---@class (exact) RuntimeCommandOpts
---@field id? string
---@field group? string
---@field commandGroup? string
---@field scope? string
---@field onComplete? string
---@field duration? number

---@class (exact) RuntimeAudioCommandOpts: RuntimeCommandOpts
---@field volume? number

---@class (exact) RuntimeBgmCommandOpts: RuntimeAudioCommandOpts
---@field channel? string
---@field loop? boolean

---@class (exact) RuntimeSpineCommandOpts: RuntimeCommandOpts
---@field track? integer
---@field loop? boolean
---@field queue? boolean
---@field delay? number

---@class (exact) RuntimeResourceCommandOpts: RuntimeCommandOpts
---@field failOnError? boolean

---@class RuntimeCommands
local commands = {}

---@param opts? table
---@return table
local function copy_opts(opts)
  local result = {}
  if opts ~= nil then
    for key, value in pairs(opts) do
      result[key] = value
    end
  end
  return result
end

---@param command_type RuntimeCommandType
---@param opts? table
---@return RuntimeCommand
local function with_type(command_type, opts)
  local command = copy_opts(opts)
  command.type = command_type
  return command
end

---@param text string
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.toast(text, opts)
  local command = with_type("toast", opts)
  command.text = text
  return command
end

---@param text string
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.copy_text(text, opts)
  local command = with_type("copy_text", opts)
  command.text = text
  return command
end

---@param duration number
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.delay(duration, opts)
  local command = with_type("delay", opts)
  command.duration = duration
  return command
end

---@param items RuntimeCommand[]
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.sequence(items, opts)
  local command = with_type("sequence", opts)
  command.commands = items or {}
  return command
end

---@param items RuntimeCommand[]
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.parallel(items, opts)
  local command = with_type("parallel", opts)
  command.commands = items or {}
  return command
end

---@param target string
---@param path RuntimePoint[]
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.move_path(target, path, opts)
  local command = with_type("move_path", opts)
  command.target = target
  command.path = path or {}
  return command
end

---@param target string
---@param x number
---@param y number
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.move_to(target, x, y, opts)
  local command = with_type("move_to", opts)
  command.target = target
  command.x = x
  command.y = y
  return command
end

---@param target string
---@param alpha number
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.fade_to(target, alpha, opts)
  local command = with_type("fade_to", opts)
  command.target = target
  command.alpha = alpha
  return command
end

---@param target string
---@param scale number
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.scale_to(target, scale, opts)
  local command = with_type("scale_to", opts)
  command.target = target
  command.scale = scale
  return command
end

---@param target string
---@param angle number
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.rotate_to(target, angle, opts)
  local command = with_type("rotate_to", opts)
  command.target = target
  command.angle = angle
  return command
end

---@param target string
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.remove_node(target, opts)
  local command = with_type("remove_node", opts)
  command.target = target
  return command
end

---@param target string
---@param animation string
---@param opts? RuntimeSpineCommandOpts
---@return RuntimeCommand
function commands.play_spine_animation(target, animation, opts)
  local command = with_type("play_spine_animation", opts)
  command.target = target
  command.animation = animation
  if command.loop == nil then
    command.loop = true
  end
  return command
end

---@param asset string
---@param opts? RuntimeAudioCommandOpts
---@return RuntimeCommand
function commands.play_sound(asset, opts)
  local command = with_type("play_sound", opts)
  command.asset = asset
  return command
end

---@param asset string
---@param opts? RuntimeBgmCommandOpts
---@return RuntimeCommand
function commands.play_bgm(asset, opts)
  local command = with_type("play_bgm", opts)
  command.asset = asset
  if command.channel == nil then
    command.channel = "bgm"
  end
  if command.loop == nil then
    command.loop = true
  end
  return command
end

---@param channel? string
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.pause_bgm(channel, opts)
  local command = with_type("pause_bgm", opts)
  command.channel = channel or "bgm"
  return command
end

---@param channel? string
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.resume_bgm(channel, opts)
  local command = with_type("resume_bgm", opts)
  command.channel = channel or "bgm"
  return command
end

---@param channel? string
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.stop_bgm(channel, opts)
  local command = with_type("stop_bgm", opts)
  command.channel = channel or "bgm"
  return command
end

---@param group string
---@param opts? RuntimeResourceCommandOpts
---@return RuntimeCommand
function commands.preload_group(group, opts)
  local command = with_type("preload_resources", opts)
  command.group = group
  return command
end

---@param group string
---@param opts? RuntimeCommandOpts
---@return RuntimeCommand
function commands.evict_group(group, opts)
  local command = with_type("evict_resources", opts)
  command.group = group
  return command
end

---@param id string
---@return RuntimeCommand
function commands.cancel_id(id)
  return { type = "cancel_commands", id = id }
end

---@param group string
---@return RuntimeCommand
function commands.cancel_group(group)
  return { type = "cancel_commands", group = group }
end

---@param scope string
---@return RuntimeCommand
function commands.cancel_scope(scope)
  return { type = "cancel_commands", scope = scope }
end

return commands