package controller

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"github.com/drone/drone/model"
	"github.com/drone/drone/remote"
	"github.com/drone/drone/router/middleware/session"
	"github.com/drone/drone/shared/token"
	"github.com/drone/drone/store"
)

func GetSelf(c *gin.Context) {
	c.IndentedJSON(200, session.User(c))
}

func GetFeed(c *gin.Context) {
	user := session.User(c)
	remote := remote.FromContext(c)
	var repos []*model.RepoLite

	// get the repository list from the cache
	reposv, ok := c.Get("repos")
	if ok {
		repos = reposv.([]*model.RepoLite)
	} else {
		var err error
		repos, err = remote.Repos(user)
		if err != nil {
			c.String(400, err.Error())
			return
		}
	}

	feed, err := store.GetUserFeed(c, repos)
	if err != nil {
		c.String(400, err.Error())
		return
	}
	c.JSON(200, feed)
}

func GetRepos(c *gin.Context) {
	user := session.User(c)
	remote := remote.FromContext(c)
	var repos []*model.RepoLite

	// get the repository list from the cache
	reposv, ok := c.Get("repos")
	if ok {
		repos = reposv.([]*model.RepoLite)
	} else {
		var err error
		repos, err = remote.Repos(user)
		if err != nil {
			c.AbortWithStatus(http.StatusInternalServerError)
			return
		}
	}

	// for each repository in the remote system we get
	// the intersection of those repostiories in Drone
	repos_, err := store.GetRepoListOf(c, repos)
	if err != nil {
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}

	c.Set("repos", repos)
	c.IndentedJSON(http.StatusOK, repos_)
}

func GetRemoteRepos(c *gin.Context) {
	user := session.User(c)
	remote := remote.FromContext(c)

	reposv, ok := c.Get("repos")
	if ok {
		c.IndentedJSON(http.StatusOK, reposv)
		return
	}

	repos, err := remote.Repos(user)
	if err != nil {
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}

	c.Set("repos", repos)
	c.IndentedJSON(http.StatusOK, repos)
}

func PostToken(c *gin.Context) {
	user := session.User(c)

	token := token.New(token.UserToken, user.Login)
	tokenstr, err := token.Sign(user.Hash)
	if err != nil {
		c.AbortWithError(http.StatusInternalServerError, err)
	} else {
		c.String(http.StatusOK, tokenstr)
	}
}