串分割函数
function split(str, delimiter)
  if str==nil or str=='' or delimiter==nil then
    return nil
  end
  
    local result = {}
    for match in (str..delimiter):gmatch("(.-)"..delimiter) do
        table.insert(result, match)
    end
    return result
end


function handler( obj,func)
    return function(...)
        return func(obj, ...)
    end
end

--重新require一个lua文件，替代系统文件。
function unimport(moduleName,currentModuleName)
    local package = package
    local currentModuleNameParts
    local moduleFullName = moduleName
    local offset = 1

    while true do
        if string.byte(moduleName, offset) ~= 46 then -- .
            moduleFullName = string.sub(moduleName, offset)
            if currentModuleNameParts and #currentModuleNameParts > 0 then
                moduleFullName = table.concat(currentModuleNameParts, ".") .. "." .. moduleFullName
            end
            break
        end
        offset = offset + 1

        if not currentModuleNameParts then
            if not currentModuleName then
                local n,v = debug.getlocal(3, 1)
                currentModuleName = v
            end

            currentModuleNameParts = string.split(currentModuleName, ".")
        end
        table.remove(currentModuleNameParts, #currentModuleNameParts)
    end

    package.loaded[moduleFullName] = nil
    package.preload[moduleFullName] = nil
end

function table.nums(t)
    local count = 0
    for k, v in pairs(t) do
        count = count + 1
    end
    return count
end

-- @param t 要检查的表格(t表示是table)
-- @param table 返回指定表格的所有键（key）,它是一个键集合的表格
--]]
function table.keys( t )
    local keys = {}
    for k, _ in pairs( t ) do
        keys[#keys + 1] = k
    end
    return keys
end

function list_remove(t,item)
    for i,v in ipairs(t) do
        if v == item then
            table.remove(t,i)
            break
        end
    end
end

function list_check(t,item)
    for i,v in ipairs(t) do
        if v == item then
            return true
        end
    end
    return false
end

function list_index(t,item)
    for i,v in ipairs(t) do
        if v == item then
            return i
        end
    end
    return 0
end

function list_concat(des,tag)
    for i = 1, #tag do
        table.insert(des, tag[i])
    end
    return des
end

function vardump(object, label)
    local lookupTable = {}
    local result = {}

    local function _v(v)
        if type(v) == "string" then
            v = "\"" .. v .. "\""
        end
        return tostring(v)
    end

    local function _vardump(object, label, indent, nest)
        label = label or "<var>"
        local postfix = ""
        if nest > 1 then postfix = "," end
        if type(object) ~= "table" then
            -- if type(label) == "string" then
                result[#result +1] = string.format("%s%s = %s%s", indent, label, _v(object), postfix)
            -- else
            --     result[#result +1] = string.format("%s%s%s", indent, _v(object), postfix)
            -- end
        elseif not lookupTable[object] then
            lookupTable[object] = true

            -- if type(label) == "string" then
                result[#result +1 ] = string.format("%s%s = {", indent, label)
            -- else
            --     result[#result +1 ] = string.format("%s{", indent)
            -- end
            local indent2 = indent .. "    "
            local keys = {}
            local values = {}
            for k, v in pairs(object) do
                keys[#keys + 1] = k
                values[k] = v
            end
            table.sort(keys, function(a, b)
                if type(a) == "number" and type(b) == "number" then
                    return a < b
                else
                    return tostring(a) < tostring(b)
                end
            end)
            for i, k in ipairs(keys) do
                _vardump(values[k], k, indent2, nest + 1)
            end
            result[#result +1] = string.format("%s}%s", indent, postfix)
        end
    end
    _vardump(object, label, "", 1)

    return table.concat(result, "\n")
end

function sysrandom(min,max)
    local num = math.random(min,max)
    return num
end


function IsHasDictionary(currentTarget,list)
	if list and #list>0 then
		for k,v in ipairs(list) do
			if v==currentTarget then
				return true
			end
		end
		return false
	else
		return false
	end
end


function CheckDictionaryFromContent(target,list)
	if list and #list>0 then
		for k,v in pairs(list) do
			if v.card==target then
				return true,k
			end
		end
	else
		return false
	end
end


function CombineDictionaryAndRemoveSomeItem(list1,list2)
	local tempList=membe_clone(list2)
	for i=1,#list1 do
		if IsHasDictionary(list1[i],list2)==false then
			table.insert(tempList,list1[i])
		end
	end
	return tempList
end