use crate::commands::GroupAction;
use clap::{Parser, Subcommand, ValueEnum};
use clap_complete::Shell;
#[derive(Parser)]
#[command(
name = "denki",
about = "Control TP-Link Kasa and Tapo devices from the terminal",
version,
after_help = "Start here:\n denki scan\n denki aliases\n denki info \"desk plug\"\n denki doctor \"desk plug\"\n\nTapo P125: add an alias with --tapo, then run denki login EMAIL.\nUse --json for one result; energy watch streams JSONL with --json.\nUse energy watch --format csv for spreadsheets; do not combine it with --json.\nOnly commands supported by the selected device are available.\nKasa scan names need explicit enrollment with denki alias NAME IP.\nSet DENKI_REQUIRE_TPAP=1 to reject KLAP fallback before authentication.\nHuman output escapes terminal controls; unsafe aliases have no command hints.\nGuide: https://kahwee.github.io/denki/"
)]
pub struct Cli {
/// Emit versioned JSON (energy watch streams JSONL); progress goes to stderr
#[arg(long, global = true)]
pub json: bool,
#[command(subcommand)]
pub command: Command,
}
#[derive(Subcommand, Debug)]
pub enum Command {
/// Observe Kasa devices without enrolling names; probe saved Tapo aliases
///
/// Kasa discovery cannot authenticate names or addresses. Verify each device's IP
/// independently, then update its saved name with `denki alias NAME IP`.
Scan {
#[arg(short, long, default_value = "5")]
timeout: u64,
/// Probe a Tapo IP using its saved protocol, or auto TPAP/KLAP for a new IP
#[arg(long, value_name = "IP")]
tapo_target: Vec<std::net::IpAddr>,
},
/// Show detailed info about a device
Info {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// Check reachability, protocol, parsing, and advertised capabilities
Doctor {
/// Device name, saved alias, or IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// Turn a device on
On {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Outlet number, 1-based (strips only)
#[arg(value_parser = clap::value_parser!(u8).range(1..))]
outlet: Option<u8>,
},
/// Turn a device off
Off {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Outlet number, 1-based (strips only)
#[arg(value_parser = clap::value_parser!(u8).range(1..))]
outlet: Option<u8>,
},
/// Toggle a device on/off
Toggle {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Outlet number, 1-based (strips only)
#[arg(value_parser = clap::value_parser!(u8).range(1..))]
outlet: Option<u8>,
},
/// Apply on/off/toggle to matching aliases (Kasa requires explicit alias enrollment)
Group {
#[arg(value_enum)]
action: GroupAction,
/// Alias pattern used for group matching (normalized, case- and punctuation-insensitive)
#[arg(value_name = "PATTERN")]
pattern: String,
/// Show matched aliases without changing device state
#[arg(long)]
dry_run: bool,
/// Maximum number of devices controlled at once
#[arg(long, default_value_t = 4, value_parser = clap::value_parser!(u8).range(1..=32))]
concurrency: u8,
},
/// Set brightness 0-100 (bulbs and HS220 dimmers)
Dim {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
#[arg(value_parser = clap::value_parser!(u8).range(0..=100))]
level: u8,
},
/// Set color temperature in Kelvin 2500-9000 (bulbs only)
ColorTemp {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
#[arg(value_parser = clap::value_parser!(u16).range(2500..=9000))]
kelvin: u16,
},
/// Set HSV color (bulbs only)
Color {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Hue 0-360°
#[arg(long, short = 'H', value_parser = clap::value_parser!(u16).range(0..=360))]
hue: u16,
/// Saturation 0-100%
#[arg(long, short = 's', value_parser = clap::value_parser!(u8).range(0..=100))]
saturation: u8,
/// Value (brightness) 0-100%
#[arg(long, short = 'v', value_parser = clap::value_parser!(u8).range(0..=100))]
value: u8,
},
/// Cycle a color light through the rainbow until interrupted with Ctrl-C
Rainbow {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Delay between hue steps, in milliseconds
#[arg(long, default_value_t = 1_000, value_parser = clap::value_parser!(u64).range(20..=60_000))]
step_delay_ms: u64,
},
/// Show real-time energy usage (bulbs, light strips, and ENE-capable plugs/strips)
#[command(
subcommand_precedence_over_arg = true,
args_conflicts_with_subcommands = true
)]
Energy {
#[command(subcommand)]
command: Option<EnergyCommand>,
/// Device name, saved alias, or IP; use `energy watch` for streaming
#[arg(value_name = "DEVICE")]
host: Option<String>,
/// Outlet number, 1-based (strips only)
#[arg(value_parser = clap::value_parser!(u8).range(1..))]
