--[[
	错音错字提示。
	示例：「给予」的正确读音是 ji yu，当用户输入 gei yu 时，在候选项的 comment 显示正确读音
	示例：「按耐」的正确写法是「按捺」，当用户输入「按耐」时，在候选项的 comment 显示正确写法

	为了让这个 Lua 同时适配全拼与双拼，使用 `spelling_hints` 生成的 comment（全拼拼音）作为通用的判断条件。
	感谢大佬@[Shewer Lu](https://github.com/shewer)提供的思路。
	
	容错词在 cn_dicts/others.dict.yaml 中，有新增建议可以提个 issue
--]]

local M = {}

function M.init(env)
    local config = env.engine.schema.config
    env.name_space = env.name_space:gsub('^*', '')
    M.style = config:get_string(env.name_space) or '{comment}'
	M.corrections = {
		-- 错音
		["hun dun"] = { text = "馄饨", comment = "hún tun" },
		["zhu jiao"] = { text = "主角", comment = "zhǔ jué" },
		["jiao se"] = { text = "角色", comment = "júe sè" },
		["pi sa"] = { text = "比萨", comment = "bǐ sà" },
		["chi pi sa"] = { text = "吃比萨", comment = "chī bǐ sà" },
		["pi sa bing"] = { text = "比萨饼", comment = "bǐ sà bǐng" },
		["shui fu"] = { text = "说服", comment = "shuō fú" },
		["dao hang"] = { text = "道行", comment = "dào héng" },
		["mo yang"] = { text = "模样", comment = "mú yàng" },
		["you mo you yang"] = { text = "有模有样", comment = "yǒu mú yǒu yàng" },
		["yi mo yi yang"] = { text = "一模一样", comment = "yī mú yī yàng" },
		["zhuang mo zuo yang"] = { text = "装模作样", comment = "zhuāng mú zuò yàng" },
		["ren mo gou yang"] = { text = "人模狗样", comment = "rén mú góu yàng" },
		["mo ban"] = { text = "模板", comment = "mú bǎn" },
		["a mi tuo fo"] = { text = "阿弥陀佛", comment = "ē mí tuó fó" },
		["na mo a mi tuo fo"] = { text = "南无阿弥陀佛", comment = "nā mó ē mí tuó fó" },
		["nan wu a mi tuo fo"] = { text = "南无阿弥陀佛", comment = "nā mó ē mí tuó fó" },
		["nan wu e mi tuo fo"] = { text = "南无阿弥陀佛", comment = "nā mó ē mí tuó fó" },
		["gei yu"] = { text = "给予", comment = "jǐ yǔ" },
		["bin lang"] = { text = "槟榔", comment = "bīng láng" },
		["zhang bai zhi"] = { text = "张柏芝", comment = "zhāng bó zhī" },
		["teng man"] = { text = "藤蔓", comment = "téng wàn" },
		["nong tang"] = { text = "弄堂", comment = "lòng táng" },
		["xin kuan ti pang"] = { text = "心宽体胖", comment = "xīn kūan tǐ pán" },
		["mai yuan"] = { text = "埋怨", comment = "mán yuàn" },
		["xu yu wei she"] = { text = "虚与委蛇", comment = "xū yǔ wēi yí" },
		["mu na"] = { text = "木讷", comment = "mù nè" },
		["du le le"] = { text = "独乐乐", comment = "dú yuè lè" },
		["zhong le le"] = { text = "众乐乐", comment = "zhòng yuè lè" },
		["xun ma"] = { text = "荨麻", comment = "qián má" },
		["qian ma zhen"] = { text = "荨麻疹", comment = "xún má zhěn" },
		["mo ju"] = { text = "模具", comment = "mú jù" },
		["cao zhi"] = { text = "草薙", comment = "cǎo tì" },
		["cao zhi jing"] = { text = "草薙京", comment = "cǎo tì jīng" },
		["cao zhi jian"] = { text = "草薙剑", comment = "cǎo tì jiàn" },
		["jia ping ao"] = { text = "贾平凹", comment = "jià píng wā" },
		["xue fo lan"] = { text = "雪佛兰", comment = "xuě fú lán" },
		["qiang jin"] = { text = "强劲", comment = "qiáng jìng" },
