local propertyTable = {
    BulletScreenGroupID = 1,ChildID = 2,IDS = 3,
}

local mainPropertyTable = { 
    BulletScreenGroupID = 1,ChildID = 2,PageIndex = 3,LineIndex = 4,
}

local primaryTable = {
    "BulletScreenGroupID","ChildID",
}


local DataPageEntry = {}
local rawget = rawget

local base = {
    __index = function(t, k)
        local propertyIndex = propertyTable[k]
		if propertyIndex then
            local mainPropertyIndex = mainPropertyTable[k]
            if mainPropertyIndex then
                return t[mainPropertyIndex]
            end

            local pageIndex = t[3]
            local pageData = DataPageEntry[pageIndex]
            if pageData == nil then
                pageData = require('Data/BulletScreenGroup-page'..pageIndex)
                if DataSheetUtil then
                    --skip fixedpoint process for data sheet checker
                    DataSheetUtil.ProcessFixedPoint('BulletScreenGroup', pageData)
                end
                DataPageEntry[pageIndex] = pageData
            end

            local lineIndex = t[4]
            local resultData = pageData[lineIndex]
			return resultData[propertyIndex]
		end
	end,

	__newindex = function()
		error('Attempt to modify read-only table')
	end
}

local dataTable = {
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	setmetatable({1,3,1,3},base),
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	setmetatable({11,30,1,458},base),
	setmetatable({11,31,1,459},base),
	setmetatable({11,32,1,460},base),
	setmetatable({11,33,1,461},base),
	setmetatable({11,34,1,462},base),
	setmetatable({11,35,1,463},base),
	setmetatable({11,36,1,464},base),
	setmetatable({11,37,1,465},base),
	setmetatable({11,38,1,466},base),
	setmetatable({11,39,1,467},base),
	setmetatable({11,40,1,468},base),
	setmetatable({12,1,1,469},base),
	setmetatable({12,2,1,470},base),
	setmetatable({12,3,1,471},base),
	setmetatable({12,4,1,472},base),
	setmetatable({12,5,1,473},base),
	setmetatable({12,6,1,474},base),
	setmetatable({12,7,1,475},base),
	setmetatable({12,8,1,476},base),
	setmetatable({12,9,1,477},base),
	setmetatable({12,10,1,478},base),
	setmetatable({12,11,1,479},base),
	setmetatable({12,12,1,480},base),
	setmetatable({12,13,1,481},base),
	setmetatable({12,14,1,482},base),
	setmetatable({12,15,1,483},base),
	setmetatable({12,16,1,484},base),
	setmetatable({12,17,1,485},base),
	setmetatable({12,18,1,486},base),
	setmetatable({12,19,1,487},base),
	setmetatable({12,20,1,488},base),
	setmetatable({12,21,1,489},base),
	setmetatable({12,22,1,490},base),
	setmetatable({12,23,1,491},base),
	setmetatable({12,24,1,492},base),
	setmetatable({12,25,1,493},base),
	setmetatable({12,26,1,494},base),
	setmetatable({12,27,1,495},base),
	setmetatable({12,28,1,496},base),
	setmetatable({12,29,1,497},base),
	setmetatable({12,30,1,498},base),
	setmetatable({12,31,1,499},base),
	setmetatable({12,32,1,500},base),
	setmetatable({12,33,1,501},base),
	setmetatable({12,34,1,502},base),
	setmetatable({12,35,1,503},base),
	setmetatable({12,36,1,504},base),
	setmetatable({12,37,1,505},base),
	setmetatable({12,38,1,506},base),
	setmetatable({12,39,1,507},base),
	setmetatable({12,40,1,508},base),
	setmetatable({12,41,1,509},base),
	setmetatable({12,42,1,510},base),
	setmetatable({12,43,1,511},base),
}

return {
    dataTable = dataTable,
    propertyTable = propertyTable,
    primaryTable = primaryTable,
}