import type { Argv, ArgumentsCamelCase } from "yargs"
import { CLICommand } from "../cli/CLICommand"
import { parseTodoFile } from "../file"

export class IssuesInSprintCommand extends CLICommand {
  readonly name = "issues-in-sprint <name>"
  readonly help = "List issues in a sprint"
  readonly description = "Find issues whose date range overlaps with a sprint"

  addArguments(yargs: Argv): Argv {
    return yargs.positional("name", { type: "string", demandOption: true })
  }

  async execute(args: ArgumentsCamelCase): Promise<number> {
    const todo = await parseTodoFile()
    const sprint = todo.sprints.find(s => s.name === args.name)
    if (!sprint) {
      console.error(`Sprint not found: ${args.name}`)
      return 1
    }

    const { start, end } = sprint
    for (const issue of todo.issues) {
      const ds = issue.dueStart ?? issue.dueEnd
      const de = issue.dueEnd ?? issue.dueStart
      if (!ds || !de) continue
      if (ds <= end && de >= start) {
        console.log(`#${issue.id} [${issue.type}] (${issue.status}) ${issue.title}`)
      }
    }
    return 0
  }
}