#include "minishell.h"

void	close_fd(t_cmd *cmd, pid_t pid)
{
	if (cmd->fd_in != 0)
		close(cmd->fd_in);
	if (pid == 0)
	{
		if (cmd->pipe_out != 1)
		{
			close(cmd->pipe_in);
			close(cmd->pipe_out);
		}
		if (cmd->fd_out != 1)
			close(cmd->fd_out);
	}
	else
	{
		if (cmd->fd_out != 1 && cmd->fd_redirect == 1)
			close(cmd->fd_out);
	}
}

void	exec_cmd(char **envp, t_list *cmd_list)
{
	t_cmd	*cmd;
	pid_t	pid;
	pid_t	wpid;
	int		status;

	while(cmd_list)
	{
		cmd = cmd_list->content;
		pid = fork();
		if (pid == 0)
		{
			if (cmd->fd_in != 0)
				dup2(cmd->fd_in, STDIN_FILENO);
			if (cmd->fd_out != 1)
				dup2(cmd->fd_out, STDOUT_FILENO);
			close_fd(cmd, pid);
			execve(cmd->argv[0], cmd->argv, envp);
		}
		else
		{
			close_fd(cmd, pid);
	//		if (cmd->fd_in != 0)
	//			close(cmd->fd_in);
	//		if (cmd->fd_out != 1 && cmd->fd_redirect == 1)
	//			close(cmd->fd_out);
		}
		while ((wpid = wait(&status)) > 0);
		cmd_list = cmd_list->next;
	}
}

void	shell_loop(t_all *c)
{
	char	*line_input;
	t_list	*cmd;

	line_input = NULL;
	while (1)
	{
		if (line_input)
			free(line_input);
		line_input = readline(c->prompt);
		if (line_input && *line_input)
		{
			cmd = parser(line_input, c->envp);
			exec_cmd(c->envp, cmd);
		}
	}
}

void	wip_test()
{
	char	term_desc[2048];
	char	*term_type;
	int		term_width;
	int		term_height;
	int		ret;
	
	term_type = getenv("TERM");
	if (term_type == 0)
		ft_putstr_fd("Specify a terminal type with `setenv TERM <yourtype>'.\n", 2);
	ret = tgetent(term_desc, term_type);
  	if (ret < 0)
    	ft_putstr_fd("Could not access the termcap data base.\n", 2);
	if (ret == 0)
    	ft_putstr_fd("Terminal type `%s' is not defined.\n", 2);
	term_height = tgetnum ("li");
  	term_width = tgetnum ("co");
	  /* Extract information that termcap functions use.  */
/* 	temp = tgetstr ("pc", BUFFADDR);
	PC = temp ? *temp : 0;
	BC = tgetstr ("le", BUFFADDR);
	UP = tgetstr ("up", BUFFADDR); */
}

int	main(int argc, char *argv[], char *envp[])
{
	t_all	c;

	(void)argc;
	(void)argv;
	if (!init(&c, envp))
		exit(EXIT_FAILURE);
	shell_loop(&c);
	return (0);
}