using NeonSprawl.Server.Game.Factions;
using NeonSprawl.Server.Game.Items;
using NeonSprawl.Server.Game.Mastery;
using NeonSprawl.Server.Game.Quests;
using NeonSprawl.Server.Game.Rewards;

namespace NeonSprawl.Server.Tests.Game.Factions;

public sealed class FactionStandingApiTests
{
    private const string PlayerId = "dev-local-1";
    private const string OperatorChainQuestId = "prototype_quest_operator_chain";
    private const string GridOperatorsFactionId = PrototypeE7M3QuestFactionRules.GridContractGateFactionId;
    private const string RustCollectiveFactionId = "prototype_faction_rust_collective";

    [Fact]
    public async Task GetFactionStanding_ShouldReturnNotFound_WhenPlayerUnknown()
    {
        // Arrange
        await using var factory = new InMemoryWebApplicationFactory();
        var client = factory.CreateClient();

        // Act
        var response = await client.GetAsync("/game/players/missing-player/faction-standing");

        // Assert
        Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
    }

    [Fact]
    public async Task GetFactionStanding_ShouldReturnNotFound_WhenPathIdIsWhitespaceOnly()
    {
        // Arrange
        await using var factory = new InMemoryWebApplicationFactory();
        var client = factory.CreateClient();

        // Act
        var response = await client.GetAsync("/game/players/%20%20/faction-standing");

        // Assert
        Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
    }

    [Fact]
    public async Task GetFactionStanding_ShouldReturnOk_WhenPathIdHasLeadingAndTrailingWhitespace()
    {
        // Arrange
        await using var factory = new InMemoryWebApplicationFactory();
        var client = factory.CreateClient();

        // Act
        var response = await client.GetAsync("/game/players/%20dev-local-1%20/faction-standing");

        // Assert
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        var body = await response.Content.ReadFromJsonAsync<FactionStandingSnapshotResponse>();
        Assert.NotNull(body);
        Assert.Equal("dev-local-1", body!.PlayerId);
        Assert.Equal(FactionStandingSnapshotResponse.CurrentSchemaVersion, body.SchemaVersion);
    }

    [Fact]
    public async Task GetFactionStanding_ShouldReturnSchemaV1_WithNeutralStanding_ForPrototypeFactions()
    {
        // Arrange
        await using var factory = new InMemoryWebApplicationFactory();
        var client = factory.CreateClient();

        // Act
        var response = await client.GetAsync("/game/players/dev-local-1/faction-standing");

        // Assert
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        var body = await response.Content.ReadFromJsonAsync<FactionStandingSnapshotResponse>();
        Assert.NotNull(body);
        Assert.Equal(FactionStandingSnapshotResponse.CurrentSchemaVersion, body!.SchemaVersion);
        Assert.Equal("dev-local-1", body.PlayerId);
        Assert.NotNull(body.Factions);
        Assert.Equal(PrototypeE7M3FactionCatalogRules.ExpectedFactionIds.Count, body.Factions!.Count);
        var byId = body.Factions.ToDictionary(static row => row.Id, StringComparer.Ordinal);
        foreach (var factionId in PrototypeE7M3FactionCatalogRules.ExpectedFactionIds)
        {
            Assert.True(byId.TryGetValue(factionId, out var row));
            Assert.Equal(0, row!.Standing);
        }
    }

    [Fact]
    public async Task GetFactionStanding_ShouldReturnGridOperatorsStanding15_AfterOperatorChainRepGrant()
    {
        // Arrange
        await using var factory = new InMemoryWebApplicationFactory();
        var deps = ResolveRewardRouterDependencies(factory);
        var bundle = PrototypeE7M3QuestFactionRules.ExpectedCompletionBundles[OperatorChainQuestId];
        var deliver = RewardRouterOperations.TryDeliverQuestCompletion(
            PlayerId,
            OperatorChainQuestId,
            bundle,
            deps.ItemRegistry,
            deps.InventoryStore,
            deps.SkillRegistry,
            deps.SkillProgressionStore,
            deps.LevelCurve,
            deps.PerkUnlockEngine,
            deps.PerkStore,
            deps.DeliveryStore,
            deps.StandingStore,
            deps.AuditStore,
            TimeProvider.System);
        Assert.True(deliver.Success);
        var client = factory.CreateClient();

        // Act
        var response = await client.GetAsync("/game/players/dev-local-1/faction-standing");

        // Assert
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        var body = await response.Content.ReadFromJsonAsync<FactionStandingSnapshotResponse>();
        Assert.NotNull(body);
        var byId = body!.Factions!.ToDictionary(static row => row.Id, StringComparer.Ordinal);
        Assert.Equal(
            PrototypeE7M3QuestFactionRules.GridContractMinStanding,
            byId[GridOperatorsFactionId].Standing);
        Assert.Equal(0, byId[RustCollectiveFactionId].Standing);
    }

    private static RewardRouterTestDependencies ResolveRewardRouterDependencies(InMemoryWebApplicationFactory factory)
    {
        var services = factory.Services;
        return new RewardRouterTestDependencies(
            services.GetRequiredService<IItemDefinitionRegistry>(),
            services.GetRequiredService<IPlayerInventoryStore>(),
            services.GetRequiredService<ISkillDefinitionRegistry>(),
            services.GetRequiredService<IPlayerSkillProgressionStore>(),
            services.GetRequiredService<ISkillLevelCurve>(),
            services.GetRequiredService<PerkUnlockEngine>(),
            services.GetRequiredService<IPlayerPerkStateStore>(),
            services.GetRequiredService<IRewardDeliveryStore>(),
            services.GetRequiredService<IFactionStandingStore>(),
            services.GetRequiredService<IReputationDeltaStore>());
    }

    private sealed record RewardRouterTestDependencies(
        IItemDefinitionRegistry ItemRegistry,
        IPlayerInventoryStore InventoryStore,
        ISkillDefinitionRegistry SkillRegistry,
        IPlayerSkillProgressionStore SkillProgressionStore,
        ISkillLevelCurve LevelCurve,
        PerkUnlockEngine PerkUnlockEngine,
        IPlayerPerkStateStore PerkStore,
        IRewardDeliveryStore DeliveryStore,
        IFactionStandingStore StandingStore,
        IReputationDeltaStore AuditStore);
}