using System.Text.Json.Serialization;

namespace ClawdDotNet.Core.Config;

public sealed class InstanceConfig
{
    [JsonPropertyName("instanceId")]
    public string InstanceId { get; set; } = Guid.NewGuid().ToString("N")[..8];

    [JsonPropertyName("instanceName")]
    public string InstanceName { get; set; } = "Default";

    [JsonPropertyName("openRouterApiKey")]
    public string OpenRouterApiKey { get; set; } = "";

    [JsonPropertyName("workingDirectory")]
    public string WorkingDirectory { get; set; } = "./data/";

    /// <summary>
    /// Where this instance logs to. Empty means <c>&lt;Instanzverzeichnis&gt;/Logs</c>.
    ///
    /// <para><b>Per instance and not application-wide</b> (#528, stage 1). Previously, when
    /// "empty", the log directory from the application settings applied — one place for all
    /// instances. <c>Startup.log</c> then contained alternating lines of two instances
    /// without marking which one was speaking; in multi-instance operation every
    /// troubleshooting session was guesswork.</para>
    ///
    /// <para>A relative value is resolved against the instance directory, not against the
    /// working directory of the process (see <c>AppHost.ResolveLogDirectory</c>).</para>
    /// </summary>
    [JsonPropertyName("logDirectory")]
    public string LogDirectory { get; set; } = "";

    /// <summary>
    /// Whether the instance manager keeps this instance running (#528).
    ///
    /// <para><b>Two things in one switch, because it is the same promise:</b> the manager
    /// starts this instance when it comes up itself, and it starts it again when
    /// it crashes. Whoever does not want that leaves it off — then it only starts when someone
    /// asks for it.</para>
    ///
    /// <para><b>Pre-set to off</b>, and that is the cautious side: a
    /// manager that boots everything it finds after a restart of the machine
    /// also starts what someone stopped on purpose.</para>
    ///
    /// <para>The restart after a crash is limited: after several attempts in
    /// quick succession the manager pauses and reports it. What fails because of a broken
    /// configuration fails the same way on the tenth attempt, and then instead
    /// of a dead instance you have a dead instance and a full log.</para>
    /// </summary>
    [JsonPropertyName("autostartByManager")]
    public bool AutostartByManager { get; set; }

    /// <summary>
    /// Where the backups of this instance go. Empty means
    /// <c>&lt;Instanzverzeichnis&gt;/Backups</c>.
    ///
    /// <para><b>Per instance</b> (#528, stage 1). Previously the archives of all instances lay
    /// in one folder, and retention (<see cref="BackupKeepCount"/>) cleans up there
    /// by the prefix <c>backup_&lt;Instanzname&gt;_</c>. If two names are nested
    /// in each other — <c>Test</c> and <c>Test_2</c> —, one instance counts the archives
    /// of the other too and throws away the surplus ones.</para>
    /// </summary>
    [JsonPropertyName("backupDirectory")]
    public string BackupDirectory { get; set; } = "";

    /// <summary>Creates a backup of this instance daily at the configured time.</summary>
    [JsonPropertyName("autoBackupEnabled")]
    public bool AutoBackupEnabled { get; set; }

    /// <summary>Time of day of the automatic backup, <c>HH:mm</c>.</summary>
    [JsonPropertyName("autoBackupTime")]
    public string AutoBackupTime { get; set; } = "03:00";

    /// <summary>
    /// How many backups of this instance are kept. 0 = keep all.
    /// </summary>
    [JsonPropertyName("backupKeepCount")]
    public int BackupKeepCount { get; set; } = 14;

    /// <summary>
    /// Port of the web UI. Goes away with the instance manager (E-M5): instances will
    /// listen exclusively on their socket/named pipe; the manager carries the web UI.
    ///
    /// <para><b>Not yet <c>[Obsolete]</c>.</b> The attribute was here briefly and produced
    /// six warnings without anyone being able to fix any of them — until E-M5 is
    /// completed, the port is the only way a standalone instance
    /// offers its user interface. A warning that only teaches looking away is
    /// worse than none; it comes back when the replacement is in place.</para>
    /// </summary>
    [JsonPropertyName("webServerPort")]
    public int WebServerPort { get; set; } = 7001;

    /// <summary>
    /// Whether the web UI runs along. Pre-set to off — it turns a
    /// local application into a network service that controls agents with file, mail and
    /// FTP access. That is something you switch on deliberately.
    /// </summary>
    [JsonPropertyName("webUiEnabled")]
    public bool WebUiEnabled { get; set; }

    /// <summary>
    /// <c>loopback</c> (default) or <c>any</c>. With <c>any</c>
    /// <see cref="WebUiToken"/> is mandatory, otherwise the web UI does not start.
    /// </summary>
    [JsonPropertyName("webUiBinding")]
    public string WebUiBinding { get; set; } = "loopback";

    /// <summary>
    /// Access token of the web UI. Listed in <c>ConfigSecrets</c> and thus stored
    /// protected in the instance file — like the OpenRouter key next to it.
    /// </summary>
    [JsonPropertyName("webUiToken")]
    public string WebUiToken { get; set; } = "";

    [JsonPropertyName("telegramClient")]
    public TelegramClientConfig? TelegramClient { get; set; }

    /// <summary>Connection to the Deploymentcenter's watchdog module (instance heartbeat).</summary>
    [JsonPropertyName("watchdog")]
    public WatchdogConfig Watchdog { get; set; } = new();

