/*
   GoToSocial
   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org

   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 account

import (
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/superseriousbusiness/gotosocial/internal/api/model"
	"github.com/superseriousbusiness/gotosocial/internal/oauth"
)

// AccountUpdateCredentialsPATCHHandler allows a user to modify their account/profile settings.
// It should be served as a PATCH at /api/v1/accounts/update_credentials
//
// swagger:operation PATCH /api/v1/accounts/update_credentials accountUpdate
//
// Update your account.
//
// ---
// tags:
// - accounts
//
// consumes:
// - multipart/form-data
//
// produces:
// - application/json
//
// parameters:
// - name: discoverable
//   in: formData
//   description: Account should be made discoverable and shown in the profile directory (if enabled).
//   type: boolean
// - name: bot
//   in: formData
//   description: Account is flagged as a bot.
//   type: boolean
// - name: display_name
//   in: formData
//   description: The display name to use for the account.
//   type: string
// - name: note
//   in: formData
//   description: Bio/description of this account.
//   type: string
// - name: avatar
//   in: formData
//   description: Avatar of the user.
//   type: file
// - name: header
//   in: formData
//   description: Header of the user.
//   type: file
// - name: locked
//   in: formData
//   description: Require manual approval of follow requests.
//   type: boolean
// - name: source.privacy
//   in: formData
//   description: Default post privacy for authored statuses.
//   type: string
// - name: source.sensitive
//   in: formData
//   description: Mark authored statuses as sensitive by default.
//   type: boolean
// - name: source.language
//   in: formData
//   description: Default language to use for authored statuses (ISO 6391).
//   type: string
//
// security:
// - OAuth2 Bearer:
//   - write:accounts
//
// responses:
//   '200':
//     description: "The newly updated account."
//     schema:
//       "$ref": "#/definitions/account"
//   '401':
//      description: unauthorized
//   '400':
//      description: bad request
func (m *Module) AccountUpdateCredentialsPATCHHandler(c *gin.Context) {
	l := m.log.WithField("func", "accountUpdateCredentialsPATCHHandler")
	authed, err := oauth.Authed(c, true, true, true, true)
	if err != nil {
		l.Debugf("couldn't auth: %s", err)
		c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
		return
	}
	l.Tracef("retrieved account %+v", authed.Account.ID)

	l.Debugf("parsing request form %s", c.Request.Form)
	form := &model.UpdateCredentialsRequest{}
	if err := c.ShouldBind(&form); err != nil || form == nil {
		l.Debugf("could not parse form from request: %s", err)
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	// if everything on the form is nil, then nothing has been set and we shouldn't continue
	if form.Discoverable == nil && form.Bot == nil && form.DisplayName == nil && form.Note == nil && form.Avatar == nil && form.Header == nil && form.Locked == nil && form.Source == nil && form.FieldsAttributes == nil {
		l.Debugf("could not parse form from request")
		c.JSON(http.StatusBadRequest, gin.H{"error": "empty form submitted"})
		return
	}

	acctSensitive, err := m.processor.AccountUpdate(authed, form)
	if err != nil {
		l.Debugf("could not update account: %s", err)
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	l.Tracef("conversion successful, returning OK and mastosensitive account %+v", acctSensitive)
	c.JSON(http.StatusOK, acctSensitive)
}