namespace LivingVillage.Desktop

open System

module ChineseText =

    type SceneKind =
        | VillageScene
        | Waterway
        | WhiteWallHome
        | StoneBridgeScene
        | BambooGrove
        | VegetableGardenScene

    type DayNightKind =
        | DayTime
        | NightTime

    type MenuHeadingKind =
        | MainMenuHeading
        | SettingsHeading
        | ControlsHeading

    type StatusHeadingKind =
        | StatusHeading
        | ReadyStatus
        | PausedStatus

    type ChineseCopy =
        { SceneTitle: string
          Ready: string }

    type TextLayout =
        { Lines: string list
          MissingGlyphs: char list }

    let sceneLabel scene =
        match scene with
        | VillageScene -> "江南水乡"
        | Waterway -> "水道"
        | WhiteWallHome -> "白墙黛瓦民居"
        | StoneBridgeScene -> "石桥"
        | BambooGrove -> "竹林"
        | VegetableGardenScene -> "菜圃"

    let dayNightLabel time =
        match time with
        | DayTime -> "白天"
        | NightTime -> "夜晚"

    let menuHeading heading =
        match heading with
        | MainMenuHeading -> "主菜单"
        | SettingsHeading -> "设置"
        | ControlsHeading -> "操作说明"

    let statusHeading status =
        match status with
        | StatusHeading -> "状态"
        | ReadyStatus -> "准备就绪"
        | PausedStatus -> "已暂停"

    let copy : ChineseCopy =
        { SceneTitle = "江南水乡"
          Ready = "准备就绪" }

    let requiredUiLabels : string list =
        [ "江南水乡"
          "水道"
          "白墙黛瓦民居"
          "石桥"
          "竹林"
          "菜圃"
          "白天"
          "夜晚"
          "主菜单"
          "设置"
          "操作说明"
          "状态"
          "准备就绪"
          "已暂停"
          "继续游戏"
          "开始新游戏"
          "读取存档"
          "退出"
          "开始"
          "读档"
          "继续"
          "ESC 或 空格 跳过"
          "移动"
          "互动"
          "对话"
          "观察"
          "需求"
          "年鉴"
          "关系"
          "暂停"
          "速度"
          "保存"
          "读取"
          "菜单或关闭"
          "选择"
          "确认"
          "村庄"
          "饥饿"
          "精力"
          "社交"
          "金钱"
          "最紧迫"
          "无记录"
          "交易"
          "交易成功"
          "交易失败"
          "报价"
          "总价"
          "进入民居"
          "离开民居"
          "民居内景"
          "请选择对话方式"
          "对话完成"
          "对话失败"
          "年鉴面板已打开"
          "E 出屋"
          "E 进屋"
          "E 交谈"
          "时间"
          "时段"
          "倍速"
          "体力"
          "钱币"
          "清晨"
          "黄昏"
          "互动已记录"
          "1倍速"
          "2倍速"
          "5倍速"
          "暂无记录"
          "暂无数据"
          "范围内暂无村民"
          "交易记录"
          "状态已更新"
          "UP DOWN 选择 ENTER 确认"
          "ENTER 应用 ESC 返回"
          "ENTER ESC 返回"
          "ESC 返回"
          "当前"
          "读取失败"
          "暂无存档"
          "需求面板已打开"
          "需求面板已关闭"
          "面板已关闭"
          "已进入民居"
          "已离开民居"
          "保存成功"
          "保存失败"
          "观察完成"
          "当前没有可用对话"
          "对话选项无效"
          "附近没有可互动目标"
          "闲聊"
          "求助"
          "提议交易"
          "讲笑话"
          "道歉"
          "挑衅"
          "友好"
          "乐于助人"
          "讨价还价"
          "开心"
          "原谅"
          "敌意"
          "保留"
          "拒绝"
          "恼怒"
          "找不到目标"
          "目标不在范围内"
          "目标暂时无法互动"
          "找不到买家"
          "找不到卖家"
          "买家和卖家不能是同一人"
          "数量必须大于零"
          "库存不足"
          "资金不足"
          "传闻"
          "传播"
          "层"
          "村民"
          "使用"
          "回应"
          "从"
          "获得"
          "单价"
          "食物"
          "关闭"
          "天数"
          "金钱"
          "精力"
          "选择职业"
          "暂不选择"
          "农夫"
          "渔夫"
          "货郎"
          "书生"
          "任务"
          "今日暂无任务"
          "无职业"
          "待接受"
          "进行中"
          "已完成"
          "已失败"
          "送粮"
          "帮工"
          "翻土"
          "夜捕"
          "卖渔"
          "询价"
          "收货"
          "转卖"
          "观察记事"
          "论理"
          "自家地块"
          "→"
          "剧情线"
          "雨水与年成"
          "水位与收成"
          "新货的路子"
          "庙前的争论"
          "未开始"
          "已接任务"
          "走访中"
          "已收束"
          "耕田"
          "打渔"
          "贩货"
          "读书"
          "以耕田为生"
          "以打渔为生"
          "以贩货为生"
          "以读书为生"
          "接了件事：雨水与年成，得去村里多问问"
          "接了件事：水位与收成，得去村里多问问"
          "接了件事：新货的路子，得去村里多问问"
          "接了件事：庙前的争论，得去村里多问问"
          "走访了几户人家，改日再问"
          "雨水与年成有了结果：乡邻都说雨水匀，今年差不了"
          "雨水与年成有了结果：雨水尚可，年成将就，照旧耕作"
          "雨水与年成有了结果：问不出准信，年成只能看天"
          "水位与收成有了结果：乡邻说得真切，水位稳了，收成坏不了"
          "水位与收成有了结果：众说平常，水位尚可，收成将就"
          "水位与收成有了结果：问了几家都淡淡的，水情还得自己看"
          "新货的路子有了结果：乡邻热心指路，新货不愁卖"
          "新货的路子有了结果：说法平常，先小量试卖"
          "新货的路子有了结果：各家都淡淡的，路子还得自己闯"
          "庙前的争论有了结果：各说各理，事有分晓"
          "庙前的争论有了结果：众说纷纭，暂无定论"
          "庙前的争论有了结果：无人理会，先记在册上" ]

    let layoutText (maxWidth: int) (supported: Set<char>) (text: string) : TextLayout =
        let width = max 1 maxWidth
        let normalized, missing =
            text
            |> Seq.fold
                (fun (characters, missingGlyphs) character ->
                    if Set.contains character supported then
                        character :: characters, missingGlyphs
                    else
                        '□' :: characters, character :: missingGlyphs)
                ([], [])

        { Lines =
            normalized
            |> List.rev
            |> List.chunkBySize width
            |> List.map (fun line -> new String(Array.ofList line))
          MissingGlyphs = List.rev missing }