/** Base error for every failure raised by the framework. */
export class MuddleError extends Error {
	constructor(message: string, options?: { cause?: unknown }) {
		super(message, options);
		this.name = "MuddleError";
	}
}

/** Raised when a dependency cannot be resolved from the current module graph. */
export class UnknownProviderError extends MuddleError {
	constructor(token: unknown) {
		super(`Cannot resolve dependency: ${describeToken(token)}`);
		this.name = "UnknownProviderError";
	}
}

/** Raised when a request does not match any route. */
export class RouteNotFoundError extends MuddleError {
	constructor(method: string, path: string) {
		super(`No route matches ${method} ${path}`);
		this.name = "RouteNotFoundError";
	}
}

/** Raised while compiling or rendering a template. */
export class TemplateError extends MuddleError {
	constructor(message: string, options?: { cause?: unknown }) {
		super(message, options);
		this.name = "TemplateError";
	}
}

/** Raised when the ORM cannot find a table definition. */
export class SchemaError extends MuddleError {
	constructor(message: string) {
		super(message);
		this.name = "SchemaError";
	}
}

/** Human readable representation of an injection token. */
export function describeToken(token: unknown): string {
	if (typeof token === "function") return token.name || "anonymous class";
	if (typeof token === "symbol") return token.toString();
	return String(token);
}