import type { Nsid } from "@atcute/lexicons/syntax";
import type { OAuthUserAgent } from "@atcute/oauth-browser-client";
import { deleteRecord, putRecord } from "./write";
import type { BobbinContext, XrpcRequestInit } from "./client";
import { jsonGet } from "./_request";
import type { RecordList, RecordView } from "./records";
import type * as ShTangledRepoIssue from "./lexicons/types/sh/tangled/repo/issue";
import type * as ShTangledRepoIssueState from "./lexicons/types/sh/tangled/repo/issue/state";

export type IssueRecord = ShTangledRepoIssue.Main;
export type IssueStateRecord = ShTangledRepoIssueState.Main;

const ISSUE_COLLECTION = "sh.tangled.repo.issue" as Nsid;

export const putIssue = async (
	agent: OAuthUserAgent,
	rkey: string,
	record: IssueRecord
): Promise<RecordView<IssueRecord>> => {
	const { uri, cid } = await putRecord(agent, ISSUE_COLLECTION, rkey, record);
	return { uri, cid, value: record };
};

export const deleteIssue = async (agent: OAuthUserAgent, rkey: string): Promise<void> => {
	await deleteRecord(agent, ISSUE_COLLECTION, rkey);
};

export const getIssue = (ctx: BobbinContext, issue: string, init?: XrpcRequestInit) =>
	jsonGet<RecordView<IssueRecord>>(ctx, "sh.tangled.repo.getIssue", { issue }, init);

export const getIssues = (ctx: BobbinContext, issues: readonly string[], init?: XrpcRequestInit) =>
	jsonGet<RecordList<IssueRecord>>(ctx, "sh.tangled.repo.getIssues", { issues }, init);

export type IssueState = "open" | "closed";

// a listIssues row: the embedded issue record plus bobbin-derived state/counts.
export interface IssueListItem {
	cid?: string;
	commentCount: number;
	state: string;
	stateUpdatedAt?: string;
	uri: string;
	value: IssueRecord;
}

export interface IssueListPage {
	cursor?: string | null;
	items: IssueListItem[];
}

export interface ListIssuesFilter {
	state?: IssueState;
	author?: string;
	limit?: number;
	cursor?: string;
	order?: "asc" | "desc";
}

export const listIssues = (
	ctx: BobbinContext,
	subject: string,
	filter: ListIssuesFilter = {},
	init?: XrpcRequestInit
) => jsonGet<IssueListPage>(ctx, "sh.tangled.repo.listIssues", { subject, ...filter }, init);

export interface IssueStateList {
	cursor?: string | null;
	items: RecordView<IssueStateRecord>[];
}

export const listIssueStates = (
	ctx: BobbinContext,
	subject: string,
	filter: { limit?: number; cursor?: string; order?: "asc" | "desc" } = {},
	init?: XrpcRequestInit
) => jsonGet<IssueStateList>(ctx, "sh.tangled.repo.issue.listStates", { subject, ...filter }, init);