const dict: Record<string, string> = {
  "session.todo.title": "Todos",
  "session.todo.collapse": "Collapse todos",
  "session.todo.expand": "Expand todos",
  "session.revertDock.summary.one": "{{count}} rolled back message",
  "session.revertDock.summary.other": "{{count}} rolled back messages",
  "session.revertDock.collapse": "Collapse rolled back messages",
  "session.revertDock.expand": "Expand rolled back messages",
  "session.revertDock.restore": "Restore message",
  "prompt.loading": "Loading prompt...",
  "prompt.placeholder.normal": "Ask anything...",
  "prompt.placeholder.simple": "Ask anything...",
  "prompt.placeholder.shell": "Enter shell command... {{example}}",
  "prompt.placeholder.summarizeComment": "Summarize this comment",
  "prompt.placeholder.summarizeComments": "Summarize these comments",
  "prompt.action.attachFile": "Attach files",
  "prompt.action.send": "Send",
  "prompt.action.stop": "Stop",
  "prompt.attachment.remove": "Remove attachment",
  "prompt.dropzone.label": "Drop image to attach",
  "prompt.dropzone.file.label": "Drop file to attach",
  "prompt.mode.shell": "Shell",
  "prompt.mode.normal": "Prompt",
  "dialog.model.select.title": "Select model",
  "dialog.model.unpaid.freeModels.title": "Free models provided by OpenCode",
  "dialog.model.unpaid.addMore.title": "Add more models from popular providers",
  "dialog.model.unpaid.viewMoreProviders": "See 70+ more providers",
  "dialog.provider.opencode.tagline": "Reliable optimized models",
  "dialog.provider.opencodeGo.tagline": "Low cost subscription for everyone",
  "dialog.provider.custom.label": "Custom OpenAI-compatible provider",
  "dialog.provider.search.placeholder": "Search providers",
  "dialog.provider.empty": "No providers found",
  "dialog.provider.group.popular": "Popular",
  "dialog.provider.group.other": "Other",
  "dialog.provider.tag.recommended": "Recommended",
  "settings.providers.tag.custom": "Custom",
  "command.provider.connect": "Connect provider",
  "provider.connect.title": "Connect {{provider}}",
  "provider.connect.selectMethod": "Select login method for {{provider}}.",
  "provider.connect.method.apiKey": "API key",
  "provider.connect.apiKey.description":
    "Enter your {{provider}} API key to connect your account and use {{provider}} models in OpenCode.",
  "provider.connect.apiKey.label": "{{provider}} API key",
  "provider.connect.apiKey.placeholder": "API key",
  "provider.connect.apiKey.required": "API key is required",
  "provider.connect.opencodeZen.line1":
    "OpenCode Zen gives you access to a curated set of reliable optimized models for coding agents.",
  "provider.connect.opencodeZen.line2":
    "With a single API key you'll get access to models such as Claude, GPT, Gemini, GLM and more.",
  "provider.connect.opencodeZen.visit.prefix": "Visit ",
  "provider.connect.opencodeZen.visit.link": "opencode.ai/zen",
  "provider.connect.opencodeZen.visit.suffix": " to collect your API key.",
  "provider.connect.oauth.code.visit.prefix": "Visit ",
  "provider.connect.oauth.code.visit.link": "this link",
  "provider.connect.oauth.code.visit.suffix":
    " to collect your authorization code to connect your account and use {{provider}} models in OpenCode.",
  "provider.connect.oauth.code.label": "{{method}} authorization code",
  "provider.connect.oauth.code.placeholder": "Authorization code",
  "provider.connect.oauth.code.required": "Authorization code is required",
  "provider.connect.oauth.code.invalid": "Invalid authorization code",
  "provider.connect.oauth.auto.visit.prefix": "Visit ",
  "provider.connect.oauth.auto.visit.link": "this link",
  "provider.connect.oauth.auto.visit.suffix":
    " and enter the code below to connect your account and use {{provider}} models in OpenCode.",
