package user

import (
	"embed"
	"io/fs"

	"git.golem15.com/golem15/fonoteka/plugins/golem15/user/classes"
	"git.golem15.com/golem15/fonoteka/plugins/golem15/user/models"
	"git.golem15.com/golem15/fonoteka/plugins/golem15/user/updates"
	"git.golem15.com/golem15/summercms/backpack"
	"git.golem15.com/golem15/summercms/bouncer"
	"git.golem15.com/golem15/summercms/pact"
	"git.golem15.com/golem15/summercms/party"
	"github.com/go-gormigrate/gormigrate/v2"
	"gorm.io/gorm"
)

var (
	_ party.Plugin         = (*Plugin)(nil)
	_ pact.HasConfig       = (*Plugin)(nil)
	_ pact.HasMigrations   = (*Plugin)(nil)
	_ pact.HasMiddleware   = (*Plugin)(nil)
	_ pact.HasModels       = (*Plugin)(nil)
	_ bouncer.UserProvider = classes.GormUsers{}
)

//go:embed config
var configFS embed.FS

// Plugin is the stub golem15.user plugin.
type Plugin struct {
	app *backpack.App
}

func (p *Plugin) ID() string         { return "golem15.user" }
func (p *Plugin) Requires() []string { return nil }

func (p *Plugin) Register(app *backpack.App) error {
	p.app = app
	return nil
}

func (p *Plugin) Boot(app *backpack.App) error {
	p.app = app
	secret, err := classes.JWTSecret(app)
	if err != nil {
		return err
	}
	if gdb, ok := app.Lookup[*gorm.DB](); ok {
		if err := classes.RegisterHooks(gdb); err != nil {
			return err
		}
	}
	reg, ok := app.Lookup[*bouncer.Registry]()
	if !ok || reg == nil {
		reg = bouncer.NewRegistry()
		if err := app.Publish(reg); err != nil {
			return err
		}
	}
	return reg.Register(p.ID(), "jwt", bouncer.NewJWTGuard(secret, classes.GormUsers{App: app}, nil))
}

func (p *Plugin) ConfigFS() fs.FS { return configFS }

func (p *Plugin) Migrations() []*gormigrate.Migration { return updates.All() }

func (p *Plugin) Models() []any { return models.All() }

func (p *Plugin) Middlewares() map[string]pact.Middleware {
	if p.app == nil {
		return nil
	}
	reg, ok := p.app.Lookup[*bouncer.Registry]()
	if !ok || reg == nil {
		return nil
	}
	mw, err := reg.Middleware("jwt")
	if err != nil {
		return nil
	}
	return map[string]pact.Middleware{"jwt.auth": mw}
}

func init() {
	party.Register(&Plugin{})
}