package storage

import (
	"errors"
	"testing"
)

func TestAdvOrderRoundTrip(t *testing.T) {
	setupTestDB(t)

	o, err := InsertAdvOrder("sub-1", "josie", "tok-josie", "Josie", AdvActionExtract)
	if err != nil {
		t.Fatalf("insert: %v", err)
	}
	if o.GUID == "" || o.Status != AdvOrderPending {
		t.Fatalf("order = %+v, want a guid and pending", o)
	}

	pending, err := PendingAdvOrders(10)
	if err != nil {
		t.Fatalf("pending: %v", err)
	}
	if len(pending) != 1 || pending[0].GUID != o.GUID || pending[0].Action != AdvActionExtract {
		t.Fatalf("pending = %+v", pending)
	}

	got, err := ResolveAdvOrder(o.GUID, AdvOrderApplied, "out on day 3")
	if err != nil {
		t.Fatalf("resolve: %v", err)
	}
	if got.Status != AdvOrderApplied || got.Detail != "out on day 3" {
		t.Fatalf("resolved = %+v", got)
	}
	if left, _ := PendingAdvOrders(10); len(left) != 0 {
		t.Fatalf("a resolved order is still pending: %+v", left)
	}
}

// TestAdvOrderVerdictOnlyMovesAPendingRow is the idempotency mechanic: gogobee
// retries its verdict push, so the second one must be a read, not a write.
func TestAdvOrderVerdictOnlyMovesAPendingRow(t *testing.T) {
	setupTestDB(t)
	o, _ := InsertAdvOrder("sub-1", "josie", "tok-josie", "Josie", AdvActionSiegeJoin)
	if _, err := ResolveAdvOrder(o.GUID, AdvOrderApplied, "first"); err != nil {
		t.Fatalf("first verdict: %v", err)
	}
	got, err := ResolveAdvOrder(o.GUID, AdvRejectedNoSiege, "second")
	if err != nil {
		t.Fatalf("second verdict: %v", err)
	}
	if got.Status != AdvOrderApplied || got.Detail != "first" {
		t.Fatalf("order = %q/%q, want the first verdict to stand", got.Status, got.Detail)
	}
}

func TestAdvOrderRejectsBadInput(t *testing.T) {
	setupTestDB(t)

	if _, err := InsertAdvOrder("sub-1", "josie", "tok", "Josie", "sell_house"); err == nil {
		t.Fatal("an unknown action was accepted")
	}
	o, _ := InsertAdvOrder("sub-1", "josie", "tok", "Josie", AdvActionExtract)
	if _, err := ResolveAdvOrder(o.GUID, "exploded", ""); err == nil {
		t.Fatal("an unknown verdict was accepted")
	}
	if _, err := AdvOrderByGUID("nope"); !errors.Is(err, ErrNoSuchAdvOrder) {
		t.Fatalf("unknown guid err = %v, want ErrNoSuchAdvOrder", err)
	}
}

// TestHasPendingAdvOrderIsPerVerb: the guard stops a double-click on one button,
// not the other button.
func TestHasPendingAdvOrderIsPerVerb(t *testing.T) {
	setupTestDB(t)
	o, _ := InsertAdvOrder("sub-1", "josie", "tok", "Josie", AdvActionExtract)

	if got, _ := HasPendingAdvOrder("sub-1", AdvActionExtract); !got {
		t.Fatal("a pending extract wasn't seen")
	}
	if got, _ := HasPendingAdvOrder("sub-1", AdvActionSiegeJoin); got {
		t.Fatal("a pending extract blocked a bout")
	}
	if got, _ := HasPendingAdvOrder("sub-2", AdvActionExtract); got {
		t.Fatal("one owner's pending order was seen for another")
	}
	// A resolved order stops holding the verb.
	if _, err := ResolveAdvOrder(o.GUID, AdvOrderApplied, ""); err != nil {
		t.Fatalf("resolve: %v", err)
	}
	if got, _ := HasPendingAdvOrder("sub-1", AdvActionExtract); got {
		t.Fatal("a resolved order still holds its verb")
	}
}

func TestAdvOrdersByOwnerScopes(t *testing.T) {
	setupTestDB(t)
	if _, err := InsertAdvOrder("sub-A", "alice", "tok-a", "Alice", AdvActionExtract); err != nil {
		t.Fatalf("insert: %v", err)
	}
	if _, err := InsertAdvOrder("sub-B", "bob", "tok-b", "Bob", AdvActionExtract); err != nil {
		t.Fatalf("insert: %v", err)
	}
	got, err := AdvOrdersByOwner("sub-A", 10)
	if err != nil {
		t.Fatalf("by owner: %v", err)
	}
	if len(got) != 1 || got[0].OwnerLocalpart != "alice" {
		t.Fatalf("orders = %+v, want only alice's", got)
	}
	if n, _ := CountAdvOrdersSince("sub-A", 0); n != 1 {
		t.Fatalf("count = %d, want 1", n)
	}
}