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use crate::errors::*;
use crate::types::*;
use uuid::Uuid;

/// Represents a file
#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct File {
    #[doc(hidden)]
    #[serde(rename(serialize = "@type", deserialize = "@type"))]
    td_name: String,
    #[doc(hidden)]
    #[serde(rename(serialize = "@extra", deserialize = "@extra"))]
    extra: Option<String>,
    /// Unique file identifier
    id: i64,
    /// File size; 0 if unknown
    size: i64,
    /// Expected file size in case the exact file size is unknown, but an approximate size is known. Can be used to show download/upload progress
    expected_size: i64,
    /// Information about the local copy of the file
    local: LocalFile,
    /// Information about the remote copy of the file
    remote: RemoteFile,
}

impl RObject for File {
    #[doc(hidden)]
    fn td_name(&self) -> &'static str {
        "file"
    }
    #[doc(hidden)]
    fn extra(&self) -> Option<String> {
        self.extra.clone()
    }
    fn to_json(&self) -> RTDResult<String> {
        Ok(serde_json::to_string(self)?)
    }
}

impl File {
    pub fn from_json<S: AsRef<str>>(json: S) -> RTDResult<Self> {
        Ok(serde_json::from_str(json.as_ref())?)
    }
    pub fn builder() -> RTDFileBuilder {
        let mut inner = File::default();
        inner.td_name = "file".to_string();
        inner.extra = Some(Uuid::new_v4().to_string());
        RTDFileBuilder { inner }
    }

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

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

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

    pub fn local(&self) -> &LocalFile {
        &self.local
    }

    pub fn remote(&self) -> &RemoteFile {
        &self.remote
    }
}

#[doc(hidden)]
pub struct RTDFileBuilder {
    inner: File,
}

impl RTDFileBuilder {
    pub fn build(&self) -> File {
        self.inner.clone()
    }

    pub fn id(&mut self, id: i64) -> &mut Self {
        self.inner.id = id;
        self
    }

    pub fn size(&mut self, size: i64) -> &mut Self {
        self.inner.size = size;
        self
    }

    pub fn expected_size(&mut self, expected_size: i64) -> &mut Self {
        self.inner.expected_size = expected_size;
        self
    }

    pub fn local<T: AsRef<LocalFile>>(&mut self, local: T) -> &mut Self {
        self.inner.local = local.as_ref().clone();
        self
    }

    pub fn remote<T: AsRef<RemoteFile>>(&mut self, remote: T) -> &mut Self {
        self.inner.remote = remote.as_ref().clone();
        self
    }
}

impl AsRef<File> for File {
    fn as_ref(&self) -> &File {
        self
    }
}

impl AsRef<File> for RTDFileBuilder {
    fn as_ref(&self) -> &File {
        &self.inner
    }
}