-- The plugin-managed daemon lifecycle (tech-spec §8): plug-and-play autostart,
-- self-heal on a dropped connection, and connect-only when autostart is off.

local h = require("e2e.helpers")

describe("managed daemon", function()
  local t
  before_each(function()
    t = h.tmp() -- temp paths; no daemon spawned by the harness
  end)
  after_each(function()
    pcall(function()
      require("heph.daemon").stop_spawned()
    end)
    pcall(function()
      require("heph.rpc").close()
    end)
    require("heph.rpc").set_respawn(nil)
    t.rm()
  end)

  it("autostart spawns a local daemon and connects plug-and-play", function()
    require("heph").setup({
      socket = t.sock,
      db = t.db,
      bin = h.hephd_bin(),
      autostart = true,
      keymaps = false,
    })
    assert.is_true(require("heph.daemon").is_managed())
    -- A real call works because the plugin brought the daemon up itself.
    assert.is_truthy(require("heph.rpc").call("health", {}))
  end)

  it("self-heals: respawns and reconnects when the daemon dies", function()
    require("heph").setup({
      socket = t.sock,
      db = t.db,
      bin = h.hephd_bin(),
      autostart = true,
      keymaps = false,
    })
    require("heph.rpc").call("health", {})

    -- Kill the managed daemon out from under the plugin.
    local m = require("heph.daemon")._managed
    m.handle:kill("sigterm")
    vim.wait(2000, function()
      return m.exited.done
    end, 20)

    -- The next call transparently respawns the daemon and succeeds.
    assert.is_truthy(require("heph.rpc").call("health", {}))
    assert.is_true(require("heph.daemon").is_managed())
  end)

  it("connect-only (autostart=false) errors when no daemon is running", function()
    require("heph").setup({
      socket = t.sock,
      autostart = false,
      keymaps = false,
    })
    assert.is_false(require("heph.daemon").is_managed())
    -- No daemon, no autostart, no self-heal → a call fails loudly.
    local ok = pcall(require("heph.rpc").call, "health", {})
    assert.is_false(ok, "expected connect-only to fail with no daemon running")
  end)
end)