package collector

import (
	"context"

	"mfd-monitor-agent/internal/snapshot"
	"mfd-monitor-agent/internal/status"
)

// namedCollector binds a stable collector name to a collection function.
type namedCollector struct {
	name string
	fn   func(context.Context, *status.HostStatus) error
}

// Name returns the collector name used in snapshot error records.
func (c namedCollector) Name() string {
	return c.name
}

// Collect runs the wrapped collection function.
func (c namedCollector) Collect(ctx context.Context, out *status.HostStatus) error {
	return c.fn(ctx, out)
}

// New returns the default collector set for the current platform.
func New(hostID string) []snapshot.Collector {
	return []snapshot.Collector{
		namedCollector{name: "system", fn: func(ctx context.Context, out *status.HostStatus) error {
			return collectSystem(ctx, hostID, out)
		}},
		namedCollector{name: "network", fn: collectNetwork},
		namedCollector{name: "resource", fn: collectResource},
		namedCollector{name: "process", fn: collectProcesses},
		namedCollector{name: "socket", fn: collectSockets},
	}
}