package collector

import (
	"context"
	"testing"

	"queryorchestration/internal/database"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/serviceconfig"

	"github.com/google/uuid"
	"github.com/jackc/pgx/v5"
	"github.com/jackc/pgx/v5/pgtype"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestGetCreateParams(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	require.NoError(t, err)
	cfg := &serviceconfig.BaseConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)

	svc := Service{
		cfg: cfg,
		svc: &Services{},
	}

	minCleanV := int32(1)
	minTextV := int32(1)
	params := CreateParams{
		JobID:           uuid.New(),
		MinCleanVersion: &minCleanV,
		MinTextVersion:  &minTextV,
		Fields: &map[string]uuid.UUID{
			"example_key": uuid.New(),
		},
	}

	pool.ExpectQuery("name: AllQueriesExist :one").WithArgs(database.MustToDBUUIDArray([]uuid.UUID{(*params.Fields)["example_key"]})).WillReturnRows(
		pgxmock.NewRows([]string{"all_exist"}).
			AddRow(true),
	)

	dbparams, err := svc.getCreateParams(ctx, &params)
	assert.NoError(t, err)
	assert.EqualExportedValues(t, &dbCreateParams{
		JobID:           database.MustToDBUUID(params.JobID),
		MinCleanVersion: &minCleanV,
		MinTextVersion:  &minTextV,
		Fields: &map[string]pgtype.UUID{
			"example_key": database.MustToDBUUID((*params.Fields)["example_key"]),
		},
	}, dbparams)

	(*params.Fields)["second_key"] = (*params.Fields)["example_key"]
	assert.Len(t, *params.Fields, 2)
	_, err = svc.getCreateParams(ctx, &params)
	assert.Error(t, err)
}

func TestSubmitCreate(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	require.NoError(t, err)
	cfg := &serviceconfig.BaseConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)

	svc := Service{
		cfg: cfg,
		svc: &Services{},
	}

	minCleanV := int32(2)
	minTextV := int32(4)
	params := dbCreateParams{
		JobID:           database.MustToDBUUID(uuid.New()),
		MinCleanVersion: &minCleanV,
		MinTextVersion:  &minTextV,
		Fields: &map[string]pgtype.UUID{
			"example_key": database.MustToDBUUID(uuid.New()),
		},
	}

	pool.ExpectBeginTx(pgx.TxOptions{})
	pool.ExpectQuery("name: AddLatestCollectorVersion :one").WithArgs(params.JobID).WillReturnRows(
		pgxmock.NewRows([]string{"version"}).
			AddRow(int32(1)),
	)
	pool.ExpectExec("name: SetActiveCollectorVersion :exec").WithArgs(params.JobID, int32(1)).
		WillReturnResult(pgxmock.NewResult("", 1))
	pool.ExpectExec("name: SetCollectorCleanVersion :exec").WithArgs(params.JobID, int32(1), *params.MinCleanVersion).
		WillReturnResult(pgxmock.NewResult("", 1))
	pool.ExpectExec("name: SetCollectorTextVersion :exec").WithArgs(params.JobID, int32(1), *params.MinTextVersion).
		WillReturnResult(pgxmock.NewResult("", 1))
	pool.ExpectExec("name: AddCollectorQuery :exec").WithArgs(params.JobID, "example_key", (*params.Fields)["example_key"], int32(1)).
		WillReturnResult(pgxmock.NewResult("", 1))
	pool.ExpectCommit()

	err = svc.submitCreate(ctx, &params)
	assert.NoError(t, err)
}

func TestNormalizeFieldsToDB(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	require.NoError(t, err)
	cfg := &serviceconfig.BaseConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)

	svc := Service{
		cfg: cfg,
		svc: &Services{},
	}

	fields := map[string]uuid.UUID{
		"example_key": uuid.New(),
	}

	pool.ExpectQuery("name: AllQueriesExist :one").WithArgs(database.MustToDBUUIDArray([]uuid.UUID{fields["example_key"]})).WillReturnRows(
		pgxmock.NewRows([]string{"all_exist"}).
			AddRow(true),
	)

	dbparams, err := svc.NormalizeFieldsToDB(ctx, &fields)
	assert.NoError(t, err)
	assert.EqualExportedValues(t, &map[string]pgtype.UUID{
		"example_key": database.MustToDBUUID(fields["example_key"]),
	}, dbparams)

	fields["second_key"] = fields["example_key"]

	pool.ExpectQuery("name: AllQueriesExist :one").WithArgs(database.MustToDBUUIDArray([]uuid.UUID{fields["example_key"]})).WillReturnRows(
		pgxmock.NewRows([]string{"all_exist"}).
			AddRow(true),
	)

	_, err = svc.NormalizeFieldsToDB(ctx, &fields)
	assert.Error(t, err)
}