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"
          "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"
          "年鉴已打开"
          "E 出屋"
          "E 进屋"
          "E 交谈"
          "时间"
          "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" ]

    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 }