import {
  isProjectOwnership,
  type ProjectOwnership,
} from "../shared/project-ownership.ts";
import { isProjectType, type ProjectType } from "../shared/project-type.ts";

export const PROJECT_CREATE_USAGE =
  "Usage: raidiant-hub project create <id> <type> <ownership> <name> (type: product|tool; ownership: company|personal)";

export type ProjectCreateArgs =
  | { error: string }
  | { id: string; type: ProjectType; ownership: ProjectOwnership; name: string };

/** Parse `project create <id> <type> <ownership> <name...>` from CLI positional args. */
export const parseProjectCreateArgs = (positional: string[]): ProjectCreateArgs | undefined => {
  if (positional[0] !== "project" || positional[1] !== "create") return undefined;
  if (!positional[2] || !positional[3] || !positional[4] || !positional[5]) {
    return { error: PROJECT_CREATE_USAGE };
  }
  const type = positional[3];
  if (!isProjectType(type)) {
    return { error: "Project type must be product or tool." };
  }
  const ownership = positional[4];
  if (!isProjectOwnership(ownership)) {
    return { error: "Project ownership must be company or personal." };
  }
  return {
    id: positional[2],
    type,
    ownership,
    name: positional.slice(5).join(" "),
  };
};