use std::collections::HashMap;
use crate::{CraftContext, LicenseInfo, error::LicenseError};

#[derive(Debug)]
pub struct LicenseStatus {
    pub licensed: bool,
    pub not_after: Option<i64>,
    pub features: HashMap<String, bool>,
    pub device_count: u32,
    pub max_devices: u32,
    pub heartbeat_due: Option<i64>,
}

pub struct ActivateResponse {
    pub success: bool,
    pub device_id: String,
    pub license_payload: Vec<u8>,
}

pub struct HeartbeatResponse {
    pub valid: bool,
    pub lease_until: Option<i64>,
    pub update_available: bool,
    pub new_license_payload: Option<Vec<u8>>,
}

pub trait Provider: Send + Sync {
    fn initialize(&mut self, ctx: &CraftContext, config_json: &str) -> Result<(), LicenseError>;
    fn activate(&self, ctx: &CraftContext, license_key: &str) -> Result<ActivateResponse, LicenseError>;
    fn check_license(&self, ctx: &CraftContext) -> Result<LicenseStatus, LicenseError>;
    fn heartbeat(&self, ctx: &CraftContext) -> Result<HeartbeatResponse, LicenseError>;
    fn has_feature(&self, ctx: &CraftContext, name: &str) -> bool;
    fn release(&mut self) -> Result<(), LicenseError>;
    fn get_license_info(&self, ctx: &CraftContext) -> LicenseInfo;
    fn close(&mut self);
}