/*******************************************************************/

/*  slibtool: a skinny libtool implementation, written in C        */

/*  Copyright (C) 2016  Z. Gilboa                                  */

/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */

/*******************************************************************/

#include <unistd.h>

#include <stdio.h>

#include <slibtool/slibtool.h>

static const char aclr_null[]    = "";

static const char aclr_reset[]   = "\x1b[0m";

static const char aclr_bold[]    = "\x1b[1m";

static const char aclr_green[]   = "\x1b[32m";

static const char aclr_blue[]    = "\x1b[34m";

static const char aclr_magenta[] = "\x1b[35m";

static int slbt_output_exec_annotated(

	const struct slbt_driver_ctx *	dctx,

	const struct slbt_exec_ctx *	ectx,

	const char *			step)

{

	char **      parg;

	const char * aclr_set;

	const char * aclr_color;

	const char * aclr_unset;

	if (fprintf(stdout,"%s%s%s: %s%s%s%s:%s",

			aclr_bold,aclr_magenta,

			dctx->program,aclr_reset,

			aclr_bold,aclr_green,step,aclr_reset) < 0)

		return -1;

	for (parg=ectx->argv; *parg; parg++) {

		if ((parg == ectx->lout[0]) || (parg == ectx->mout[0])) {

			aclr_set      = aclr_bold;

			aclr_color    = aclr_blue;

			aclr_unset    = aclr_null;

		} else {

			aclr_set      = aclr_null;

			aclr_color    = aclr_null;

			aclr_unset    = aclr_reset;

		}

		if (fprintf(stdout," %s%s%s%s",

				aclr_set,aclr_color,

				*parg,

				aclr_unset) < 0)

			return -1;

	}

	if (fputc('\n',stdout) < 0)

		return -1;

	return fflush(stdout);

}

static int slbt_output_exec_plain(

	const struct slbt_driver_ctx *	dctx,

	const struct slbt_exec_ctx *	ectx,

	const char *		step)

{

	char ** parg;

	if (fprintf(stdout,"%s: %s:",dctx->program,step) < 0)

		return -1;

	for (parg=ectx->argv; *parg; parg++)

		if (fprintf(stdout," %s",*parg) < 0)

			return -1;

	if (fputc('\n',stdout) < 0)

		return -1;

	return fflush(stdout);

}

int slbt_output_exec(

	const struct slbt_driver_ctx *	dctx,

	const struct slbt_exec_ctx *	ectx,

	const char *			step)

{

	if (dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_NEVER)

		return slbt_output_exec_plain(dctx,ectx,step);

	else if (dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_ALWAYS)

		return slbt_output_exec_annotated(dctx,ectx,step);

	else if (isatty(STDOUT_FILENO))

		return slbt_output_exec_annotated(dctx,ectx,step);

	else

		return slbt_output_exec_plain(dctx,ectx,step);

}

int slbt_output_compile(

	const struct slbt_driver_ctx *	dctx,

	const struct slbt_exec_ctx *	ectx)

{

	return slbt_output_exec(dctx,ectx,"compile");

}

int slbt_output_execute(

	const struct slbt_driver_ctx *	dctx,

	const struct slbt_exec_ctx *	ectx)

{

	return slbt_output_exec(dctx,ectx,"execute");

}

int slbt_output_install(

	const struct slbt_driver_ctx *	dctx,

	const struct slbt_exec_ctx *	ectx)

{

	return slbt_output_exec(dctx,ectx,"install");

}

int slbt_output_link(

	const struct slbt_driver_ctx *	dctx,

	const struct slbt_exec_ctx *	ectx)

{

	return slbt_output_exec(dctx,ectx,"link");

}