package migratecli

import (
	"context"
	"database/sql"
	"fmt"

	"gitea.auvem.com/go-toolkit/app"
	"gitea.auvem.com/go-toolkit/appcli"
	"gitea.auvem.com/go-toolkit/migrate"
	"github.com/pressly/goose/v3"
	"github.com/urfave/cli/v3"
)

// MigrateCmd returns the main migrate command.
func MigrateCmd(sqlo *sql.DB, directDeps []*app.Module, childDeps []*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:     "migrate",
		Usage:    "Migrate the database",
		Commands: AllSubcommands(sqlo, childDeps...),
	}, directDeps...)
}

// AllSubcommands returns all subcommands of the migrate command.
func AllSubcommands(sqlo *sql.DB, deps ...*app.Module) []*cli.Command {
	return []*cli.Command{
		MigrateStatusCmd(sqlo, deps...),
		MigrateCreateCmd(sqlo, deps...),
		MigrateUpCmd(sqlo, deps...),
		MigrateUpToCmd(sqlo, deps...),
		MigrateDownCmd(sqlo, deps...),
		MigrateDownToCmd(sqlo, deps...),
		MigrateRedoCmd(sqlo, deps...),
	}
}

// MigrateStatusCmd returns a command to get database migration status.
func MigrateStatusCmd(sqlo *sql.DB, deps ...*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:  "status",
		Usage: "Get database migration status",
		Action: func(ctx context.Context, cmd *cli.Command) error {
			if err := goose.Status(sqlo, migrate.MigrationsConfig().BasePath); err != nil {
				return fmt.Errorf("couldn't get migration status: %v", err)
			}

			return nil
		},
	}, deps...)
}

// MigrateCreateCmd returns a command to create a new migration.
func MigrateCreateCmd(sqlo *sql.DB, deps ...*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:  "create",
		Usage: "Create a new migration",
		Arguments: []cli.Argument{
			&cli.StringArg{Name: "name", UsageText: "Name of the migration"},
			&cli.StringArg{Name: "type", UsageText: "Type of the migration (e.g., sql, go)"},
		},
		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:  "sequential",
				Usage: "Create migration in sequential mode",
			},
		},
		Action: func(ctx context.Context, cmd *cli.Command) error {
			sequential := cmd.Bool("sequential")
			if sequential {
				goose.SetSequential(sequential)
			}

			if err := goose.Create(sqlo, "migrations", cmd.StringArg("name"), cmd.StringArg("type")); err != nil {
				return fmt.Errorf("couldn't create migration: %v", err)
			}

			return nil
		},
	}, deps...)
}

// MigrateUpCmd returns a command to apply all available database migrations.
func MigrateUpCmd(sqlo *sql.DB, deps ...*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:  "up",
		Usage: "Apply all available database migrations",
		Action: func(ctx context.Context, cmd *cli.Command) error {
			if err := goose.Up(sqlo, migrate.MigrationsConfig().BasePath); err != nil {
				return fmt.Errorf("couldn't apply migrations: %v", err)
			}
			return nil
		},
	}, deps...)
}

// MigrateUpToCmd returns a command to apply all available database migrations up to a specific version.
func MigrateUpToCmd(sqlo *sql.DB, deps ...*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:  "up-to",
		Usage: "Apply all available database migrations up to a specific version",
		Arguments: []cli.Argument{
			&cli.Int64Arg{
				Name:      "version",
				UsageText: "Target version to migrate up to",
			},
		},
		Action: func(ctx context.Context, cmd *cli.Command) error {
			version := cmd.Int64("version")
			if err := goose.UpTo(sqlo, migrate.MigrationsConfig().BasePath, version); err != nil {
				return fmt.Errorf("couldn't apply migrations to target version %d: %v", version, err)
			}
			return nil
		},
	}, deps...)
}

// MigrateDownCmd returns a command to rollback the most recent database migration.
func MigrateDownCmd(sqlo *sql.DB, deps ...*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:  "down",
		Usage: "Rollback the most recent database migration",
		Action: func(ctx context.Context, cmd *cli.Command) error {
			if err := goose.Down(sqlo, migrate.MigrationsConfig().BasePath); err != nil {
				return fmt.Errorf("couldn't rollback migration: %v", err)
			}
			return nil
		},
	}, deps...)
}

// MigrateDownToCmd returns a command to rollback all database migrations down to a specific version.
func MigrateDownToCmd(sqlo *sql.DB, deps ...*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:  "down-to",
		Usage: "Rollback all database migrations down to a specific version",
		Arguments: []cli.Argument{
			&cli.Int64Arg{
				Name:      "version",
				UsageText: "Target version to rollback to",
			},
		},
		Action: func(ctx context.Context, cmd *cli.Command) error {
			version := cmd.Int64("version")
			if err := goose.DownTo(sqlo, migrate.MigrationsConfig().BasePath, version); err != nil {
				return fmt.Errorf("couldn't rollback migrations to target version %d: %v", version, err)
			}
			return nil
		},
	}, deps...)
}

// MigrateRedoCmd returns a command to rollback the most recent database migration and reapply it.
func MigrateRedoCmd(sqlo *sql.DB, deps ...*app.Module) *cli.Command {
	return appcli.NewCommand(&cli.Command{
		Name:  "redo",
		Usage: "Rollback the most recent database migration and reapply it",
		Action: func(ctx context.Context, cmd *cli.Command) error {
			if err := goose.Redo(sqlo, migrate.MigrationsConfig().BasePath); err != nil {
				return fmt.Errorf("couldn't redo migration: %v", err)
			}
			return nil
		},
	}, deps...)
}