import { Type, Static } from "@sinclair/typebox";
import { JsonString, StringEnum, StringKey, plainJson } from "./composites.js";
import { type LogEntry, levels } from "../logging.js";
import { ControllerConfig, HostConfig } from "../config/index.js";
import { ExternalFactorioVersionSchema, LatestReleasesSchema } from "../external/index.js";

const LogEntrySchema = Type.Object({
	"level": StringKey(levels),
	"message": Type.String(),
	"timestamp": Type.String(),
});

export class ControllerStopRequest {
	declare ["constructor"]: typeof ControllerStopRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.stop" as const;
}

export class ControllerRestartRequest {
	declare ["constructor"]: typeof ControllerRestartRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.restart" as const;
}

export class ControllerMarkRestartRequiredRequest {
	declare ["constructor"]: typeof ControllerMarkRestartRequiredRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.restart" as const;
}

export class ControllerUpdateRequest {
	declare ["constructor"]: typeof ControllerUpdateRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.update" as const;
}

export class ControllerConfigGetRequest {
	declare ["constructor"]: typeof ControllerConfigGetRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.get_config" as const;
	static Response = plainJson(ControllerConfig.jsonSchema);
}

export class ControllerConfigSetRequest {
	declare ["constructor"]: typeof ControllerConfigSetRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.update_config" as const;

	constructor(
		public fields: Record<string, string | Record<string, unknown>>,
	) { }

	static jsonSchema = Type.Object({
		"fields": Type.Record(Type.String(), Type.Union([
			Type.String(), Type.Record(Type.String(), Type.Unknown()),
		])),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.fields);
	}
}

export class ControllerConfigSetFieldRequest {
	declare ["constructor"]: typeof ControllerConfigSetFieldRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.update_config" as const;

	constructor(
		public field: string,
		public value: string,
	) { }

	static jsonSchema = Type.Object({
		"field": Type.String(),
		"value": Type.String(),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.field, json.value);
	}
}

export class ControllerConfigSetPropRequest {
	declare ["constructor"]: typeof ControllerConfigSetPropRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.controller.update_config" as const;

	constructor(
		public field: string,
		public prop: string,
		public value?: unknown,
	) { }

	static jsonSchema = Type.Object({
		"field": Type.String(),
		"prop": Type.String(),
		"value": Type.Optional(Type.Unknown()),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.field, json.prop, json.value);
	}
}

export class HostGenerateTokenRequest {
	declare ["constructor"]: typeof HostGenerateTokenRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.host.generate_token" as const;

	constructor(
		public hostId?: number,
	) { }

	static jsonSchema = Type.Object({
		"hostId": Type.Optional(Type.Integer()),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.hostId);
	}

	static Response = JsonString;
}

export class HostConfigCreateRequest {
	declare ["constructor"]: typeof HostConfigCreateRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.host.create_config" as const;

	constructor(
		public id: number | undefined,
		public name: string | undefined,
		public generateToken: boolean,
	) { }

	static jsonSchema = Type.Object({
		"id": Type.Optional(Type.Integer()),
		"name": Type.Optional(Type.String()),
		"generateToken": Type.Boolean(),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.id, json.name, json.generateToken);
	}

	static Response = plainJson(HostConfig.jsonSchema);
}

export class GetFactorioCredentialsRequest {
	declare ["constructor"]: typeof GetFactorioCredentialsRequest;
	static type = "request" as const;
	static src = ["host", "instance"] as const;
	static dst = "controller" as const;

	static Response = plainJson(Type.Object({
		"username": Type.Optional(Type.String()),
		"token": Type.Optional(Type.String()),
	}));
}

export class LogSetSubscriptionsRequest {
	declare ["constructor"]: typeof LogSetSubscriptionsRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.log.follow" as const;

	constructor(
		public all?: boolean,
		public controller?: boolean,
		public hostIds?: number[],
		public instanceIds?: number[],
		public maxLevel?: keyof typeof levels,
	) { }

	static jsonSchema = Type.Object({
		all: Type.Optional(Type.Boolean()),
		controller: Type.Optional(Type.Boolean()),
		hostIds: Type.Array(Type.Integer()),
		instanceIds: Type.Array(Type.Integer()),
		maxLevel: Type.Optional(StringEnum(Object.keys(levels) as (keyof typeof levels)[])),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.all, json.controller, json.hostIds, json.instanceIds, json.maxLevel);
	}
}

export class LogQueryRequest {
	declare ["constructor"]: typeof LogQueryRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.log.query" as const;

	constructor(
		public all: boolean,
		public controller: boolean,
		public hostIds: number[],
		public instanceIds: number[],
		public maxLevel: undefined | keyof typeof levels,
		public limit: number,
		public order: "asc" | "desc",
	) { }

	static jsonSchema = Type.Object({
		all: Type.Boolean(),
		controller: Type.Boolean(),
		hostIds: Type.Array(Type.Integer()),
		instanceIds: Type.Array(Type.Integer()),
		maxLevel: Type.Optional(StringEnum(Object.keys(levels) as (keyof typeof levels)[])),
		limit: Type.Integer(),
		order: StringEnum(["asc", "desc"]),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(
			json.all, json.controller, json.hostIds, json.instanceIds, json.maxLevel, json.limit, json.order
		);
	}

	static Response = class Response {
		constructor(
			public log: LogEntry[],
		) { }

		static jsonSchema = Type.Object({
			"log": Type.Array(LogEntrySchema),
		});

		static fromJSON(json: Static<typeof this.jsonSchema>) {
			return new this(json.log);
		}
	};
}

