import Foundation
import Testing
@testable import PediFoods

@Test("PushDeepLinkParser parses order_status with an explicit orderId")
func parsesOrderStatusWithExplicitOrderId() {
    let userInfo: [AnyHashable: Any] = ["type": "order_status", "orderId": "order-1", "shortId": "SHORT1"]
    let destination = PushDeepLinkParser.parse(userInfo)
    #expect(destination == .orderTracking(orderId: "order-1", shortId: "SHORT1"))
}

@Test("PushDeepLinkParser falls back to shortId as the orderId when orderId is absent")
func fallsBackToShortIdAsOrderId() {
    let userInfo: [AnyHashable: Any] = ["type": "order_status", "shortId": "SHORT1"]
    let destination = PushDeepLinkParser.parse(userInfo)
    #expect(destination == .orderTracking(orderId: "SHORT1", shortId: "SHORT1"))
}

@Test("PushDeepLinkParser returns nil for order_status with neither orderId nor shortId")
func returnsNilForOrderStatusWithNoIdentifiers() {
    let userInfo: [AnyHashable: Any] = ["type": "order_status"]
    #expect(PushDeepLinkParser.parse(userInfo) == nil)
}

@Test("PushDeepLinkParser parses a targetScreen payload into .screen with its params")
func parsesTargetScreenWithParams() {
    let userInfo: [AnyHashable: Any] = [
        "targetScreen": "promo",
        "couponId": "abc123",
        "storeId": "store-9"
    ]
    guard case let .screen(name, params) = PushDeepLinkParser.parse(userInfo) else {
        Issue.record("expected .screen destination")
        return
    }
    #expect(name == "promo")
    #expect(params == ["couponId": "abc123", "storeId": "store-9"])
}

@Test("PushDeepLinkParser excludes type and targetScreen keys from the screen's params")
func excludesRoutingKeysFromScreenParams() {
    let userInfo: [AnyHashable: Any] = ["type": "campaign", "targetScreen": "promo", "couponId": "abc123"]
    guard case let .screen(_, params) = PushDeepLinkParser.parse(userInfo) else {
        Issue.record("expected .screen destination")
        return
    }
    #expect(params["type"] == nil)
    #expect(params["targetScreen"] == nil)
    #expect(params["couponId"] == "abc123")
}

@Test("PushDeepLinkParser returns nil for a payload with neither order_status nor targetScreen")
func returnsNilForUnroutablePayload() {
    let userInfo: [AnyHashable: Any] = ["type": "campaign", "campaignId": "c1"]
    #expect(PushDeepLinkParser.parse(userInfo) == nil)
}

@Test("PushDeepLinkParser drops non-String param values from a screen payload")
func dropsNonStringParamValues() {
    let userInfo: [AnyHashable: Any] = ["targetScreen": "promo", "count": 5, "label": "sale"]
    guard case let .screen(_, params) = PushDeepLinkParser.parse(userInfo) else {
        Issue.record("expected .screen destination")
        return
    }
    #expect(params["count"] == nil)
    #expect(params["label"] == "sale")
}