import { inspect } from 'node:util';

// § GROUP: Configuration field errors

export class Invalid_Data extends Error {
	constructor(data) {
		const { value, target, expected, validator, name } = data;
		const type = value === null ? 'null' : typeof value;
		const target_info = target ? inspect(target) : 'unknown target';
		const expected_desc = expected ?? `data that would pass validation using ${validator}`;
		super(`Data validation failed for field "${name}" of ${target_info}. Encountered data of type "${type}" while expecting "${expected_desc}".`);
		this.data = data;
	}
}

// § GROUP: Resolving errors

export class Item_Unresolvable extends Error {
	constructor(data) {
		const { resolver, item } = data;
		const type = item === null ? 'null' : typeof item;
		super(`Cannot resolve item ${inspect(item)} of type "${type}" using resolver ${resolver}`);
		this.data = data;
	}
}


// § GROUP: Storage errors

export class Not_Storable_Error extends Error {
	constructor(data) {
		const { storage, value, property, id } = data;
		const type = value === null ? 'null' : typeof value;
		const location = property ? `property "${property}" of record #${id}` : `record #${id}`;
		super(`Cannot store value of type "${type}" in ${location}: ${inspect(value)}`);
		this.data = data;
	}
}

export class Not_Mutable_Error extends Error {
	constructor(data) {
		const { storage, value, property, id } = data;
		const type = value === null ? 'null' : typeof value;
		const location = property ? `property "${property}" of record #${id}` : `record #${id}`;
		super(`Cannot set ${location}: record is immutable (tried to store value of type "${type}": ${inspect(value)})`);
		this.data = data;
	}
}

export class No_Such_Object_Index_Error extends Error {
	constructor(data) {
		const { storage, property, id } = data;
		const location = property ? `property "${property}" of record #${id}` : `record #${id}`;
		super(`Cannot get ${location}: no such record index`);
		this.data = data;
	}
}