-- 显示玩家间距离
-- Edit by chengy

PlayerDistanceView = {}

local M = PlayerDistanceView

function PlayerDistanceView.new(show_warning,style,callback)
    setmetatable(M, {__index = BaseWindow})
    local self = setmetatable({}, {__index = M})
    self.class = "PlayerDistanceView"
    self._close_destroy = false
    self._close_zone = true
    self.callback = callback
    self:init("ui://Common/com_Distance", show_warning,style)
    return self
end
function M:init(url, show_warning,style)
    BaseWindow.init(self,url)
    local _mainView = self._view  
    self._view:GetChild("btn_close2").onClick:Add(function()
        self:Destroy()
    end)
    self:ShowPlayerDistance()
    if show_warning then
        self._view:GetController("warn").selectedIndex = 1
    end
    style = style or 0
    self._view:GetController("style").selectedIndex = style

    --[[self._view:GetChild("btn_exit").onClick:Set(function()
        if self.callback then
            self.callback(false)
        end
    end)--]]
    self._view:GetChild("btn_continue").onClick:Set(function()
        if self.callback then
            self.callback(true)
        end
    end)
end

function M:ShowPlayerDistance()
    local room = DataManager.CurrenRoom
    local view = self._view
    local num = room.room_config.people_num
    local list = room.player_list
    view:GetController("people").selectedIndex = num - 2
    local com_dist = view:GetChild("dist_p" .. num)
    local p_list = {}
    local isHidden = false
    if room and room.playback ~= true and room.room_config and room.room_config.isHidden then
        isHidden = room.room_config.isHidden == 1
    end

    for i = 1, #list do
        local u = list[i].self_user
        local index = ViewUtil.GetPos(room.self_player.seat, list[i].seat, room.room_config.people_num)
        local btn_head = com_dist:GetChild("btn_head" .. index)

        if isHidden == false then
            ImageLoad.Load(u.head_url, btn_head._iconObject)
        end    
        p_list[index] = list[i]
        if not u.location or u.location.default then
            com_dist:GetChild("p" .. index).grayed = true
        end
    end
    -- 需要计算的距离数量
    local dis_num = 0
    for i = 1, num - 1 do
        dis_num = dis_num + i
    end
    -- 第一个人需要与（所有人 - 1）人比，第二个人需要与（所有人 - 2）人比，以此类推
    for i = 1, dis_num do
        local text_dist = com_dist:GetChild("text_dest" .. i)
        local tem = 0
        -- 判断第i个距离是哪两个user间的
        local player1, player2
        for j = 1, num - 1 do
            local tem2 = tem + num - j
            if i <= tem2 then
                player1 = p_list[j]
                player2 = p_list[j + i - tem]
                local line = com_dist:GetChild("line" .. i)
                self:ShowDistanceDetail(player1, player2, text_dist, line, com_dist)
                break
            end
            tem = tem2
        end
    end
end

function M:ShowDistanceDetail(player1, player2, text_dist, line, com_dist)
    local str = ""
    local warn_color = self._view:GetChild("tex_warning").color
    local change_color = false
    if not player1 or not player2 then
        str = "未知"
        change_color = true
    else
        local user1 = player1.self_user
        local user2 = player2.self_user
        if (user1.location and not user1.location.default) and (user2.location and not user2.location.default) then
            local dist = user1.location:CalcDistance(user2.location)
            if dist > 1 then
                str = math.floor(dist + 0.5) .. "km"
            else
                str = math.floor(dist*1000+0.5) .. "m"
            end
            if dist < 0.2 then
                change_color = true
            end
        else
            str = "未知"
            change_color = true
        end
    end
    text_dist.text = str
    if change_color then
        text_dist.color = warn_color
        line.color = warn_color
    end
end

return M