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use anyhow::Result;
use clap::Parser;
use gflights::parsers::common::{AirlineFilter, SortOrder, StopoverDuration};
use gflights::requests::api::ApiClient;
use super::{build_config, CommonArgs, OutputFormat};
use gflights::requests::config::Config;
/// Arguments for the `search` subcommand.
#[derive(Parser, Debug)]
pub struct SearchArgs {
#[command(flatten)]
pub common: CommonArgs,
/// Sort order.
#[arg(long, default_value = "best")]
pub sort: SortOrder,
/// Minimum layover duration in minutes (rounded up to the next 30 min interval).
#[arg(long)]
pub min_layover: Option<u32>,
/// Maximum layover duration in minutes (rounded up to the next 30 min interval).
#[arg(long)]
pub max_layover: Option<u32>,
/// Restrict results to lower-CO₂ emissions flights.
#[arg(long)]
pub lower_emissions: bool,
/// Airline IATA code (e.g. LX, LH) or alliance name (ONEWORLD, SKYTEAM, STAR_ALLIANCE)
/// to include. May be repeated for multiple airlines/alliances.
#[arg(long = "airline")]
pub airlines: Vec<AirlineFilter>,
/// Airline IATA code or alliance name to exclude.
/// May be repeated for multiple airlines/alliances.
#[arg(long = "exclude-airline")]
pub exclude_airlines: Vec<AirlineFilter>,
/// Require a connection through this IATA airport code (e.g. CDG, AMS).
/// May be repeated for multiple airports.
#[arg(long = "via")]
pub connecting_airports: Vec<String>,
/// Show a CO₂ emissions column (kg per passenger).
#[arg(long = "show-co2")]
pub show_co2: bool,
/// Show detailed info: layover airports and +1 marker for next-day arrivals.
#[arg(long)]
pub detail: bool,
}
pub async fn cmd_search(args: SearchArgs, client: &ApiClient) -> Result<()> {
let mut config = build_config(&args.common, client)
.await?
.with_sort_order(args.sort);
// Apply filter flags that live on SearchArgs rather than CommonArgs.
config.airlines_include = args.airlines;
config.airlines_exclude = args.exclude_airlines;
config.connecting_airports = args.connecting_airports;
config.lower_emissions = args.lower_emissions;
if let Some(mins) = args.min_layover {
config.stopover_min = StopoverDuration::Minutes(mins);
}
if let Some(mins) = args.max_layover {
config.stopover_max = StopoverDuration::Minutes(mins);
}
let results = client.request_flights(&config).await?;
let mut flights = results.get_all_flights();
// Client-side sort — guarantees the requested order regardless of what
// Google returns. `Best` keeps Google's own ordering.
match args.sort {
SortOrder::Best => {}
SortOrder::Price => {
flights.sort_by_key(|f| {
f.itinerary_cost
.trip_cost
.as_ref()
.map(|c| c.price)
.unwrap_or(i32::MAX)
});
}
SortOrder::Duration => {
flights.sort_by_key(|f| f.itinerary.total_time_minutes);
}
SortOrder::DepartureTime => {
flights.sort_by_key(|f| {
f.itinerary
.flight_details
.first()
.map(|d| d.departure_time.hour.unwrap_or(0) * 60 + d.departure_time.minute)
});
}
SortOrder::ArrivalTime => {
flights.sort_by_key(|f| {
f.itinerary
.flight_details
.last()
.map(|d| d.arrival_time.hour.unwrap_or(0) * 60 + d.arrival_time.minute)
});
}
}
if flights.is_empty() {
eprintln!("No flights found.");
return Ok(());
}
match args.common.format {
OutputFormat::Json => {
println!("{}", serde_json::to_string_pretty(&flights)?);
}
OutputFormat::Table => {
// Build header dynamically depending on flags.
if args.show_co2 {
println!(
"{:<8} {:>6} {:>5} {:>5} {:>7} ROUTE",
"AIRLINE", "PRICE", "STOPS", "MINS", "CO2(kg)"
);
} else {
println!(
"{:<8} {:>6} {:>5} {:>5} ROUTE",
"AIRLINE", "PRICE", "STOPS", "MINS"
);
}
println!("{}", "-".repeat(if args.show_co2 { 70 } else { 60 }));
for f in &flights {
let price = f
.itinerary_cost
.trip_cost
.as_ref()
.map(|c| c.price.to_string())
.unwrap_or_else(|| "—".into());
let from = f
.itinerary
.flight_details
.first()
.map(|d| d.departure_airport_code.as_str())
.unwrap_or("?");
let to = f
.itinerary
.flight_details
.last()
.map(|d| d.destination_airport_code.as_str())
.unwrap_or("?");
// "+1" marker when the final leg arrives the calendar day after departure.
let next_day = if args.detail && f.itinerary.arrives_next_day() {
" +1"
} else {
""
};
let route = format!("{}→{}{}", from, to, next_day);
if args.show_co2 {
let co2_str = f
.itinerary
.emissions
.as_ref()
.and_then(|e| e.co2_this_flight_g)
.map(|g| format!("{}", g / 1000))
.unwrap_or_else(|| "—".into());
println!(
"{:<8} {:>6} {:>5} {:>5} {:>7} {}",
f.itinerary.flight_by,
price,
f.itinerary.stop_count(),
f.itinerary.total_time_minutes,
co2_str,
route,
);
} else {
println!(
"{:<8} {:>6} {:>5} {:>5} {}",
f.itinerary.flight_by,
price,
f.itinerary.stop_count(),
f.itinerary.total_time_minutes,
route,
);
}
// Detail row: layover airports for multi-stop itineraries.
if args.detail {
if let Some(conns) = &f.itinerary.connection_info {
if !conns.is_empty() {
let via_parts: Vec<String> = conns
.iter()
.map(|c| {
format!(
"{} ({} min)",
c.arrival_airport, c.connection_time_minutes
)
})
.collect();
println!(" via {}", via_parts.join(" → "));
}
}
}
}
}
}
Ok(())
}
// Extension trait used only by search to apply sort order after build.
trait WithSortOrder {
fn with_sort_order(self, sort: SortOrder) -> Self;
}
impl WithSortOrder for Config {
fn with_sort_order(mut self, sort: SortOrder) -> Self {
self.sort_order = sort;
self
}
}