import { Context, TranslationMappings } from '../types'

const translators = {
  headings: (input: string, ctx: Context): string => {
    return translator(input, ctx, [
      // Minecraft.net titles
      [/Block of the Week: /gi, '本周方块：'],
      [/Taking Inventory: /gi, '背包盘点：'],
      [/Around the Block: /gi, '群系漫游：'],
      [/A Minecraft Java Snapshot/gi, 'Minecraft Java版 快照'],
      [/A Minecraft Java Pre-Release/gi, 'Minecraft Java版 预发布版'],
      [/A Minecraft Java Release Candidate/gi, 'Minecraft Java版 候选版本'],
      // Bedrock Edition titles
      [
        /Minecraft Beta (?:-|——) (.*?) \((.*?)\)/gi,
        'Minecraft 基岩版 Beta $1（$2）',
      ],
      [
        /Minecraft Beta & Preview - (.*?)/g,
        'Minecraft 基岩版 Beta & Preview $1',
      ],
      [/Minecraft (?:-|——) (.*?) \(Bedrock\)/gi, 'Minecraft 基岩版 $1'],
      [
        /Minecraft (?:-|——) (.*?) \((.*?) Only\)/gi,
        'Minecraft 基岩版 $1（仅$2）',
      ],
      [/Minecraft (?:-|——) (.*?) \((.*?)\)/gi, 'Minecraft 基岩版 $1（仅$2）'],

      // BE subheadings
      [/Marketplace/gi, '市场'],
      [/Data-Driven/gi, '数据驱动'],
      [/Graphical/gi, '图像'],
      [/Player/gi, '玩家'],
      [/Experimental Features/gi, '实验性特性'],
      [/Mobs/gi, '生物'],
      [/Features and Bug Fixes/gi, '特性和漏洞修复'],
      [/Stability and Performance/gi, '稳定性和性能'],
      [/Accessibility/gi, '辅助功能'],
      [/Gameplay/gi, '玩法'],
      [/Items/gi, '物品'],
      [/Blocks/gi, '方块'],
      [/User Interface/gi, '用户界面'],
      [/Commands/gi, '命令'],
      [/Known Issues/gi, '已知问题'],
      [/Technical Updates/gi, '技术性更新'],
      [/Character Creator/gi, '角色创建器'],
      [/Text Components/gi, '文本组件'],
      [/Components/gi, '组件'],
      [/General/gi, '通用'],
      [/Technical Experimental/gi, '实验性技术性更新'],
      [/Gametest Framework/gi, 'Gametest 框架'],
      [/Gametest Framework (experimental)/gi, 'Gametest 框架（实验性）'],
      // JE subheadings
      [/Minecraft Snapshot /gi, 'Minecraft 快照 '],
      [/ Pre-Release /gi, '-pre'],
      [/ Release Candidate /gi, '-rc'],
      [/Release Candidate/gi, '候选版本'],
      [/New Features in ([^\r\n]+)/gi, '$1 的新增特性'],
      [/Technical changes in ([^\r\n]+)/gi, '$1 的技术性修改'],
      [/Changes in ([^\r\n]+)/gi, '$1 的修改内容'],
      [/Fixed bugs in ([^\r\n]+)/gi, '$1 修复的漏洞'],
    ])
  },
  imgCredits: (input: string, ctx: Context) => {
    return translator(input, ctx, [
      // Creative Commons image credits
      [/Image credit:/gi, '图片来源：'],
      [/CC BY-NC-ND/gi, '知识共享 署名-非商业性使用-禁止演绎'],
      [/CC BY-NC-SA/gi, '知识共享 署名-非商业性使用-相同方式共享'],
      [/CC BY-NC/gi, '知识共享 署名-非商业性使用'],
      [/CC BY-ND/gi, '知识共享 署名-禁止演绎'],
      [/CC BY-SA/gi, '知识共享 署名-相同方式共享'],
      [/CC BY/gi, '知识共享 署名'],
      [/Public Domain/gi, '公有领域'],
    ])
  },
  punctuation: (input: string, ctx: Context) => {
    return translator(
      input,
      ctx,
      [
        [/\[i\]/gi, '[font=楷体]'],
        [/\[\/i\]/g, '[/font]'],
        ...(ctx.disablePunctuationConverter
          ? []
          : ([
              [/,( |$)/g, '，'],
              [/!( |$)/g, '！'],
              [/\.\.\.( |$)/g, '…'],
              [/\.( |$)/g, '。'],
              [/\?( |$)/g, '？'],
              [/( |^)-( |$)/g, ' —— '],
            ] as [RegExp, string][])),
      ],
      (input: string) => {
        return quoteTreatment(input, [['“', '”', /"/]])
      }
    )
  },
}

export default function translate(
  input: string,
  ctx: Context,
  type: (keyof typeof translators)[] | keyof typeof translators
): string {
  if (typeof type === 'string') {
    type = [type]
  }
  for (const t of type) {
    input = translators[t](input, ctx)
  }
  return input
}

function quoteTreatment(
  input: string,
  quoteArrays: [string, string, RegExp][]
) {
  for (const quoteArray of quoteArrays) {
    const split = input.split(quoteArray[2])
    input = ''
    for (let i = 0; i < split.length - 1; i++) {
      const element = split[i]
      input += element + quoteArray[i % 2]
    }
    input += split[split.length - 1]
  }
  return input
}

function translator(
  input: string,
  ctx: Context,
  mappings: TranslationMappings,
  treatment: (input: string, ctx: Context) => string = (input) => input
): string {
  // REPLACE!!!!1
  for (const mapping of mappings) {
    input = input.replace(mapping[0], mapping[1])
  }
  treatment(input, ctx)

  return input
}