//
//  DateResolverTests.swift
//  PocheTests
//
//  Author:  Simon-Pierre Boucher
//  Contact: contact@spboucher.ai
//

import Foundation
import Testing
@testable import Poche

struct DateResolverTests {
    private let now = Date(timeIntervalSince1970: 1_754_900_000) // 2025-08-11 ~08:13 UTC

    @Test func resolvesFutureISODateTime() throws {
        let date = try DateResolver.resolve(iso: "2030-05-10T14:30:00", now: now)
        let components = Calendar.current.dateComponents([.year, .hour, .minute], from: date)
        #expect(components.year == 2030)
        #expect(components.hour == 14)
        #expect(components.minute == 30)
    }

    @Test func bareDateDefaultsToNineLocal() throws {
        let date = try DateResolver.resolve(iso: "2030-05-10", now: now)
        let components = Calendar.current.dateComponents([.hour, .minute], from: date)
        #expect(components.hour == 9)
        #expect(components.minute == 0)
    }

    @Test func rejectsPastDate() {
        #expect(throws: DateResolutionError.self) {
            try DateResolver.resolve(iso: "2020-01-01T10:00:00", now: now)
        }
    }

    @Test func rejectsGarbage() {
        #expect(throws: DateResolutionError.self) {
            try DateResolver.resolve(iso: "mardi prochain", now: now)
        }
    }

    @Test func rejectsHostileInput() {
        #expect(throws: DateResolutionError.self) {
            try DateResolver.resolve(iso: "'; DROP TABLE reminders; --", now: now)
        }
    }

    @Test func rejectsUnreasonablyFarDate() {
        #expect(throws: DateResolutionError.self) {
            try DateResolver.resolve(iso: "2099-01-01T10:00:00", now: now)
        }
    }
}