// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package api

import (
	"time"

	"github.com/gin-gonic/gin"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/accounts"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/admin"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/apps"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/blocks"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/bookmarks"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/conversations"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/customemojis"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/favourites"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/featuredtags"
	filtersV1 "github.com/superseriousbusiness/gotosocial/internal/api/client/filters/v1"
	filtersV2 "github.com/superseriousbusiness/gotosocial/internal/api/client/filters/v2"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/followrequests"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/instance"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/interactionpolicies"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/lists"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/markers"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/media"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/mutes"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/notifications"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/polls"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/preferences"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/reports"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/search"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/statuses"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/streaming"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/timelines"
	"github.com/superseriousbusiness/gotosocial/internal/api/client/user"
	"github.com/superseriousbusiness/gotosocial/internal/db"
	"github.com/superseriousbusiness/gotosocial/internal/middleware"
	"github.com/superseriousbusiness/gotosocial/internal/processing"
	"github.com/superseriousbusiness/gotosocial/internal/router"
	"github.com/superseriousbusiness/gotosocial/internal/state"
)

type Client struct {
	processor *processing.Processor
	db        db.DB

	accounts            *accounts.Module            // api/v1/accounts
	admin               *admin.Module               // api/v1/admin
	apps                *apps.Module                // api/v1/apps
	blocks              *blocks.Module              // api/v1/blocks
	bookmarks           *bookmarks.Module           // api/v1/bookmarks
	conversations       *conversations.Module       // api/v1/conversations
	customEmojis        *customemojis.Module        // api/v1/custom_emojis
	favourites          *favourites.Module          // api/v1/favourites
	featuredTags        *featuredtags.Module        // api/v1/featured_tags
	filtersV1           *filtersV1.Module           // api/v1/filters
	filtersV2           *filtersV2.Module           // api/v2/filters
	followRequests      *followrequests.Module      // api/v1/follow_requests
	instance            *instance.Module            // api/v1/instance
	interactionPolicies *interactionpolicies.Module // api/v1/interaction_policies
	lists               *lists.Module               // api/v1/lists
	markers             *markers.Module             // api/v1/markers
	media               *media.Module               // api/v1/media, api/v2/media
	mutes               *mutes.Module               // api/v1/mutes
	notifications       *notifications.Module       // api/v1/notifications
	polls               *polls.Module               // api/v1/polls
	preferences         *preferences.Module         // api/v1/preferences
	reports             *reports.Module             // api/v1/reports
	search              *search.Module              // api/v1/search, api/v2/search
	statuses            *statuses.Module            // api/v1/statuses
	streaming           *streaming.Module           // api/v1/streaming
	timelines           *timelines.Module           // api/v1/timelines
	user                *user.Module                // api/v1/user
}

func (c *Client) Route(r *router.Router, m ...gin.HandlerFunc) {
	// create a new group on the top level client 'api' prefix
	apiGroup := r.AttachGroup("api")

	// attach non-global middlewares appropriate to the client api
	apiGroup.Use(m...)
	apiGroup.Use(
		middleware.TokenCheck(c.db, c.processor.OAuthValidateBearerToken),
		middleware.CacheControl(middleware.CacheControlConfig{
			// Never cache client api responses.
			Directives: []string{"no-store"},
		}),
	)

	// for each client api module, pass it the Handle function
	// so that the module can attach its routes to this group
	h := apiGroup.Handle
	c.accounts.Route(h)
	c.admin.Route(h)
	c.apps.Route(h)
	c.blocks.Route(h)
	c.bookmarks.Route(h)
	c.conversations.Route(h)
	c.customEmojis.Route(h)
	c.favourites.Route(h)
	c.featuredTags.Route(h)
	c.filtersV1.Route(h)
	c.filtersV2.Route(h)
	c.followRequests.Route(h)
	c.instance.Route(h)
	c.interactionPolicies.Route(h)
	c.lists.Route(h)
	c.markers.Route(h)
	c.media.Route(h)
	c.mutes.Route(h)
	c.notifications.Route(h)
	c.polls.Route(h)
	c.preferences.Route(h)
	c.reports.Route(h)
	c.search.Route(h)
	c.statuses.Route(h)
	c.streaming.Route(h)
	c.timelines.Route(h)
	c.user.Route(h)
}

func NewClient(state *state.State, p *processing.Processor) *Client {
	return &Client{
		processor: p,
		db:        state.DB,

		accounts:            accounts.New(p),
		admin:               admin.New(state, p),
		apps:                apps.New(p),
		blocks:              blocks.New(p),
		bookmarks:           bookmarks.New(p),
		conversations:       conversations.New(p),
		customEmojis:        customemojis.New(p),
		favourites:          favourites.New(p),
		featuredTags:        featuredtags.New(p),
		filtersV1:           filtersV1.New(p),
		filtersV2:           filtersV2.New(p),
		followRequests:      followrequests.New(p),
		instance:            instance.New(p),
		interactionPolicies: interactionpolicies.New(p),
		lists:               lists.New(p),
		markers:             markers.New(p),
		media:               media.New(p),
		mutes:               mutes.New(p),
		notifications:       notifications.New(p),
		polls:               polls.New(p),
		preferences:         preferences.New(p),
		reports:             reports.New(p),
		search:              search.New(p),
		statuses:            statuses.New(p),
		streaming:           streaming.New(p, time.Second*30, 4096),
		timelines:           timelines.New(p),
		user:                user.New(p),
	}
}