package quizzes

import (
	"git.golem15.com/golem15/sm-quizzes-plugin/controllers/api"
	"git.golem15.com/golem15/summercms/modules/pact"
	"git.golem15.com/golem15/summercms/modules/surf"
)

var _ pact.HasRoutes = (*Plugin)(nil)

// ManagePrefix is the path prefix of the management API.
const ManagePrefix = "/api/v1/quizzes"

// ReviewPrefix is the path prefix of the owner review routes (the MCP
// review tools). It is a separate prefix on purpose: under ManagePrefix a
// literal segment such as /reviews would shadow the quiz whose slug it is.
const ReviewPrefix = "/api/v1/quiz-reviews"

// permQuizzes is the permission that lets a user manage quizzes, in the
// admin and through the management API.
const permQuizzes = "golem15.quizzes.access_quizzes"

// bucketManage limits the owner manage routes (the MCP quiz tools). It runs
// after user.api_token, so it keys by user.
const bucketManage = "golem15.quizzes.manage"

// Routes mounts the quiz API under /_quizzes/api/v1 behind golem15.user's
// jwt.auth middleware, and the management API under /api/v1/quizzes behind
// its application-wide API token: the import route, and the owner manage
// routes the MCP quiz tools bind, which also need the access_quizzes
// permission and run under the per-user golem15.quizzes.manage throttle.
// The owner review routes under /api/v1/quiz-reviews (the MCP review
// tools) run behind the same middleware and permission (D-13).
func (p *Plugin) Routes(r pact.Router) error {
	h := api.New(p.app)
	r.Group("/_quizzes/api/v1", surf.Use("jwt.auth"), func(g pact.Router) {
		g.Get("/quizzes", h.ListQuizzes)
		g.Get("/quizzes/{slug}", h.ShowQuiz)
		g.Where("slug", `[a-z0-9-]+`)
		g.Post("/quizzes/{slug}/attempts", h.StartAttempt)
		g.Where("slug", `[a-z0-9-]+`)
		g.Get("/attempts", h.ListAttempts)
		g.Get("/attempts/{id}", h.ShowAttempt)
		g.Where("id", `[0-9]+`)
		g.Post("/attempts/{id}/answers", h.Answer)
		g.Where("id", `[0-9]+`)
		g.Post("/attempts/{id}/finish", h.Finish)
		g.Where("id", `[0-9]+`)
	})
	// quizzes:import over HTTP. The token's scope limits delegation;
	// user.permission checks the owner's current group permissions.
	r.Group(ManagePrefix, surf.Use("throttle:60,1", "user.api_token"), func(g pact.Router) {
		g.Post("/import", h.ImportQuiz, "user.scope:write", "user.permission:"+permQuizzes)
	})
	// The owner manage routes (MCP). user.api_token runs first so the
	// bucket keys by user; every route needs the permission, so a student
	// whose groups lack it never lists or reaches these tools.
	perm := "user.permission:" + permQuizzes
	r.Group(ManagePrefix, surf.Use("user.api_token", "throttle:"+bucketManage), func(g pact.Router) {
		g.Get("", h.ManageListQuizzes, "user.scope:read", perm)
		g.Get("/{slug}", h.ManageShowQuiz, "user.scope:read", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Post("", h.ManageCreateQuiz, "user.scope:write", perm)
		g.Patch("/{slug}", h.ManageUpdateQuiz, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Delete("/{slug}", h.ManageDeleteQuiz, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Post("/{slug}/publish", h.ManagePublish, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Post("/{slug}/unpublish", h.ManageUnpublish, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Get("/{slug}/stats", h.ManageQuizStats, "user.scope:read", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Post("/{slug}/questions", h.ManageCreateQuestion, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Patch("/{slug}/questions/{id}", h.ManageUpdateQuestion, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Where("id", "[0-9]+")
		g.Delete("/{slug}/questions/{id}", h.ManageDeleteQuestion, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
		g.Where("id", "[0-9]+")
		g.Put("/{slug}/questions/order", h.ManageReorderQuestions, "user.scope:write", perm)
		g.Where("slug", `[a-z0-9-]+`)
	})
	// The owner review routes (MCP review tools): the queue of open
	// answers and the owner's decisions on them.
	r.Group(ReviewPrefix, surf.Use("user.api_token", "throttle:"+bucketManage), func(g pact.Router) {
		g.Get("", h.ReviewList, "user.scope:read", perm)
		g.Get("/{id}", h.ReviewShow, "user.scope:read", perm)
		g.Where("id", "[0-9]+")
		g.Post("/{id}/confirm", h.ReviewConfirm, "user.scope:write", perm)
		g.Where("id", "[0-9]+")
		g.Post("/{id}/score", h.ReviewSetScore, "user.scope:write", perm)
		g.Where("id", "[0-9]+")
		g.Post("/confirm", h.ReviewConfirmBulk, "user.scope:write", perm)
		g.Post("/regrade", h.ReviewRegrade, "user.scope:write", perm)
	})
	return nil
}