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use std::collections::HashMap;

use bolt_proto_derive::*;

use crate::Value;

pub(crate) const MARKER: u8 = 0xB5;
pub(crate) const SIGNATURE: u8 = 0x52;

#[derive(Debug, Clone, Eq, PartialEq, Signature, Marker, Serialize, Deserialize)]
pub struct Relationship {
    pub(crate) rel_identity: i64,
    pub(crate) start_node_identity: i64,
    pub(crate) end_node_identity: i64,
    pub(crate) rel_type: String,
    pub(crate) properties: HashMap<String, Value>,
}

impl Relationship {
    pub fn new(
        rel_identity: i64,
        start_node_identity: i64,
        end_node_identity: i64,
        rel_type: String,
        properties: HashMap<String, impl Into<Value>>,
    ) -> Self {
        Self {
            rel_identity,
            start_node_identity,
            end_node_identity,
            rel_type,
            properties: properties.into_iter().map(|(k, v)| (k, v.into())).collect(),
        }
    }

    pub fn rel_identity(&self) -> i64 {
        self.rel_identity
    }

    pub fn start_node_identity(&self) -> i64 {
        self.start_node_identity
    }

    pub fn end_node_identity(&self) -> i64 {
        self.end_node_identity
    }

    pub fn rel_type(&self) -> &str {
        &self.rel_type
    }

    pub fn properties(&self) -> &HashMap<String, Value> {
        &self.properties
    }
}