using Microsoft.AspNetCore.Mvc.Testing;

namespace RpgRoller.Tests;

public sealed class CampaignApiTests : ApiTestBase
{
    public CampaignApiTests(WebApplicationFactory<Program> factory)
        : base(factory)
    {
    }

    [Fact]
    public async Task CampaignCharacterAndSkillFlow_EnforcesRulesetValidation()
    {
        using var factory = CreateFactory(6, 6, 6);
        using var gmClient = factory.CreateClient(new WebApplicationFactoryClientOptions { AllowAutoRedirect = false });

        await RegisterAsync(gmClient, "gm", "Password123", "Game Master");
        await LoginAsync(gmClient, "gm", "Password123");

        var campaign = await PostAsync<CreateCampaignRequest, CampaignSummary>(
            gmClient,
            "/api/campaigns",
            new CreateCampaignRequest("Alpha Campaign", "dnd5e"));

        var gmCharacter = await PostAsync<CreateCharacterRequest, CharacterSummary>(
            gmClient,
            "/api/characters",
            new CreateCharacterRequest("Arin", campaign.Id));

        var activateResponse = await gmClient.PostAsync($"/api/characters/{gmCharacter.Id}/activate", null);
        Assert.Equal(HttpStatusCode.OK, activateResponse.StatusCode);

        var createdSkill = await PostAsync<CreateSkillRequest, SkillSummary>(
            gmClient,
            $"/api/characters/{gmCharacter.Id}/skills",
            new CreateSkillRequest("Arcana", "2d12+2"));
        Assert.Equal("2d12+2", createdSkill.DiceRollDefinition);

        var updatedSkill = await PutAsync<UpdateSkillRequest, SkillSummary>(
            gmClient,
            $"/api/skills/{createdSkill.Id}",
            new UpdateSkillRequest("Arcana Mastery", "2d12+3"));
        Assert.Equal("Arcana Mastery", updatedSkill.Name);
        Assert.Equal("2d12+3", updatedSkill.DiceRollDefinition);

        var invalidSkill = await gmClient.PostAsJsonAsync(
            $"/api/characters/{gmCharacter.Id}/skills",
            new CreateSkillRequest("Broken", "5D+4"));
        Assert.Equal(HttpStatusCode.BadRequest, invalidSkill.StatusCode);

        var details = await GetAsync<CampaignDetails>(gmClient, $"/api/campaigns/{campaign.Id}");
        Assert.Equal(campaign.Id, details.Id);
        Assert.Single(details.Characters);
        Assert.Single(details.Skills);

        var currentCampaignCharacters = await GetAsync<IReadOnlyList<CharacterSummary>>(gmClient, "/api/characters/current-campaign");
        Assert.Single(currentCampaignCharacters);
        Assert.Equal(gmCharacter.Id, currentCampaignCharacters[0].Id);

        var otherCampaign = await PostAsync<CreateCampaignRequest, CampaignSummary>(
            gmClient,
            "/api/campaigns",
            new CreateCampaignRequest("Beta Campaign", "d6"));

        var updatedCharacter = await PutAsync<UpdateCharacterRequest, CharacterSummary>(
            gmClient,
            $"/api/characters/{gmCharacter.Id}",
            new UpdateCharacterRequest("Arin Updated", otherCampaign.Id));

        Assert.Equal("Arin Updated", updatedCharacter.Name);
        Assert.Equal(otherCampaign.Id, updatedCharacter.CampaignId);
    }
}