pragma solidity >=0.4.22 <0.7.0;


import "./uBloggerRegistry.sol";

contract uBloggerPost {
    address uBloggerRegistryLocation;
    address owner;

    struct Post {
        uint timestamp;
        string postData;
    }

	mapping (uint => Post) public posts;

    uint postNumber;
    
    constructor () public {
        owner = msg.sender;
        uBloggerRegistryLocation = 0x5c22A3e8648A43d5731Da3ED79f5e3E9ba37bd93;
    }

    function createPost(string memory _post) public returns (int result, uint _postID){
        uBloggerRegistry registry = uBloggerRegistry(uBloggerRegistryLocation);
        string memory _accountName = registry.getAccountName(msg.sender);
        
        if (bytes(_accountName).length == 0){
            result = -1;
        } else if (owner != msg.sender){
            result = -2;
        } else if (bytes(_post).length >= 160) {
            result = -3;
        } else {
            posts[postNumber].timestamp = now;
            posts[postNumber].postData = _post;
            postNumber++;  
            result = 0; // Success
            _postID = postNumber - 1; 
        }
    }
    
    function getPost(uint _postID) public view returns (uint _timestamp, string memory _postData) {
        _timestamp = posts[_postID].timestamp;
        _postData = posts[_postID].postData;
    }
    
    function getTotalPosts() public view returns (uint _postNumber) {
        _postNumber = postNumber;
    }
    
    /*function verifyOwner() public view returns(int result, string memory _accountName){
        uBloggerRegistry registry = uBloggerRegistry(uBloggerRegistryLocation);
        _accountName = registry.getAccountName(msg.sender);
        if (bytes(_accountName).length > 0) {
            result = 0;
        } else {
            result = -1;
        }
    }*/

}