var baseURL = '';

// The API state is static so that any instance can use login-dependent API
// calls
enyo.kind({
    name: "blerg.API",
    kind: "Component",
    statics: {
        apiInitialized: false,
        loggedIn: false,
        username: "",
    },
    create: function() {
        this.inherited(arguments);
        if (blerg.API.apiInitialized) {
            if (blerg.API.loggedIn) {
                setTimeout(function() {
                    this.bubble('onLoginSuccessful', {username: blerg.API.username});
                }.bind(this), 0);
            }
            return;
        }

        if (enyo.getCookie('auth') && enyo.getCookie('username')) {
            blerg.API.loggedIn = true;
            blerg.API.username = enyo.getCookie('username');
            // Defer the signal until everything's initialized
            setTimeout(function() {
                this.bubble('onLoginSuccessful', {username: blerg.API.username});
            }.bind(this), 0);
        }

        blerg.API.apiInitialized = true;
    },
    signup: function(username, password) {
        var req = new enyo.Ajax({
            url: baseURL + '/create',
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            if (inResponse.status == 'success') {
                this.bubble('onSignupSuccess', {username: username});
            } else {
                this.bubble('onSignupFailure', {username: username});
            }
        }.bind(this));
        req.error(function() {
            this.bubble('onSignupFailure', {username: username});
        }.bind(this));
        req.go({
            username: username,
            password: password,
        });
    },
    login: function(username, password) {
        var req = new enyo.Ajax({
            url: baseURL + '/login',
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            if (inResponse.status == 'success') {
                blerg.API.loggedIn = true;
                blerg.API.username = username;
                enyo.setCookie('username', username);
                this.bubble('onLoginSuccessful', {username: username});
            } else {
                enyo.setCookie('username', '', {"Max-Age": 0});
                this.bubble('onLoginFailed');
            }
        }.bind(this));
        req.go({
            username: username,
            password: password
        });
    },
    logout: function() {
        var req = new enyo.Ajax({
            url: baseURL + '/logout',
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            blerg.API.loggedIn = false;
            enyo.setCookie('auth', '', {"Max-Age": 0});
            this.bubble('onLogoutSuccessful');
        }.bind(this));
        req.go({
            username: blerg.API.username
        });
        enyo.setCookie('username', '', {"Max-Age": 0});
    },
    changePassword: function(oldpassword, newpassword) {
        var req = new enyo.Ajax({
            url: baseURL + '/passwd',
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            if (inResponse.status == 'success') {
                this.bubble('onPasswordChangeSuccessful');
            } else {
                this.bubble('onPasswordChangeFailed');
            }
        }.bind(this));
        req.go({
            username: blerg.API.username,
            password: oldpassword,
            new_password: newpassword
        });
    },
    loadUserRecords: function(username, from ,to) {
        var url;
        if (from != undefined && to != undefined) {
            url = baseURL +  '/get/' + username + '/' + from + '-' + to;
        } else {
            url = baseURL +  '/get/' + username;
        }

        var req = new enyo.Ajax({
            url: url
        });
        req.response(function(inSender, inResponse) {
            this.bubble('onItemsLoaded', {
                type: 'user',
                username: username,
                from: from,
                to: to,
                entries: inResponse
            });
        }.bind(this));
        req.error(function(inSender, inResponse) {
            if (inResponse == 404)
                this.bubble('onUserNotFound');
            else
                this.bubble('onAPIError', {response: inResponse});
        }.bind(this));
        req.go();
    },
    loadTagRecords: function(type, tag) {
        var url;
        switch(type) {
            case 'tag':
                // Apache eats the hash, even encoded.  Probably a security
                // feature.
                url = baseURL + '/tag/H' + tag;
                break;
            case 'ref':
                url = baseURL + '/tag/%40' + tag;
                break;
            default:
                throw new Error("Invalid tag type: " + type);
                return;
        }
        var req = new enyo.Ajax({
            url: url
        });
        req.response(function(inSender, inResponse) {
            this.bubble('onItemsLoaded', {
                type: 'tag',
                tagType: type,
                tag: tag,
                entries: inResponse
            });
        }.bind(this));
        req.go();
    },
    getFeedInfo: function() {
        if (!blerg.API.loggedIn)
            throw new Error('Cannot request feed status when not logged in');

        var req = new enyo.Ajax({
            url: baseURL + '/feedinfo',
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            this.bubble('onFeedInfo', inResponse);
        }.bind(this));
        req.go({
            username: blerg.API.username
        });
    },
    loadFeed: function() {
        if (!blerg.API.loggedIn)
            throw new Error('Cannot request feed status when not logged in');

        var req = new enyo.Ajax({
            url: baseURL + '/feed',
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            this.bubble('onItemsLoaded', {
                type: "feed",
                entries: inResponse
            });
        }.bind(this));
        req.go({
            username: blerg.API.username
        });
    },
    getSubscriptionStatus: function(username) {
        var req = new enyo.Ajax({
            url: baseURL + '/feedinfo/' + username,
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            this.bubble('onSubscriptionStatus', {
                username: username,
                subscribed: inResponse.subscribed
            });
        }.bind(this));
        req.go({
            username: blerg.API.username
        });
    },
    subscribe: function(username) {
        var req = new enyo.Ajax({
            url: baseURL + '/subscribe/' + username,
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            this.bubble('onSubscriptionStatus', {
                username: username,
                subscribed: inResponse.status == "success"
            });
        }.bind(this));
        req.go({
            username: blerg.API.username
        });
    },
    unsubscribe: function(username) {
        var req = new enyo.Ajax({
            url: baseURL + '/unsubscribe/' + username,
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            this.bubble('onSubscriptionStatus', {
                username: username,
                subscribed: inResponse.status != "success"
            });
        }.bind(this));
        req.go({
            username: blerg.API.username
        });
    },
    post: function(data) {
        var req = new enyo.Ajax({
            url: baseURL + '/put',
            method: 'POST'
        });
        req.response(function(inSender, inResponse) {
            if (inResponse && inResponse.status == 'success') {
                this.bubble('onPostSuccessful', {
                    username: blerg.API.username,
                    data: data
                });
            } else {
                this.bubble('onPostFailed', {
                    username: blerg.API.username,
                    data: data
                });
            }
        }.bind(this));
        req.go({
            username: blerg.API.username,
            data: data
        });
    }
});