use crate::devices::device::DeviceRelayID;

/// # RelayStateHistory
///
/// This structures handles the manipulation of relay state history files
///
/// These file are binary file optimizing used space.
pub struct RelayStateHistory {
    id: DeviceRelayID,
    day: usize,
    buff: Vec<u8>,
}

impl RelayStateHistory {
    /// Open relay state history file, if it exist, or create an empty one
    pub fn open(id: DeviceRelayID, day: usize) -> anyhow::Result<Self> {
        todo!()
    }

    /// Create a new in memory dev relay state history
    fn new_memory(id: DeviceRelayID, day: usize) -> Self {
        todo!()
    }

    /// Resolve time offset of a given time in buffer
    fn resolve_offset(&self, time: i64) -> anyhow::Result<(usize, u8)> {
        todo!()
    }

    /// Set new state of relay
    fn set_state(&mut self, time: i64, on: bool) -> anyhow::Result<()> {
        todo!()
    }

    /// Get the state of relay at a given time
    fn get_state(&self, time: i64) -> anyhow::Result<bool> {
        todo!()
    }

    /// Persist device relay state history
    pub fn save(&self) -> anyhow::Result<()> {
        todo!()
    }
}