  "provider.connect.oauth.auto.confirmationCode": "Confirmation code",
  "provider.connect.status.inProgress": "Authorization in progress...",
  "provider.connect.status.waiting": "Waiting for authorization...",
  "provider.connect.status.failed": "Authorization failed: {{error}}",
  "provider.connect.toast.connected.title": "{{provider}} connected",
  "provider.connect.toast.connected.description": "{{provider}} models are now available to use.",
  "common.continue": "Continue",
  "model.tag.free": "Free",
  "model.tag.latest": "Latest",
  "model.input.text": "text",
  "model.input.image": "image",
  "model.input.audio": "audio",
  "model.input.video": "video",
  "model.input.pdf": "pdf",
  "model.tooltip.context.label": "Context",
  "model.tooltip.inputs": "Inputs",
  "model.tooltip.model": "Model",
  "model.tooltip.provider": "Provider",
  "model.tooltip.reasoning": "Reasoning",
  "model.tooltip.reasoning.allowed": "Allows reasoning",
  "model.tooltip.reasoning.none": "No reasoning",
  "common.close": "Close",
  "common.goBack": "Go back",
  "common.default": "Default",
  "common.key.esc": "Esc",
  "command.category.file": "File",
  "command.category.session": "Session",
  "command.agent.cycle": "Cycle agent",
  "command.model.choose": "Choose model",
  "command.model.variant.cycle": "Cycle model variant",
  "command.prompt.mode.shell": "Switch to shell mode",
  "command.prompt.mode.normal": "Switch to prompt mode",
  "command.permissions.autoaccept.enable": "Enable auto-accept",
  "command.permissions.autoaccept.disable": "Disable auto-accept",
  "prompt.example.1": "Refactor this function and keep behavior the same",
  "prompt.example.2": "Find the root cause of this error",
  "prompt.example.3": "Write tests for this module",
  "prompt.example.4": "Explain this diff",
  "prompt.example.5": "Optimize this query",
  "prompt.example.6": "Clean up this component",
  "prompt.example.7": "Summarize the recent changes",
  "prompt.example.8": "Add accessibility checks",
  "prompt.example.9": "Review this API design",
  "prompt.example.10": "Generate migration notes",
  "prompt.example.11": "Patch this bug",
  "prompt.example.12": "Make this animation smoother",
  "prompt.example.13": "Improve error handling",
  "prompt.example.14": "Document this feature",
  "prompt.example.15": "Refine these styles",
  "prompt.example.16": "Check edge cases",
  "prompt.example.17": "Help me write a commit message",
  "prompt.example.18": "Reduce re-renders in this component",
  "prompt.example.19": "Verify keyboard navigation",
  "prompt.example.20": "Make this copy clearer",
  "prompt.example.21": "Add telemetry for this flow",
  "prompt.example.22": "Compare these two implementations",
  "prompt.example.23": "Create a minimal reproduction",
  "prompt.example.24": "Suggest naming improvements",
  "prompt.example.25": "What should we test next?",
}

const plurals = new Intl.PluralRules("en-US")

function render(template: string, params?: Record<string, unknown>) {
  if (!params) return template
  return template.replace(/\{\{([^}]+)\}\}/g, (_, key: string) => {
    const value = params[key.trim()]
    if (value === undefined || value === null) return ""
    // oxlint-disable-next-line no-base-to-string -- value is Record<string, unknown>, always coerced intentionally
    return String(value)
  })
}

export function useLanguage() {
  return {
    locale: () => "en" as const,
    intl: () => "en-US",
    t(key: string, params?: Record<string, unknown>) {
      return render(dict[key] ?? key, params)
    },
    plural(key: string, count: number, params?: Record<string, unknown>) {
      const value = dict[`${key}.${plurals.select(count)}`] ?? dict[`${key}.other`] ?? key
      return render(value, { ...params, count })
    },
  }
}