local propertyTable = {
    FieldID = 1,FactorID = 2,IconID = 3,FactorName = 4,FactorIntro = 5,FactorTag = 6,Variable_Table = 7,
}

local mainPropertyTable = { 
    FieldID = 1,FactorID = 2,PageIndex = 3,LineIndex = 4,
}

local primaryTable = {
    "FieldID","FactorID",
}


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/SiegeCityFieldIntro-page'..pageIndex)
                if DataSheetUtil then
                    --skip fixedpoint process for data sheet checker
                    DataSheetUtil.ProcessFixedPoint('SiegeCityFieldIntro', 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 = {
	setmetatable({1,1,1,1},base),
	setmetatable({1,2,1,2},base),
	setmetatable({1,3,1,3},base),
	setmetatable({1,4,1,4},base),
	setmetatable({1,5,1,5},base),
	setmetatable({1,6,1,6},base),
	setmetatable({1,7,1,7},base),
	setmetatable({1,8,1,8},base),
	setmetatable({1,9,1,9},base),
	setmetatable({1,10,1,10},base),
	setmetatable({1,11,1,11},base),
	setmetatable({1,12,1,12},base),
	setmetatable({1,13,1,13},base),
	setmetatable({1,14,1,14},base),
	setmetatable({1,15,1,15},base),
	setmetatable({1,16,1,16},base),
	setmetatable({1,17,1,17},base),
	setmetatable({1,18,1,18},base),
	setmetatable({1,19,1,19},base),
	setmetatable({1,20,1,20},base),
	setmetatable({1,21,1,21},base),
	setmetatable({1,22,1,22},base),
	setmetatable({1,23,1,23},base),
	setmetatable({1,24,1,24},base),
	setmetatable({1,25,1,25},base),
	setmetatable({1,26,1,26},base),
	setmetatable({1,27,1,27},base),
	setmetatable({1,28,1,28},base),
	setmetatable({1,29,1,29},base),
	setmetatable({1,30,1,30},base),
	setmetatable({1,31,1,31},base),
	setmetatable({1,32,1,32},base),
	setmetatable({1,33,1,33},base),
	setmetatable({1,34,1,34},base),
	setmetatable({2,1,1,35},base),
	setmetatable({2,2,1,36},base),
	setmetatable({2,3,1,37},base),
	setmetatable({2,4,1,38},base),
	setmetatable({2,5,1,39},base),
	setmetatable({2,6,1,40},base),
	setmetatable({2,7,1,41},base),
	setmetatable({2,8,1,42},base),
	setmetatable({2,9,1,43},base),
	setmetatable({2,10,1,44},base),
	setmetatable({3,1,1,45},base),
	setmetatable({3,2,1,46},base),
	setmetatable({3,3,1,47},base),
	setmetatable({3,4,1,48},base),
	setmetatable({3,5,1,49},base),
	setmetatable({3,6,1,50},base),
	setmetatable({3,7,1,51},base),
	setmetatable({3,8,1,52},base),
	setmetatable({3,9,1,53},base),
	setmetatable({3,10,1,54},base),
	setmetatable({3,11,1,55},base),
	setmetatable({3,12,1,56},base),
	setmetatable({3,13,1,57},base),
	setmetatable({3,14,1,58},base),
	setmetatable({3,15,1,59},base),
	setmetatable({3,16,1,60},base),
}

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