package database

import (
	"context"
	"log/slog"
	"os"
	"time"

	"go.uber.org/fx"
)

// NewTestRetentionReaper builds a RetentionReaper backed by the given
// main database and per-webhook database manager, without the fx
// lifecycle. Intended for tests.
func NewTestRetentionReaper(
	db *Database,
	mgr *WebhookDBManager,
) *RetentionReaper {
	return &RetentionReaper{
		db:        db,
		dbManager: mgr,
		log: slog.New(slog.NewTextHandler(
			os.Stderr,
			&slog.HandlerOptions{Level: slog.LevelDebug},
		)),
		interval: time.Hour,
	}
}

// ExportSweep runs a single retention sweep synchronously for tests.
func (r *RetentionReaper) ExportSweep(ctx context.Context) {
	r.sweep(ctx)
}

// ExportRegisterHooks registers the reaper's real fx lifecycle hooks
// on a lifecycle supplied by a test, so a test can drive the exact
// OnStart/OnStop functions the application runs and hand OnStart the
// kind of context fx actually supplies.
func (r *RetentionReaper) ExportRegisterHooks(lc fx.Lifecycle) {
	r.registerHooks(lc)
}

// ExportStart starts the reaper's background loop for tests.
func (r *RetentionReaper) ExportStart() {
	r.start()
}

// ExportStop stops the reaper's background loop for tests.
func (r *RetentionReaper) ExportStop() {
	r.stop()
}

// ExportSetInterval overrides the sweep interval for tests.
func (r *RetentionReaper) ExportSetInterval(d time.Duration) {
	r.interval = d
}