package server

import (
	"net/http"

	"git.lohmar.co.uk/cclohmar/NextMyDay/internal/core/setup"
)

// setupModule is the `do` module name for the SPEC-005 wizard steps. The
// wizard is a reserved level-1 workflow (`/setup`) whose steps are actions.
const setupModule = "setup"

// RegisterSetupFlow registers the SPEC-005 `/setup` wizard: the page (the core
// `setup` workflow) and the action module (domain.save · admin.create ·
// admin.enroll.* · admin.totp.* · finish). The door gates them to setup mode
// and verifies the pre-session CSRF token (A15) before dispatch.
func RegisterSetupFlow(reg *MapRegistry, a *setup.Actions) {
	reg.RegisterCore("setup", adaptSetup(a.Page))

	reg.RegisterModule(NewModule(setupModule).
		AddAction("domain.save", "domain.save", adaptSetup(a.DomainSave)).
		AddAction("admin.create", "admin.create", adaptSetup(a.AdminCreate)).
		// Step 2 is TOTP only (D-041) — there is no admin.enroll.* action.
		AddAction("admin.totp.begin", "admin.totp.begin", adaptSetup(a.TOTPBegin)).
		AddAction("admin.totp.verify", "admin.totp.verify", adaptSetup(a.TOTPVerify)).
		AddAction("finish", "finish", adaptSetup(a.Finish)))
}

// setupFunc is a wizard handler. The door resolves the workflow; the wizard
// never parses a raw path.
type setupFunc func(w http.ResponseWriter, r *http.Request) error

// adaptSetup adapts a wizard handler to the door's Handler signature.
func adaptSetup(f setupFunc) Handler {
	return func(w http.ResponseWriter, r *http.Request, _ *RequestContext) error {
		return f(w, r)
	}
}