package document_test

import (
	"context"
	"errors"
	"queryorchestration/internal/database"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/document"
	"testing"

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

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

	pool, err := pgxmock.NewPool()
	if err != nil {
		t.Fatalf("failed to open pgxmock database: %v", err)
	}
	queries := repository.New(pool)
	db := &database.Connection{
		Queries: queries,
		Pool:    pool,
	}

	doc := document.Document{
		ID:    uuid.New(),
		JobID: uuid.New(),
		Name:  "document_name",
	}

	dbCollectorId := database.MustToDBUUID(uuid.New())
	dbJobID := database.MustToDBUUID(doc.JobID)
	minCleanVersion := int32(1)
	minTextVersion := int32(1)

	pool.ExpectQuery("name: GetCollectorFromJobID :one").WithArgs(dbJobID).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "jobId", "minCleanVersion", "minTextVersion"}).
				AddRow(dbCollectorId, dbJobID, minCleanVersion, minTextVersion),
		)
	pool.ExpectQuery("name: ListResultsByDocumentID :many").WithArgs(database.MustToDBUUID(doc.ID), minCleanVersion, minTextVersion).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "queryId", "queryVersion"}).
				AddRow(pgtype.UUID{}, pgtype.UUID{}, int32(1)),
		)
	pool.ExpectQuery("name: GetCollectorQueries :many").WithArgs(dbCollectorId).
		WillReturnRows(
			pgxmock.NewRows([]string{"collectorId", "queryId", "type", "queryVersion", "requiredIds"}).
				AddRow(dbCollectorId, pgtype.UUID{}, repository.NullQuerytype{Querytype: repository.QuerytypeJsonExtractor, Valid: true}, pgtype.Int4{Int32: int32(1), Valid: true}, []pgtype.UUID{}),
		)

	docSvc := document.New(db)
	err = docSvc.Sync(ctx, &doc)
	assert.Nil(t, err)
}

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

	pool, err := pgxmock.NewPool()
	if err != nil {
		t.Fatalf("failed to open pgxmock database: %v", err)
	}
	queries := repository.New(pool)
	db := &database.Connection{
		Queries: queries,
		Pool:    pool,
	}

	doc := document.Document{
		ID:    uuid.New(),
		JobID: uuid.New(),
		Name:  "document_name",
	}

	dbCollectorId := database.MustToDBUUID(uuid.New())
	dbJobID := database.MustToDBUUID(doc.JobID)
	dbQueryID := database.MustToDBUUID(uuid.New())
	minCleanVersion := int32(1)
	minTextVersion := int32(1)

	pool.ExpectQuery("name: GetCollectorFromJobID :one").WithArgs(dbJobID).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "jobId", "minCleanVersion", "minTextVersion"}),
		)

	docSvc := document.New(db)
	err = docSvc.Sync(ctx, &doc)
	assert.EqualError(t, err, "no rows in result set")

	pool.ExpectQuery("name: GetCollectorFromJobID :one").WithArgs(dbJobID).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "jobId", "minCleanVersion", "minTextVersion"}).
				AddRow(dbCollectorId, dbJobID, minCleanVersion, minTextVersion),
		)
	dbErr := "database failure"
	pool.ExpectQuery("name: ListResultsByDocumentID :many").WithArgs(database.MustToDBUUID(doc.ID), minCleanVersion, minTextVersion).
		WillReturnError(errors.New(dbErr))

	docSvc = document.New(db)
	err = docSvc.Sync(ctx, &doc)
	assert.EqualError(t, err, dbErr)

	pool.ExpectQuery("name: GetCollectorFromJobID :one").WithArgs(dbJobID).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "jobId", "minCleanVersion", "minTextVersion"}).
				AddRow(dbCollectorId, dbJobID, minCleanVersion, minTextVersion),
		)
	pool.ExpectQuery("name: ListResultsByDocumentID :many").WithArgs(database.MustToDBUUID(doc.ID), minCleanVersion, minTextVersion).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "queryId", "queryVersion"}),
		)
	dbErr = "database failure"
	pool.ExpectQuery("name: GetCollectorQueries :many").WithArgs(dbCollectorId).
		WillReturnError(errors.New(dbErr))

	docSvc = document.New(db)
	err = docSvc.Sync(ctx, &doc)
	assert.EqualError(t, err, dbErr)

	pool.ExpectQuery("name: GetCollectorFromJobID :one").WithArgs(dbJobID).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "jobId", "minCleanVersion", "minTextVersion"}).
				AddRow(dbCollectorId, dbJobID, minCleanVersion, minTextVersion),
		)
	pool.ExpectQuery("name: ListResultsByDocumentID :many").WithArgs(database.MustToDBUUID(doc.ID), minCleanVersion, minTextVersion).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "queryId", "queryVersion"}),
		)
	dbErr = "database failure"
	pool.ExpectQuery("name: GetCollectorQueries :many").WithArgs(dbCollectorId).
		WillReturnRows(
			pgxmock.NewRows([]string{"collectorId", "queryId", "type", "queryVersion", "requiredIds"}).
				AddRow(dbCollectorId, dbQueryID, repository.NullQuerytype{Querytype: repository.QuerytypeJsonExtractor, Valid: true}, pgtype.Int4{Int32: int32(1), Valid: true}, []pgtype.UUID{}),
		)
	pool.ExpectQuery("name: ListResultValuesByID :many").WithArgs([]pgtype.UUID{}).
		WillReturnError(errors.New(dbErr))

	docSvc = document.New(db)
	err = docSvc.Sync(ctx, &doc)
	assert.EqualError(t, err, dbErr)
}

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

	pool, err := pgxmock.NewPool()
	if err != nil {
		t.Fatalf("failed to open pgxmock database: %v", err)
	}
	queries := repository.New(pool)
	db := &database.Connection{
		Queries: queries,
		Pool:    pool,
	}

	doc := document.Document{
		ID:    uuid.New(),
		JobID: uuid.New(),
		Name:  "document_name",
	}

	dbCollectorId := database.MustToDBUUID(uuid.New())
	dbJobID := database.MustToDBUUID(doc.JobID)
	dbQueryID := database.MustToDBUUID(uuid.New())
	minCleanVersion := int32(1)
	minTextVersion := int32(1)

	pool.ExpectQuery("name: GetCollectorFromJobID :one").WithArgs(dbJobID).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "jobId", "minCleanVersion", "minTextVersion"}).
				AddRow(dbCollectorId, dbJobID, minCleanVersion, minTextVersion),
		)
	pool.ExpectQuery("name: ListResultsByDocumentID :many").WithArgs(database.MustToDBUUID(doc.ID), minCleanVersion, minTextVersion).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "queryId", "queryVersion"}),
		)
	pool.ExpectQuery("name: GetCollectorQueries :many").WithArgs(dbCollectorId).
		WillReturnRows(
			pgxmock.NewRows([]string{"collectorId", "queryId", "type", "queryVersion", "requiredIds"}).
				AddRow(dbCollectorId, dbQueryID, repository.NullQuerytype{Querytype: repository.QuerytypeJsonExtractor, Valid: true}, pgtype.Int4{Int32: int32(1), Valid: true}, []pgtype.UUID{}),
		)
	pool.ExpectQuery("name: ListResultValuesByID :many").WithArgs([]pgtype.UUID{}).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "queryId", "value"}),
		)

	docSvc := document.New(db)
	err = docSvc.Sync(ctx, &doc)
	assert.EqualError(t, err, "JSON Extraction requires 1 result")
}