package examples

import "core:fmt"
import "core:log"
import "core:mem"
import "core:os"

main :: proc() {
	//----- General setup ----------------------------------
	{
		// Temp
		track_temp: mem.Tracking_Allocator
		mem.tracking_allocator_init(&track_temp, context.temp_allocator)
		context.temp_allocator = mem.tracking_allocator(&track_temp)

		// Default
		track: mem.Tracking_Allocator
		mem.tracking_allocator_init(&track, context.allocator)
		context.allocator = mem.tracking_allocator(&track)
		// Log a warning about any memory that was not freed by the end of the program.
		// This could be fine for some global state or it could be a memory leak.
		defer {
			// Temp allocator
			if len(track_temp.bad_free_array) > 0 {
				fmt.eprintf("=== %v incorrect frees - temp allocator: ===\n", len(track_temp.bad_free_array))
				for entry in track_temp.bad_free_array {
					fmt.eprintf("- %p @ %v\n", entry.memory, entry.location)
				}
				mem.tracking_allocator_destroy(&track_temp)
			}
			// Default allocator
			if len(track.allocation_map) > 0 {
				fmt.eprintf("=== %v allocations not freed - main allocator: ===\n", len(track.allocation_map))
				for _, entry in track.allocation_map {
					fmt.eprintf("- %v bytes @ %v\n", entry.size, entry.location)
				}
			}
			if len(track.bad_free_array) > 0 {
				fmt.eprintf("=== %v incorrect frees - main allocator: ===\n", len(track.bad_free_array))
				for entry in track.bad_free_array {
					fmt.eprintf("- %p @ %v\n", entry.memory, entry.location)
				}
			}
			mem.tracking_allocator_destroy(&track)
		}
		// Logger
		context.logger = log.create_console_logger()
		defer log.destroy_console_logger(context.logger)
	}

	args := os.args
	if len(args) < 2 {
		fmt.eprintln("Usage: examples <example_name>")
		fmt.eprintln("Available examples: hellope-shapes, hellope-text, hellope-clay, hellope-custom, textures")
		os.exit(1)
	}

	switch args[1] {
	case "hellope-clay": hellope_clay()
	case "hellope-custom": hellope_custom()
	case "hellope-shapes": hellope_shapes()
	case "hellope-text": hellope_text()
	case "textures": textures()
	case:
		fmt.eprintf("Unknown example: %v\n", args[1])
		fmt.eprintln("Available examples: hellope-shapes, hellope-text, hellope-clay, hellope-custom, textures")
		os.exit(1)
	}
}