-- 检测牌是否存在
local function checkCard(eventCard, cardList, num)
    if num == nil then
        num = 1
    end
    local result = 0
    for i = 1, #cardList do
        if (cardList[i] == eventCard) then
            result = result + 1
            if (result == num) then
                return true
            end
        end
    end
    return false
end

-- 移除指定数量的牌
local function removeCard(cardList, card, count)
    for i = 1, count do
        list_remove(cardList, card)
    end
end

local function checkCardAndRomve(eventCard, cardList, num)
    if (checkCard(eventCard, cardList, num)) then
        removeCard(cardList, eventCard, num)
        return true
    end
    return false
end

-- 获取列表中牌数量
local function cardNum(eventCard, cardList)
    local result = 0
    for i = 1, #cardList do
        local card = cardList[i]
        if (card == eventCard) then
            result = result + 1
        end
    end
    return result
end

local M = {
    pair_count = 0,
    cardList = nil,
    stack = nil,
    stackHuxi = nil
}

function M:push(cardGroup)
    self.stack[#self.stack + 1] = cardGroup
end

function M:pushhuxi(cardGroup)
    self.stackHuxi[#self.stackHuxi + 1] = cardGroup
end

function M:rollBack()
    local cardGroup = self.stack[#self.stack]
    table.remove(self.stack, #self.stack)
    for _, card in ipairs(cardGroup) do
        self.cardList[#self.cardList + 1] = card
    end
    table.sort(self.cardList)
end

-- 顺子
function M:tryShunzi1(card, player)
    if card < 300 and card % 100 > 8 then
        return false
    end
    if (checkCard(card + 1, self.cardList) and checkCard(card + 2, self.cardList)) then
        removeCard(self.cardList, card + 1, 1)
        removeCard(self.cardList, card + 2, 1)
        removeCard(self.cardList, card, 1)
        local cardGroup = { card, card + 1, card + 2 }
        self:push(cardGroup)
        local _huxi = 0
        if card == 101 then
            _huxi = 3
        end
        if card == 201 then
            _huxi = 6
        end
        self:pushhuxi(_huxi)
        return true
    end
    return false
end

-- 大大小  小小大
function M:tryShunzi2(card)
    if card - card % 100 == 100 then
        if checkCard(card + 100, self.cardList, 1) and checkCard(card, self.cardList, 2) then
            removeCard(self.cardList, card, 2)
            removeCard(self.cardList, card + 100, 1)
            local cardGroup = { card, card, card + 100 }
            self:push(cardGroup)
            self:pushhuxi(0)
            return true
        end
        if (checkCard(card + 100, self.cardList, 2)) and (checkCard(card, self.cardList, 1)) then
            removeCard(self.cardList, card, 1)
            removeCard(self.cardList, card + 100, 2)
            local cardGroup = { card, card + 100, card + 100 }
            self:push(cardGroup)
            self:pushhuxi(0)
            return true
        end
    else
        if (checkCard(card - 100, self.cardList, 1)) and checkCard(card, self.cardList, 2) then
            removeCard(self.cardList, card, 2)
            removeCard(self.cardList, card - 100, 1)
            local cardGroup = { card - 100, card, card }
            self:push(cardGroup)
            self:pushhuxi(0)
            return true
        end
        if (checkCard(card - 100, self.cardList, 2)) and checkCard(card, self.cardList, 1) then
            removeCard(self.cardList, card, 1)
            removeCard(self.cardList, card - 100, 2)
            local cardGroup = { card, card - 100, card - 100 }
            self:push(cardGroup)
            self:pushhuxi(0)
            return true
        end
    end
    ---- print(card)
    return false
    -- body
end

-- 2 7 10
function M:tryShunzi3(card, player)
    if card % 100 == 2 then
        if (checkCard(card + 5, self.cardList, 1)) and (checkCard(card + 8, self.cardList, 1)) then
            removeCard(self.cardList, card, 1)
            removeCard(self.cardList, card + 5, 1)
            removeCard(self.cardList, card + 8, 1)
            local cardGroup = { card, card + 5, card + 8 }
            self:push(cardGroup)
            local _huxi = 0
            if card == 102 then
                _huxi = 3
            elseif card == 202 then
                _huxi = 6
            end
            self:pushhuxi(_huxi)
            return true
        end
    end
    return false
end

-- 坎
function M:tryKezi(card, player)
    if (checkCard(card, self.cardList, 3)) then
        removeCard(self.cardList, card, 3)
        local cardGroup = { card, card, card }
        self:push(cardGroup)
        local _huxi = 0
        if card < 200 then
            _huxi = 1
        else
            _huxi = 3
        end
        self:pushhuxi(_huxi)
        return true
    end
    -- -- print(card)
    return false
end

function M:tryPair(card)
    if (self.pair_count > 0) then
        return false
    end
    if (checkCard(card, self.cardList, 2)) then
        removeCard(self.cardList, card, 2)
        local cardGroup = { card, card }
        self:push(cardGroup)
        self.pair_count = 1
        return true
    end
    -- -- print(card)
    return false
end

