// mime-todo/lib/sprint.ts
export interface Sprint {
  name: string
  start: string // YYYY-MM-DD
  end: string   // YYYY-MM-DD
}

export function parseSprints(text: string): Sprint[] {
  const lines = text.split(/\r?\n/)
  const sprints: Sprint[] = []

  let current: Partial<Sprint> | null = null

  for (const line of lines) {
    // Start of sprint entry (must not trim indentation)
    if (/^\s*-\s*(Name:.*)?$/.test(line)) {
      if (current) sprints.push(current as Sprint)
      current = {}

      const match = line.match(/^\s*-\s*Name:\s*(.*)$/)
      if (match) current.name = match[1]
      continue
    }

    // Key-value pairs (must be indented)
    const kv = line.match(/^\s+([A-Za-z][A-Za-z0-9]*):\s*(.*)$/)
    if (kv && current) {
      const key = kv[1]
      const value = kv[2]

      if (key === "Name") current.name = value
      if (key === "Range") {
        const [start, end] = value.split("..")
        current.start = start
        current.end = end
      }
    }
  }

  if (current) sprints.push(current as Sprint)
  return sprints
}