    /// <summary>Daily limits across all agents of the instance. 0 = no limit.</summary>
    [JsonPropertyName("budget")]
    public InstanceBudget Budget { get; set; } = new();

    /// <summary>
    /// #660: How long prompt and response of every run are kept. Default for all agents;
    /// each agent can override it.
    /// </summary>
    [JsonPropertyName("promptHistory")]
    public Transcripts.PromptHistorySettings PromptHistory { get; set; } = new();

    /// <summary>
    /// How many hand-offs a delegation chain may have at most (B8, #206).
    /// A→B is depth 1. The chain catches cycles itself; this value limits the
    /// relay A→B→C→D that nobody commissioned and that costs a full
    /// run at every step.
    ///
    /// Instance-wide and not per agent: a chain belongs to none of the participants.
    /// </summary>
    /// <summary>
    /// #689: Escalations and conflicts — how long the agents have to solve a case before a
    /// human is called, and how many escalations a unit may raise a day before they go
    /// straight to a human.
    /// </summary>
    [JsonPropertyName("cases")]
    public Cases.CaseSettings Cases { get; set; } = new();

    /// <summary>#717: When unused budget is filled, and when a task counts as large.</summary>
    [JsonPropertyName("fillWork")]
    public Budget.FillWorkSettings FillWork { get; set; } = new();

    /// <summary>#712: The Claude Code account the instance's claude-code agents run on.</summary>
    [JsonPropertyName("claudeCode")]
    public Runtimes.ClaudeCodeSettings ClaudeCode { get; set; } = new();

    /// <summary>#646: When the board follows up on work that lives but does not move.</summary>
    [JsonPropertyName("followUp")]
    public Tasks.FollowUpSettings FollowUp { get; set; } = new();

    /// <summary>#700: How long runs stay in the working database before they move to the month archive — nothing is deleted.</summary>
    [JsonPropertyName("auditArchive")]
    public Audit.AuditArchiveSettings AuditArchive { get; set; } = new();

    /// <summary>#719: The history of the workspaces — on by default, 90 days.</summary>
    [JsonPropertyName("fileHistory")]
    public Files.FileHistorySettings FileHistory { get; set; } = new();

    /// <summary>#726: Whether this instance works with n8n — only then do agents propose workflows. Off by default.</summary>
    [JsonPropertyName("automation")]
    public Automation.AutomationSettings Automation { get; set; } = new();

    /// <summary>#197: External MCP servers whose tools the agents may use — set up by a human only.</summary>
    [JsonPropertyName("mcpServers")]
    public List<Mcp.McpServerConfig> McpServers { get; set; } = new();

    /// <summary>#699: When a change in the units' costs is reported.</summary>
    [JsonPropertyName("costWatch")]
    public Accounting.CostWatchSettings CostWatch { get; set; } = new();

    [JsonPropertyName("maxDelegationDepth")]
    public int MaxDelegationDepth { get; set; } = 3;

    /// <summary>
    /// How long a delegated call waits at most for a busy target agent,
    /// in seconds (#461). After that a refusal comes instead of further waiting.
    ///
    /// Applies only to delegations. A chat triggered by a human still queues
    /// up and waits as long as it takes.
    /// </summary>
    [JsonPropertyName("delegationGateTimeoutSeconds")]
    public int DelegationGateTimeoutSeconds { get; set; } = 120;

    /// <summary>
    /// #682: How many scheduled task runs may be in flight at the same time. Due tasks
    /// beyond this wait in order of priority and due time and start as soon as a run
    /// finishes.
    ///
    /// <para><b>Why a cap at all.</b> Cron expressions pile up on round times. Without a
    /// cap, fifty due tasks meant fifty simultaneous model calls — provider rate limits,
    /// a cost spike, and all fifty passing the instance budget check together, because
    /// that check runs per run before it starts.</para>
    ///
    /// <para>Per instance for now; per unit comes with #685. Values below 1 count as 1.
    /// A run the human starts by hand does not wait for a free slot, but it occupies one
    /// while it runs.</para>
    /// </summary>
    [JsonPropertyName("maxParallelTaskRuns")]
    public int MaxParallelTaskRuns { get; set; } = 4;

    [JsonPropertyName("agents")]
    public List<AgentConfig> Agents { get; set; } = new();

    /// <summary>
    /// #683: Departments, teams, groups — the organisation tree. Empty means no structure:
    /// every agent can reach every other, as before units existed.
    /// </summary>
    [JsonPropertyName("units")]
    public List<UnitConfig> Units { get; set; } = new();

    /// <summary>
    /// #684: Shared workspaces with member lists — one per unit, plus those shared across
    /// units on purpose. The instance's one shared folder is not listed here; it stays the
    /// workspace <c>shared</c>, governed by each agent's level as before.
    /// </summary>
    [JsonPropertyName("workspaces")]
    public List<WorkspaceConfig> Workspaces { get; set; } = new();

    [JsonPropertyName("services")]
    public List<ServiceConfig> Services { get; set; } = new();
}

public sealed class TelegramClientConfig
{
    [JsonPropertyName("apiId")]
    public int ApiId { get; set; }

    [JsonPropertyName("apiHash")]
    public string ApiHash { get; set; } = "";

    [JsonPropertyName("phoneNumber")]
    public string PhoneNumber { get; set; } = "";

    [JsonPropertyName("password2FA")]
    public string? Password2FA { get; set; }
}