outlet: Option<u8>,
},
/// Show daily energy usage for a month (YYYY-MM) on bulbs, light strips, and ENE-capable plugs/strips
EnergyDaily {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Month in YYYY-MM format (defaults to current month)
#[arg(value_name = "YYYY-MM")]
month: Option<String>,
/// Outlet number, 1-based (strips only)
#[arg(long, short = 'o', value_parser = clap::value_parser!(u8).range(1..))]
outlet: Option<u8>,
},
/// Show monthly energy usage for a year on bulbs, light strips, and ENE-capable plugs/strips
EnergyMonthly {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
#[arg(value_name = "YYYY")]
year: Option<u16>,
/// Outlet number, 1-based (strips only)
#[arg(long, short = 'o', value_parser = clap::value_parser!(u8).range(1..))]
outlet: Option<u8>,
},
/// Show bulb hardware specs — lumens, wattage, CRI (bulbs only)
Specs {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// Show saved light presets (bulbs only)
Presets {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// List built-in light strip effects and the current active effect (light strips only)
Effects {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// Activate a built-in light strip effect by name (light strips only)
Effect {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Effect name, e.g. Aurora, Rainbow, Off
name: String,
},
/// Show scheduled rules (plugs, dimmers, and power strips)
Schedules {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// Control the LED indicator (plugs, dimmers, and power strips)
Led {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
#[arg(value_enum)]
state: LedAction,
},
/// Show device clock (plugs, dimmers, and power strips)
Clock {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// Rename a Kasa device
Rename {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
name: String,
},
/// Reboot a Kasa device
Restart {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// List all outlets on a power strip, showing 1-based outlet numbers, names, and state (strips only)
Outlets {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
},
/// Rename one outlet on a power strip (1-based outlet number)
OutletRename {
/// Explicitly saved device alias or an IP address
#[arg(value_name = "DEVICE")]
host: String,
/// Outlet number, 1-based
#[arg(value_parser = clap::value_parser!(u8).range(1..))]
outlet: u8,
/// New name for the outlet
name: String,
},
/// Save a friendly name for a device IP (e.g. `denki alias "floor lamp" 192.0.2.42`)
Alias {
/// Friendly name to save
name: String,
/// IP address of the device
ip: String,
/// Mark as a Tapo device (uses KLAP protocol on port 80)
#[arg(long)]
klap: bool,
/// Auto-negotiate TPAP/KLAP with the upstream plug client (P125 power support)
#[arg(long, visible_alias = "tpap", conflicts_with = "klap")]
tapo: bool,
},
/// Remove a saved device alias
Unalias {
/// Friendly name to remove
name: String,
},
/// List all saved device aliases
Aliases,
/// Print shell completions to stdout (pipe to your shell's completions dir)
#[command(hide = true)]
Completions {
#[arg(value_enum)]
shell: Shell,
},
/// Save Tapo account credentials to avoid setting env vars each session
Login {
/// Tapo account email address
email: String,
/// Read one password line from redirected stdin instead of the hidden prompt
#[arg(long)]
password_stdin: bool,
},
}
#[derive(ValueEnum, Clone, Debug)]
pub enum LedAction {
On,
Off,
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn tapo_alias_options_are_exclusive_and_support_tpap_spelling() {
for flag in ["--tapo", "--tpap"] {
let cli =
Cli::try_parse_from(["denki", "alias", "Test Plug", "192.0.2.1", flag]).unwrap();
assert!(matches!(
cli.command,
Command::Alias {
tapo: true,
klap: false,
..
