// Client for project FS + process endpoints.  Phase 3 swapped the v1
// virtual-path system (/App.jsx, /styles.css) for real on-disk paths;
// the agent now edits anywhere in the tree via tools, so no bridge needed.

export async function getProject(projectId) {
  const r = await fetch(`/api/projects/${projectId}`)
  if (!r.ok) throw new Error(`getProject ${r.status}`)
  return r.json()
}

export async function getTree(projectId) {
  const r = await fetch(`/api/projects/${projectId}/tree`)
  if (!r.ok) throw new Error(`getTree ${r.status}`)
  return (await r.json()).entries
}

export async function readFile(projectId, path) {
  const r = await fetch(`/api/projects/${projectId}/files?path=${encodeURIComponent(path)}`)
  if (!r.ok) throw new Error(`readFile ${path} ${r.status}`)
  return (await r.json()).content
}

export async function writeFile(projectId, path, content) {
  const r = await fetch(`/api/projects/${projectId}/files`, {
    method: 'PUT',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ path, content }),
  })
  if (!r.ok) throw new Error(`writeFile ${path} ${r.status}`)
}

export async function deleteFile(projectId, path) {
  const r = await fetch(
    `/api/projects/${projectId}/files?path=${encodeURIComponent(path)}`,
    { method: 'DELETE' },
  )
  if (!r.ok && r.status !== 204) throw new Error(`deleteFile ${path} ${r.status}`)
}

// ── Process API ───────────────────────────────────────────────────────────────

export async function startProcesses(projectId) {
  const r = await fetch(`/api/projects/${projectId}/processes/start`, { method: 'POST' })
  if (!r.ok) throw new Error(`startProcesses ${r.status}`)
  return r.json()
}

export async function stopProcesses(projectId) {
  const r = await fetch(`/api/projects/${projectId}/processes/stop`, { method: 'POST' })
  if (!r.ok) throw new Error(`stopProcesses ${r.status}`)
  return r.json()
}

export async function getProcessStatus(projectId) {
  const r = await fetch(`/api/projects/${projectId}/processes`)
  if (!r.ok) throw new Error(`getProcessStatus ${r.status}`)
  return r.json()
}