		["tong ti"] = { text = "胴体", comment = "dòng tǐ" },
		["li neng kang ding"] = { text = "力能扛鼎", comment = "lì néng gāng dǐng" },
		["ya lv jiang"] = { text = "鸭绿江", comment = "yā lù jiāng" },
		["da fu bian bian"] = { text = "大腹便便", comment = "dà fù pián pián" },
		["ka bo zi"] = { text = "卡脖子", comment = "qiǎ bó zi" },
		["zhi sheng"] = { text = "吱声", comment = "zī shēng" },
		["chan he"] = { text = "掺和", comment = "chān huo" },
		["chan huo"] = { text = "掺和", comment = "chān huo" },
		["can he"] = { text = "掺和", comment = "chān huo" },
		["cheng zhi"] = { text = "称职", comment = "chèn zhí" },
		["luo shi fen"] = { text = "螺蛳粉", comment = "luó sī fěn" },
		["tiao huan"] = { text = "调换", comment = "diào huàn" },
		["tai xing shan"] = { text = "太行山", comment = "tài háng shān" },
		["jie si di li"] = { text = "歇斯底里", comment = "xiē sī dǐ lǐ" },
		["nuan he"] = { text = "暖和", comment = "nuǎn huo" },
		["mo ling liang ke"] = { text = "模棱两可", comment = "mó léng liǎng kě" },
		["pan yang hu"] = { text = "鄱阳湖", comment = "pó yáng hú" },
		["bo jing"] = { text = "脖颈", comment = "bó gěng" },
		["bo jing er"] = { text = "脖颈儿", comment = "bó gěng er" },
		["jie zha"] = { text = "结扎", comment = "jié zā" },
		["hai shen wei"] = { text = "海参崴", comment = "hǎi shēn wǎi" },
		["hou pu"] = { text = "厚朴", comment = "hòu pò" },
		["da wan ma"] = { text = "大宛马", comment = "dà yuān mǎ" },
		["ci ya"] = { text = "龇牙", comment = "龇(zī)牙" },
		["ci zhe ya"] = { text = "龇着牙", comment = "龇(zī)着牙" },
		["ci ya lie zui"] = { text = "龇牙咧嘴", comment = "龇(zī)牙咧嘴" },
		-- 错字
		["pu jie"] = { text = "扑街", comment = "仆街" },
		["pu gai"] = { text = "扑街", comment = "仆街" },
		["pu jie zai"] = { text = "扑街仔", comment = "仆街仔" },
		["pu gai zai"] = { text = "扑街仔", comment = "仆街仔" },
		["ceng jin"] = { text = "曾今", comment = "曾经" },
		["an nai"] = { text = "按耐", comment = "按捺(nà)" },
		["an nai bu zhu"] = { text = "按耐不住", comment = "按捺(nà)不住" },
		["bie jie"] = { text = "别介", comment = "别价(jie)" },
		["beng jie"] = { text = "甭介", comment = "甭价(jie)" },
		["xue mai pen zhang"] = { text = "血脉喷张", comment = "血脉贲(bēn)张 | 血脉偾(fèn)张" },
		["qi ke fu"] = { text = "契科夫", comment = "契诃(hē)夫" },
		["zhao cha"] = { text = "找茬", comment = "找碴" },
		["zhao cha er"] = { text = "找茬儿", comment = "找碴儿" },
		["da jia lai zhao cha"] = { text = "大家来找茬", comment = "大家来找碴" },
		["da jia lai zhao cha er"] = { text = "大家来找茬儿", comment = "大家来找碴儿" },
		["cou huo"] = { text = "凑活", comment = "凑合(he)" },
	}	
end

function M.func(input)
	for cand in input:iter() do
		-- cand.comment 是目前输入的词汇的完整拼音
		local c = M.corrections[cand.comment]
		if c and cand.text == c.text then
			cand:get_genuine().comment = string.gsub(M.style, "{comment}", c.comment)
		elseif cand.type == "user_phrase" or cand.type == "phrase" or cand.type == "sentence" then
			cand:get_genuine().comment = ""
		end
		yield(cand)
	end
end

return M