use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type", content = "data", rename_all = "snake_case")]
pub enum ClientboundPacket {
    Handshake { version: String },
    Error(String),
    DownloadResponse(Vec<Task>),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type", content = "data", rename_all = "snake_case")]
pub enum ServerboundPacket {
    Handshake { version: String },
    Download,
    UpdateTask(Task),
    RemoveTask(u64),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Task {
    pub id: u64,
    pub name: String,
    pub description: String,

    pub tags: Vec<String>,
    pub priority: f64,

    pub completed: Option<u64>,
    pub scheduled: Option<u64>,

    pub occurence: Option<Condition>,
    pub deadline: Option<Condition>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub enum Condition {
    From(Box<Condition>),

    Or(Vec<Condition>),
    And(Vec<Condition>),
    Invert(Box<Condition>),

    Equal {
        prop: Property,
        value: i64,
        modulus: Option<i64>,
    },
    Range {
        prop: Property,
        min: i64,
        max: i64,
        modulus: Option<i64>,
    },
}

#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub enum Property {
    Year,
    Monthofyear,
    Weekofmonth,
    Dayofyear,
    Dayofmonth,
    Dayofweek,
    Hour,
    Minute,
    Second,
    Unix,
}