// Copyright (c) 2025 Nikolai Papin
//
// This file is part of Easywish
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package controllers

import (
	"easywish/internal/dto"
	errs "easywish/internal/errors"
	"easywish/internal/services"
	"easywish/internal/utils/enums"
	"errors"
	"net/http"

	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
)

type ProfileController struct {
	log *zap.Logger
	ps services.ProfileService
}

func NewProfileController(_log *zap.Logger, _ps services.ProfileService) Controller {

	ctrl := ProfileController{log: _log, ps: _ps}

	return &controllerImpl{
		Path: "/profile",
		Middleware: []gin.HandlerFunc{},
		Methods: []ControllerMethod{
			{
				HttpMethod:   GET,
				Path:         "",
				Authorization: enums.UserRole,
				Middleware:   []gin.HandlerFunc{},
				Function:     ctrl.getMyProfile,
			},
			{
				HttpMethod:   GET,
				Path:         "/:username",
				Authorization: enums.GuestRole,
				Middleware:   []gin.HandlerFunc{},
				Function:     ctrl.getProfileByUsername,
			},
			{
				HttpMethod:   GET,
				Path:         "/settings",
				Authorization: enums.UserRole,
				Middleware:   []gin.HandlerFunc{},
				Function:     ctrl.getProfileSettings,
			},
			{
				HttpMethod:   PUT,
				Path:         "",
				Authorization: enums.UserRole,
				Middleware:   []gin.HandlerFunc{},
				Function:     ctrl.updateProfile,
			},
			{
				HttpMethod:   PUT,
				Path:         "/settings",
				Authorization: enums.UserRole,
				Middleware:   []gin.HandlerFunc{},
				Function:     ctrl.updateProfileSettings,
			},
		},
	}
} 

// XXX: untested
//	@Summary Get your profile
//	@Tags Profile
//	@Accept		json
//	@Produce	json
//	@Security	JWT
//	@Success	200		{object}	dto.ProfileDto	" "
//	@Router		/profile [get]
func (ctrl *ProfileController) getMyProfile(c *gin.Context) {
	cinfo := GetClientInfo(c)

	response, err := ctrl.ps.GetMyProfile(cinfo); if err != nil {
		c.Status(http.StatusInternalServerError)
		return
	}

	c.JSON(http.StatusOK, response)
}

// XXX: untested
//	@Summary Get profile by username
//	@Tags Profile
//	@Accept		json
//	@Produce	json
//	@Security	JWT
//	@Param		username	path	string	true	" "
//	@Success	200		{object}	dto.ProfileDto	" "
//	@Failure	404		"Profile not found"
//	@Failure	403		"Restricted profile"
//	@Router		/profile/{username} [get]
func (ctrl *ProfileController) getProfileByUsername(c *gin.Context) {
	cinfo := GetClientInfo(c)

	username := c.Param("username"); if username == "" {
		c.Status(http.StatusBadRequest)
		return
	}

	response, err := ctrl.ps.GetProfileByUsername(cinfo, username); if err != nil {
		if errors.Is(err, errs.ErrNotFound) {
			c.JSON(http.StatusNotFound, gin.H{"error": "Profile not found"})
		} else if errors.Is(err, errs.ErrForbidden) {
			c.JSON(http.StatusForbidden, gin.H{"error": "Access restricted by profile's privacy settings"})
		} else {
			c.Status(http.StatusInternalServerError)
		}
		return
	}

	c.JSON(http.StatusOK, response)

	print(cinfo.Username)
	panic("Not implemented")
}

// XXX: untested
//	@Summary Get your profile settings
//	@Tags Profile
//	@Accept		json
//	@Produce	json
//	@Security	JWT
//	@Success	200		{object}	dto.ProfileSettingsDto	" "
//	@Router		/profile/settings [get]
func (ctrl *ProfileController) getProfileSettings(c *gin.Context) {
	cinfo := GetClientInfo(c)

	response, err := ctrl.ps.GetProfileSettings(cinfo); if err != nil {
		c.Status(http.StatusInternalServerError)
		return
	}

	c.JSON(http.StatusOK, response)
}

// XXX: untested
//	@Summary Update your profile
//	@Tags Profile
//	@Accept		json
//	@Produce	json
//	@Security	JWT
//	@Param		request	body	dto.NewProfileDto	true	" "
//	@Success	200		{object}	bool	" "
//	@Router		/profile [put]
func (ctrl *ProfileController) updateProfile(c *gin.Context) {
	request, err := GetRequest[dto.NewProfileDto](c); if err != nil {
		return
	}

	response, err := ctrl.ps.UpdateProfile(request.User, request.Body); if err != nil || !response {
		c.Status(http.StatusInternalServerError)
		return
	}

	c.JSON(http.StatusOK, response)
}

// XXX: untested
//	@Summary Update your profile's settings
//	@Tags Profile
//	@Accept		json
//	@Produce	json
//	@Security	JWT
//	@Param		request	body	dto.ProfileSettingsDto	true	" "
//	@Success	200		{object}	bool	" "
//	@Router		/profile/settings [put]
func (ctrl *ProfileController) updateProfileSettings(c *gin.Context) {
	request, err := GetRequest[dto.ProfileSettingsDto](c); if err != nil {
		return
	}

	response, err := ctrl.ps.UpdateProfileSettings(request.User, request.Body); if err != nil || !response {
		c.Status(http.StatusInternalServerError)
		return
	}

	c.JSON(http.StatusOK, response)
}