using System.Text.Json.Serialization;
using NeonSprawl.Server.Game.Quests;

namespace NeonSprawl.Server.Game.Contracts;

/// <summary>POST body for <c>POST /game/players/{{id}}/contracts/issue</c> (NEO-151).</summary>
public sealed class ContractIssueRequest
{
    public const int CurrentSchemaVersion = 1;

    [JsonPropertyName("schemaVersion")]
    public int SchemaVersion { get; init; }

    [JsonPropertyName("playerId")]
    public string? PlayerId { get; init; }

    [JsonPropertyName("templateId")]
    public string? TemplateId { get; init; }

    [JsonPropertyName("seedBucket")]
    public string? SeedBucket { get; init; }

    [JsonPropertyName("zoneDifficultyBand")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public int? ZoneDifficultyBand { get; init; }
}

/// <summary>POST response for contract issue (NEO-151).</summary>
public sealed class ContractIssueResponse
{
    public const int CurrentSchemaVersion = 1;

    [JsonPropertyName("schemaVersion")]
    public int SchemaVersion { get; init; } = CurrentSchemaVersion;

    [JsonPropertyName("issued")]
    public bool Issued { get; init; }

    [JsonPropertyName("reasonCode")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? ReasonCode { get; init; }

    [JsonPropertyName("contract")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public ContractInstanceRowJson? Contract { get; init; }
}

/// <summary>JSON body for <c>GET /game/players/{{id}}/contracts</c> (NEO-151).</summary>
public sealed class ContractListResponse
{
    public const int CurrentSchemaVersion = 1;

    [JsonPropertyName("schemaVersion")]
    public int SchemaVersion { get; init; } = CurrentSchemaVersion;

    [JsonPropertyName("playerId")]
    public required string PlayerId { get; init; }

    [JsonPropertyName("contracts")]
    public required IReadOnlyList<ContractInstanceRowJson> Contracts { get; init; }
}

/// <summary>Authoritative contract instance projection for HTTP clients (NEO-151).</summary>
public sealed class ContractInstanceRowJson
{
    [JsonPropertyName("contractInstanceId")]
    public required string ContractInstanceId { get; init; }

    [JsonPropertyName("templateId")]
    public required string TemplateId { get; init; }

    [JsonPropertyName("templateDisplayName")]
    public required string TemplateDisplayName { get; init; }

    /// <summary><c>active</c> or <c>completed</c>.</summary>
    [JsonPropertyName("status")]
    public required string Status { get; init; }

    [JsonPropertyName("encounterTemplateId")]
    public required string EncounterTemplateId { get; init; }

    [JsonPropertyName("seedBucket")]
    public required string SeedBucket { get; init; }

    [JsonPropertyName("issuedAt")]
    public DateTimeOffset IssuedAt { get; init; }

    [JsonPropertyName("completedAt")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public DateTimeOffset? CompletedAt { get; init; }

    [JsonPropertyName("completionRewardSummary")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public QuestCompletionRewardSummaryJson? CompletionRewardSummary { get; init; }
}