function M:tryWin(player)
    if #self.cardList == 0 then
        if (player.tiCount + player.paoCount + self.kong_count > 0) then
            if (self.pair_count == 1) then
                return true
            end
            return false
        else
            if (self.pair_count > 0) then
                return false
            end
            return true
        end
    end
    local activeCard = 0
    for i = 1, #self.cardList do
        if (self.cardList[i] == 201 or self.cardList[i] == 202) then
            activeCard = self.cardList[i]
            break
        end
    end
    if (activeCard == 0) then
        activeCard = self.cardList[1]
    end
    if (activeCard % 100 == 1) then
        if self:tryShunzi1(activeCard, player) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
        if self:tryKezi(activeCard, player) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
        if (player.tiCount + player.paoCount + self.kong_count > 0) then
            if self:tryPair(activeCard) then
                if self:tryWin(player) then
                    return true
                end
                self.pair_count = 0
                self:rollBack()
            end
        end
        if self:tryShunzi2(activeCard) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
    elseif activeCard % 100 == 2 then
        if self:tryShunzi3(activeCard, player) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
        if self:tryKezi(activeCard, player) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
        if player.tiCount + player.paoCount + self.kong_count > 0 then
            if self:tryPair(activeCard) then
                if self:tryWin(player) then
                    return true
                end
                self.pair_count = 0
                self:rollBack()
            end
        end
        if self:tryShunzi1(activeCard, player) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
        if self:tryShunzi2(activeCard) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
    else
        if self:tryKezi(activeCard, player) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
        if player.tiCount + player.paoCount + self.kong_count > 0 then
            if self:tryPair(activeCard) then
                if self:tryWin(player) then
                    return true
                end
                self.pair_count = 0
                self:rollBack()
            end
        end
        if self:tryShunzi2(activeCard) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
        if self:tryShunzi1(activeCard, player) then
            if self:tryWin(player) then
                return true
            end
            self:rollBack()
            table.remove(self.stackHuxi, #self.stackHuxi)
        end
    end
    return false
end

local function init(self, player, cardInhand, addCard)
    self.stack = {}
    self.stackHuxi = {}
    self.pair_count = 0
    self.kong_count = 0
    self.cardList = membe_clone(cardInhand)
    if addCard == nil then
        self.kong_count = 1
    else
        self.kong_count = 0
        self.cardList[#self.cardList + 1] = addCard
    end
    table.sort(self.cardList)
    return self:tryWin(player)
end

function M.tingPai(player, room)
    local self = setmetatable({}, { __index = M })
    local tingList = {}
    local cardInhand = player.handcard_list
    if not cardInhand or #cardInhand == 0 then
        return tingList
    end
    local kan_huxi = 0
    local kan_cards = {}
    for j = 1, #player.fz_list do
        for i = 1, #cardInhand do
            if cardInhand[i] == player.fz_list[j].active_card and player.fz_list[j].type == 3 then
                kan_cards[#kan_cards + 1] = cardInhand[i]
                break
            end
        end
    end
    if #kan_cards > 0 then
        for i = 1, #kan_cards do
            if kan_cards[i] > 200 then
                kan_huxi = kan_huxi + 6
            else
                kan_huxi = kan_huxi + 3
            end
            removeCard(cardInhand, kan_cards[i], 3)
        end
    end
    player.tiCount = 0
    player.paoCount = 0
    if #player.fz_list > 0 then
        for i = 1, #player.fz_list do
            if player.fz_list[i].type == 6 then
                player.paoCount = player.paoCount + 1
            elseif player.fz_list[i].type == 7 then
                player.tiCount = player.tiCount + 1
            end
        end
    end
    for k = 100, 200, 100 do
        for i = 1, 10 do
            local tem = k + i
            local result = init(self, player, cardInhand, tem)
            local num = 0
            for k = 1, #self.stackHuxi do
                num = num + self.stackHuxi[k]
            end
            if result == false or (player.hu_xi + num + kan_huxi) < (self:getHuxi(room)) then
                if #player.fz_list > 0 then
                    for k = 1, #player.fz_list do
                        if tem == player.fz_list[k].active_card then
                            local ctype = player.fz_list[k].type
                            if ctype == 2 or ctype == 3 or ctype == 4 or ctype == 5 then
                                local paohu = init(self, player, cardInhand)
                                if paohu then
                                    local num2 = 0
                                    for j = 1, #self.stackHuxi do
                                        num2 = num2 + self.stackHuxi[j]
                                    end
                                    if
                                        (num2 + player.hu_xi + kan_huxi + self:GetFzData(tem, ctype)) >=
                                        (self:getHuxi(room))
                                    then
                                        tingList[#tingList + 1] = tem
                                    end
                                end
                            end
                        end
                    end
                end
            else
                local num1 = 0
                for k = 1, #self.stackHuxi do
                    num1 = num1 + self.stackHuxi[k]
                end
                if (player.hu_xi + num1 + kan_huxi) >= (self:getHuxi(room)) then
                    tingList[#tingList + 1] = tem
                end
            end
        end
    end
    return tingList
end

function M:getHuxi(room)
    if room.game_id == 301 then
        return 8
    end
    if room.game_id == 15 then
        return 15
    end
    if room.game_id == 13 or room.game_id == 14 or room.game_id == 23 then
        return 15
    elseif room.game_id == 26 then
        return 10
    elseif room.game_id == 29 then
        if room.room_config.maxPlayers == 3 then
            return 15
        else
            return 9
        end
    end
end

function M:GetFzData(tem, ctype)
    local huxi
    if ctype == 2 then
        if tem > 200 then
            huxi = 6
        else
            huxi = 5
        end
    elseif ctype == 3 then
        huxi = 3
    elseif ctype == 4 then
        huxi = 3
    elseif ctype == 5 then
        huxi = 3
    end
    return huxi
end

return M