pub const HISTOGRAM_BINS: usize = 100;

pub const H3_PRECOMPUTE_MAX: u8 = 12;
pub const H3_REQUEST_MIN: u8 = 4;
pub const H3_REQUEST_MAX: u8 = 12;

pub const SERVER_ADDRESS: &str = "0.0.0.0:8001";

pub const GRID_CELL_SIZE: f32 = 0.01;
pub const MAX_POIS_PER_REQUEST: usize = 10000;
pub const MAX_CELLS_PER_REQUEST: usize = 5000;
pub const DEFAULT_PROPERTIES_LIMIT: usize = 100;
pub const MAX_PROPERTIES_LIMIT: usize = 500;
pub const MAX_PRICE_HISTORY_POINTS: usize = 5000;
pub const POSTCODE_SEARCH_OFFSET: f64 = 0.02;

pub const AI_FILTERS_MAX_TOKENS: usize = 2000;
pub const AI_FILTERS_TEMPERATURE: f32 = 0.0;

/// Timeout for outbound HTTP service calls (seconds).
pub const SERVICE_CALL_TIMEOUT: u64 = 120;

/// Inner London free zone bounds (south, west, north, east) — roughly zones 1–2.
/// Users without a license can only query data within these bounds.
pub const FREE_ZONE_BOUNDS: (f64, f64, f64, f64) = (51.42, -0.34, 51.60, 0.14);

/// Homepage demo center (lat, lng) and tolerance for the license bypass.
/// Hexagon requests centered within this tolerance skip the license check,
/// so the ScrollStory animation works for anonymous visitors.
/// ~0.05° ≈ 5.5 km — covers central London only.
pub const DEMO_CENTER: (f64, f64) = (51.51, -0.12);
pub const DEMO_CENTER_TOLERANCE: f64 = 0.05;