package api

import (
	"errors"
	"net/http"

	"github.com/go-chi/chi/v5"

	"github.com/hanzoai/bootnode/api/handlers"
	"github.com/hanzoai/bootnode/api/middleware"
	bootnodezap "github.com/hanzoai/bootnode/zap/gen"
)

// Mount registers every Bootnode HTTP route + ZAP service onto r,
// using deps for cross-subsystem calls. This is the HIP-0106
// subsystem contract: superbase calls Mount on the unified binary's
// root mux, cmd/bootnode calls it on a fresh chi.Mux.
//
// Routes are grouped by FastAPI parity:
//
//	GET    /health                         liveness
//	GET    /ready                          readiness (deps reachable)
//
//	POST   /v1/auth/register               local-dev auth (TODO: IAM-only in prod)
//	POST   /v1/auth/login
//	GET    /v1/auth/me
//	POST   /v1/auth/oauth/callback         IAM OAuth code exchange
//
//	GET    /v1/chains                      list supported chains
//	GET    /v1/chains/{chain}              chain details
//
//	POST   /v1/rpc/{chain}                 JSON-RPC proxy
//	POST   /v1/rpc/{chain}/{network}
//
//	GET    /v1/tokens/{chain}/balances/{address}
//	GET    /v1/tokens/{chain}/metadata/{contract}
//	POST   /v1/tokens/{chain}              (batched)
//	POST   /v1/tokens/{chain}/{network}
//
//	GET    /v1/nfts/{chain}/owned/{address}
//	GET    /v1/nfts/{chain}/collection/{contract}
//	GET    /v1/nfts/{chain}/metadata/{contract}/{tokenId}
//	POST   /v1/nfts/{chain}/refresh/{contract}/{tokenId}
//
//	GET    /v1/transfers/{chain}/address/{address}
//	GET    /v1/transfers/{chain}/tx/{txHash}
//	POST   /v1/transfers/{chain}/send
//
//	POST   /v1/wallets/create
//	GET    /v1/wallets
//	GET    /v1/wallets/{address}
//	POST   /v1/wallets/{address}/estimate
//	GET    /v1/wallets/{address}/nonce
//
//	POST   /v1/bundler/{chain}             ERC-4337 RPC
//	POST   /v1/bundler/{chain}/{network}
//
//	GET    /v1/gas/{chain}/prices
//	POST   /v1/gas/sponsor
//	POST   /v1/gas/estimate
//	GET    /v1/gas/policies
//	POST   /v1/gas/policies
//	GET    /v1/gas/policies/{id}
//	DELETE /v1/gas/policies/{id}
//
//	POST   /v1/webhooks
//	GET    /v1/webhooks
//	GET    /v1/webhooks/{id}
//	PATCH  /v1/webhooks/{id}
//	DELETE /v1/webhooks/{id}
//	GET    /v1/webhooks/{id}/deliveries
//	POST   /v1/webhooks/{id}/test
//
//	POST   /v1/auth-keys/projects
//	GET    /v1/auth-keys/projects/{id}
//	POST   /v1/auth-keys/keys
//	GET    /v1/auth-keys/keys
//	DELETE /v1/auth-keys/keys/{id}
//
//	(fleets, nodes, infra, team, networks, o11y, chat, zap) — same
//	parity, see handlers/*.go for the per-package router.
func Mount(r chi.Router, deps Deps) error {
	if deps.Logger == nil {
		return errors.New("bootnode: deps.Logger is required")
	}

	// In-process ZAP service. zapc's generated dispatcher would
	// register this with the local dispatcher when superbase wires it;
	// the hand-rolled stub just holds the Service implementation.
	impl := handlers.NewService(handlers.ServiceDeps{
		Logger:   deps.Logger,
		IAM:      deps.IAM,
		KMS:      deps.KMS,
		Base:     deps.Base,
		O11y:     deps.O11y,
		Commerce: deps.Commerce,
	})
	_ = bootnodezap.NewServer(impl) // hand to superbase ZAP dispatcher

	hdeps := handlers.Deps{
		Logger:   deps.Logger,
		Service:  impl,
		IAM:      deps.IAM,
		KMS:      deps.KMS,
		Base:     deps.Base,
		O11y:     deps.O11y,
		Commerce: deps.Commerce,
	}

	// Health endpoints are mounted at the root — superbase aggregates
	// them but Bootnode-as-standalone needs them addressable too.
	r.Get("/health", handlers.Health(hdeps))
	r.Get("/ready", handlers.Ready(hdeps))

	r.Route("/v1", func(r chi.Router) {
		r.Use(middleware.Telemetry(deps.O11y))
		r.Use(middleware.AuthOptional(deps.IAM))

		handlers.MountAuth(r, hdeps)
		handlers.MountAuthKeys(r, hdeps)
		handlers.MountChains(r, hdeps)
		handlers.MountRPC(r, hdeps)
		handlers.MountTokens(r, hdeps)
		handlers.MountNFTs(r, hdeps)
		handlers.MountTransfers(r, hdeps)
		handlers.MountWallets(r, hdeps)
		handlers.MountBundler(r, hdeps)
		handlers.MountGas(r, hdeps)
		handlers.MountWebhooks(r, hdeps)
		handlers.MountFleets(r, hdeps)
		handlers.MountNodes(r, hdeps)
		handlers.MountInfra(r, hdeps)
		handlers.MountTeam(r, hdeps)
		handlers.MountNetworks(r, hdeps)
		handlers.MountObservability(r, hdeps)
		handlers.MountChat(r, hdeps)
		handlers.MountBilling(r, hdeps)
		handlers.MountZAP(r, hdeps)
	})

	// 404 for unknown paths inside our prefix range, leaving the rest
	// to superbase's other subsystems.
	r.NotFound(func(w http.ResponseWriter, req *http.Request) {
		http.Error(w, "not found", http.StatusNotFound)
	})

	return nil
}