//! Library specific error messages.

use serde_json::{Map, Value};

use thiserror::Error;

use crate::MpvDataType;

/// Any error that can occur when interacting with mpv.

pub enum MpvError {

    #[error("MpvError: {0}")]

    MpvError(String),

    #[error("Error communicating over mpv socket: {0}")]

    MpvSocketConnectionError(String),

    #[error("Internal connection error: {0}")]

    InternalConnectionError(String),

    #[error("JsonParseError: {0}")]

    JsonParseError(#[from] serde_json::Error),

    #[error("Mpv sent a value with an unexpected type:\nExpected {expected_type}, received {received:#?}")]

    ValueContainsUnexpectedType {

        expected_type: String,

        received: Value,

    },

    #[error(

        "Mpv sent data with an unexpected type:\nExpected {expected_type}, received {received:#?}"

    )]

    DataContainsUnexpectedType {

        expected_type: String,

        received: MpvDataType,

    },

    #[error("Missing expected 'data' field in mpv message")]

    MissingMpvData,

    #[error("Missing key in object:\nExpected {key} in {map:#?}")]

    MissingKeyInObject {

        key: String,

        map: Map<String, Value>,

    },

    #[error("Unknown error: {0}")]

    Other(String),

}