export class LogMessageEvent {
	declare ["constructor"]: typeof LogMessageEvent;
	static type = "event" as const;
	static src = ["host", "controller"] as const;
	static dst = ["controller", "control"] as const;

	constructor(
		public info: LogEntry,
	) { }

	static jsonSchema = Type.Object({
		"info": LogEntrySchema,
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.info);
	}
}

export class SystemInfo {
	constructor(
		/**
		 * Id of the host these metrics originate from, or the string
		 * "controller" if these metrics are for the controller.
		 */
		public id: number | "controller",
		public hostname: string,
		public node: string,
		public kernel: string,
		public machine: string,
		public cpuModel: string,
		public coreRatios: number[],
		public memoryCapacity: number,
		public memoryAvailable: number,
		public diskCapacity: number,
		public diskAvailable: number,
		public canRestart: boolean,
		public restartRequired: boolean,
		public systemStartedAtMs: number,
		public processStartedAtMs: number,
		/** Millisecond Unix timestamp this entry was last updated at */
		public updatedAtMs: number,
		public isDeleted: boolean,
	) { }

	static jsonSchema = Type.Object({
		"id": Type.Union([Type.Number(), Type.Literal("controller")]),
		"hostname": Type.String(),
		"node": Type.String(),
		"kernel": Type.String(),
		"machine": Type.String(),
		"cpuModel": Type.String(),
		"coreRatios": Type.Array(Type.Number()),
		"memoryCapacity": Type.Number(),
		"memoryAvailable": Type.Number(),
		"diskCapacity": Type.Number(),
		"diskAvailable": Type.Number(),
		"canRestart": Type.Boolean(),
		"restartRequired": Type.Boolean(),
		"systemStartedAtMs": Type.Number(),
		"processStartedAtMs": Type.Number(),
		"updatedAtMs": Type.Number(),
		"isDeleted": Type.Boolean(),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(
			json.id,
			json.hostname,
			json.node,
			json.kernel,
			json.machine,
			json.cpuModel,
			json.coreRatios,
			json.memoryCapacity,
			json.memoryAvailable,
			json.diskCapacity,
			json.diskAvailable,
			json.canRestart,
			json.restartRequired,
			json.systemStartedAtMs,
			json.processStartedAtMs,
			json.updatedAtMs,
			json.isDeleted,
		);
	}

	get cpuCapacity() {
		return this.coreRatios.length;
	}

	get cpuUsed() {
		return this.coreRatios.reduce((a, b) => a + b, 0);
	}

	get cpuAvailable() {
		return this.cpuCapacity - this.cpuUsed;
	}

	get cpuRatio() {
		return this.cpuUsed / this.cpuCapacity;
	}

	get memoryUsed() {
		return this.memoryCapacity - this.memoryAvailable;
	}

	get memoryRatio() {
		return (this.memoryCapacity - this.memoryAvailable) / this.memoryCapacity;
	}

	get diskUsed() {
		return this.diskCapacity - this.diskAvailable;
	}

	get diskRatio() {
		return (this.diskCapacity - this.diskAvailable) / this.diskCapacity;
	}
}

export class SystemInfoRequest {
	declare ["constructor"]: typeof SystemInfoRequest;
	static type = "request" as const;
	static src = "controller" as const;
	static dst = "host" as const;
	static Response = SystemInfo;
}

export class SystemInfoUpdateEvent {
	declare ["constructor"]: typeof SystemInfoUpdateEvent;
	static type = "event" as const;
	static src = "controller" as const;
	static dst = "control" as const;
	static permission = "core.system.subscribe" as const;

	constructor(
		public updates: SystemInfo[],
	) { }

	static jsonSchema = Type.Object({
		"updates": Type.Array(SystemInfo.jsonSchema),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.updates.map(update => SystemInfo.fromJSON(update)));
	}
}

export class DebugDumpWsRequest {
	declare ["constructor"]: typeof DebugDumpWsRequest;
	static type = "request" as const;
	static src = "control" as const;
	static dst = "controller" as const;
	static permission = "core.debug.dump_ws" as const;
}

export class DebugWsMessageEvent {
	declare ["constructor"]: typeof DebugWsMessageEvent;
	static type = "event" as const;
	static src = "controller" as const;
	static dst = "control" as const;

	constructor(
		public direction: string,
		public content: string,
	) { }

	static jsonSchema = Type.Object({
		"direction": Type.String(),
		"content": Type.String(),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.direction, json.content);
	}
}

export class FactorioVersionsRequest {
	declare ["constructor"]: typeof FactorioVersionsRequest;
	static type = "request" as const;
	static src = ["control", "host", "instance"] as const;
	static dst = "controller" as const;
	static permission = "core.external.get_factorio_versions" as const;

	constructor(
		public maxAgeMs: number = 5 * 60 * 1000, // Default 5 minutes
	) {}

	static jsonSchema = Type.Object({
		"maxAgeMs": Type.Number(),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.maxAgeMs);
	}

	static Response = plainJson(Type.Array(ExternalFactorioVersionSchema));
}

export class LatestReleasesRequest {
	declare ["constructor"]: typeof LatestReleasesRequest;
	static type = "request" as const;
	static src = ["control", "host", "instance"] as const;
	static dst = "controller" as const;
	static permission = "core.external.get_latest_releases" as const;

	constructor(
		public maxAgeMs: number = 5 * 60 * 1000, // Default 5 minutes
	) {}

	static jsonSchema = Type.Object({
		"maxAgeMs": Type.Number(),
	});

	static fromJSON(json: Static<typeof this.jsonSchema>) {
		return new this(json.maxAgeMs);
	}

	static Response = plainJson(LatestReleasesSchema);
}