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use std::io;

use thiserror::Error;

/// Error type for `Unreact`
#[derive(Debug, Error)]
pub enum Error {
    #[error("IO Fail: {0}")]
    IoFail(IoError),

    #[error("Source directory does not exist '{0}'")]
    SourceDirectoryNotExist(String),

    #[error("Failed to convert SCSS file '{0}' to CSS: {1}")]
    ScssConvert(String, Box<grass::Error>),

    #[error("Failed to minify CSS file '{0}': {1}")]
    CssMinify(String, String),

    #[error("Failed to render Handlebars template '{0}': {1}")]
    RenderTemplate(String, Box<handlebars::RenderError>),

    #[error("Failed to register Handlebars template '{0}': {1}")]
    RegisterTemplate(String, Box<handlebars::TemplateError>),

    #[error("Failed to register *inbuilt* Handlebars template '{0}': {1}")]
    RegisterInbuiltTemplate(String, Box<handlebars::TemplateError>),

    #[error("Template does not exist with name '{0}' in templates directory")]
    TemplateNotExist(String),
}

/// Error type for `Unreact`, relating to IO fails
#[derive(Debug, Error)]
pub enum IoError {
    #[error("Reading file '{0}': {1}")]
    ReadFile(String, io::Error),

    #[error("Reading directory '{0}': {1}")]
    ReadDir(String, io::Error),

    #[error("Removing directory '{0}': {1}")]
    RemoveDir(String, io::Error),

    #[error("Creating directory '{0}': {1}")]
    CreateDir(String, io::Error),

    #[error("Copying directory '{0}': {1}")]
    CopyDir(String, io::Error),

    #[error("Writing file '{0}': {1}")]
    WriteFile(String, io::Error),
}