local ChapterData = class("ChapterData", BaseData)

local MIN_CHAPTER_ID = 1

function ChapterData:ctor()
	self.data.chapterId = MIN_CHAPTER_ID
	self.data.maxChapterId = 0
	self.data.isDirty = false
end

function ChapterData:clear()
	self.data.chapterId = MIN_CHAPTER_ID
	self.data.maxChapterId = 0
end

function ChapterData:init(data)
	self.data.chapterId = data and data.chapterId or MIN_CHAPTER_ID
	self.data.maxChapterId = data and data.maxChapterId or self.data.chapterId - 1
end

function ChapterData:getChapterId()
	return self.data.chapterId
end

function ChapterData:setChapterId(chapterId)
	self.data.chapterId = chapterId
end

function ChapterData:goNextChapter()
	local chapterInfo = self:getChapterCfg()[self.data.chapterId]
	if chapterInfo == nil then
		return false
	end
	local chapterId = chapterInfo.next_chapter
	if chapterId == nil then
		return false
	end
	self.data.chapterId = chapterId
	return true
end

function ChapterData:goLastChapter()
	local chapterInfo = self:getChapterCfg()[self.data.chapterId]
	if chapterInfo == nil then
		return false
	end
	local chapterId = chapterInfo.before_chapter
	if chapterId == nil then
		return false
	end
	self.data.chapterId = chapterId
	return true
end

function ChapterData:getChapterCfg()
	if self.chapterCfg == nil then
		self.chapterCfg = ConfigManager:getConfig("chapter")
	end
	return self.chapterCfg
end

return ChapterData