}
));
assert!(
Cli::try_parse_from(["denki", "alias", "Test Plug", "192.0.2.1", flag, "--klap"])
.is_err()
);
}
let cli =
Cli::try_parse_from(["denki", "alias", "Test Plug", "192.0.2.1", "--klap"]).unwrap();
assert!(matches!(
cli.command,
Command::Alias {
tapo: false,
klap: true,
..
}
));
}
#[test]
fn group_safety_options_parse() {
let cli = Cli::try_parse_from([
"denki",
"group",
"off",
"office",
"--dry-run",
"--concurrency",
"8",
])
.unwrap();
match cli.command {
Command::Group {
dry_run,
concurrency,
..
} => {
assert!(dry_run);
assert_eq!(concurrency, 8);
}
_ => panic!("expected group command"),
}
}
#[test]
fn doctor_json_option_parses() {
let cli = Cli::try_parse_from(["denki", "doctor", "office", "--json"]).unwrap();
assert!(cli.json);
}
#[test]
fn info_json_option_parses() {
let cli = Cli::try_parse_from(["denki", "info", "office", "--json"]).unwrap();
assert!(cli.json);
}
}
impl Command {
pub fn name(&self) -> &'static str {
match self {
Self::Scan { .. } => "scan",
Self::Info { .. } => "info",
Self::Doctor { .. } => "doctor",
Self::On { .. } => "on",
Self::Off { .. } => "off",
Self::Toggle { .. } => "toggle",
Self::Group { .. } => "group",
Self::Dim { .. } => "dim",
Self::ColorTemp { .. } => "color-temp",
Self::Color { .. } => "color",
Self::Rainbow { .. } => "rainbow",
Self::Energy { .. } => "energy",
Self::EnergyDaily { .. } => "energy-daily",
Self::EnergyMonthly { .. } => "energy-monthly",
Self::Specs { .. } => "specs",
Self::Presets { .. } => "presets",
Self::Effects { .. } => "effects",
Self::Effect { .. } => "effect",
Self::Schedules { .. } => "schedules",
Self::Led { .. } => "led",
Self::Clock { .. } => "clock",
Self::Rename { .. } => "rename",
Self::Restart { .. } => "restart",
Self::Outlets { .. } => "outlets",
Self::OutletRename { .. } => "outlet-rename",
Self::Alias { .. } => "alias",
Self::Unalias { .. } => "unalias",
Self::Aliases => "aliases",
Self::Completions { .. } => "completions",
Self::Login { .. } => "login",
}
}
}
#[derive(Subcommand, Debug)]
pub enum EnergyCommand {
/// Poll read-only measurements; export with --format jsonl or csv
Watch {
#[arg(value_name = "DEVICE")]
host: String,
#[arg(long, short = 'o', value_parser = clap::value_parser!(u8).range(1..))]
outlet: Option<u8>,
/// Delay in seconds after each completed sample (no overlapping requests)
#[arg(long, default_value_t = 5, value_parser = clap::value_parser!(u64).range(1..=86400))]
interval: u64,
/// Stop after this many samples; omit to run until Ctrl-C
#[arg(long, value_parser = clap::value_parser!(u64).range(1..))]
count: Option<u64>,
#[arg(long, value_enum, default_value_t = WatchFormat::Table)]
format: WatchFormat,
},
}
#[derive(clap::ValueEnum, Debug, Clone, Copy, PartialEq)]
pub enum WatchFormat {
Table,
Jsonl,
Csv,
}