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use crate::de::{Deserializer, Error};
use crate::ser::Serializer;
use crate::{de, ser};

/// Describe the visibility of the table
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub enum StAccess {
    /// Visible to all
    Public,
    /// Visible only to the owner
    Private,
}

impl StAccess {
    pub fn as_str(&self) -> &'static str {
        match self {
            Self::Public => "public",
            Self::Private => "private",
        }
    }

    /// Select the appropriated [Self] for the name.
    ///
    /// A name that start with '_' like '_sample' is [Self::Private]
    pub fn for_name(of: &str) -> Self {
        if of.starts_with('_') {
            Self::Private
        } else {
            Self::Public
        }
    }
}

impl<'a> TryFrom<&'a str> for StAccess {
    type Error = &'a str;

    fn try_from(value: &'a str) -> Result<Self, Self::Error> {
        Ok(match value {
            "public" => Self::Public,
            "private" => Self::Private,
            x => return Err(x),
        })
    }
}

impl ser::Serialize for StAccess {
    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        serializer.serialize_str(self.as_str())
    }
}

impl<'de> de::Deserialize<'de> for StAccess {
    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = deserializer.deserialize_str_slice()?;
        StAccess::try_from(value).map_err(|x| {
            Error::custom(format!(
                "DecodeError for StAccess: `{x}`. Expected `public` | 'private'"
            ))
        })
    }
}

/// Describe is the table is a `system table` or not.
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub enum StTableType {
    /// Created by the system
    ///
    /// System tables are `StAccess::Public` by default
    System,
    /// Created by the User
    User,
}

impl StTableType {
    pub fn as_str(&self) -> &'static str {
        match self {
            Self::System => "system",
            Self::User => "user",
        }
    }
}

impl<'a> TryFrom<&'a str> for StTableType {
    type Error = &'a str;

    fn try_from(value: &'a str) -> Result<Self, Self::Error> {
        Ok(match value {
            "system" => Self::System,
            "user" => Self::User,
            x => return Err(x),
        })
    }
}

impl ser::Serialize for StTableType {
    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        serializer.serialize_str(self.as_str())
    }
}

impl<'de> de::Deserialize<'de> for StTableType {
    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = deserializer.deserialize_str_slice()?;
        StTableType::try_from(value).map_err(|x| {
            Error::custom(format!(
                "DecodeError for StTableType: `{x}`. Expected 'system' | 'user'"
            ))
        })
    }
}