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#include <string.h>
#include <assert.h>
#include "response.h"
// examples from uci_min.txt
// "option name Nullmove type check default true\n"
// "option name Selectivity type spin default 2 min 0 max 4\n"
// "option name Style type combo default Normal var Solid var Normal var Risky\n"
// "option name NalimovPath type string default c:\\n"
// "option name Clear Hash type button\n"
void print_setting(option_setting_t setting) {
printf("option name %s type ", setting.option_name);
// accidently did the yoda style if statement, i am keeping it
if (OPTION_SPIN == setting.type) {
option_spin_setting_t data = setting.data.spin;
printf(
"spin default %d min %d max %d\n",
data.default_value,
data.min,
data.max
);
} else if (OPTION_COMBO == setting.type) {
option_combo_setting_t data = setting.data.combo;
printf("combo default %s", data.combination[data.default_index]);
for (int i = 0; i < data.count; i++) {
printf(" var %s", data.combination[i]);
}
printf("\n");
} else if (OPTION_CHECK == setting.type) {
printf("check default %d\n", setting.data.check_default);
} else if (OPTION_STRING == setting.type) {
printf("string default %s\n", setting.data.string_default);
} else if (OPTION_BUTTON == setting.type) {
printf("button\n");
} else { assert(0); }
}
enum {
STATE_INITIAL,
STATE_IDLE,
STATE_SYNC,
STATE_PING,
STATE_ACTIVE,
STATE_HALT,
};
int current_state = STATE_INITIAL;
int debug = false;
void todo() {
assert(0);
}
void handle_uci(uci_state *state, ucicmd cmd) {
if (current_state == STATE_INITIAL) {
return handle_initial(state, cmd);
}
if (current_state == STATE_IDLE) {
return handle_idle(state, cmd);
}
if (current_state == STATE_SYNC) {
return handle_sync(state, cmd);
}
if (current_state == STATE_PING) {
return handle_ping(state, cmd);
}
if (current_state == STATE_ACTIVE) {
return handle_active(state, cmd);
}
return handle_halt(state, cmd);
}
void handle_initial(uci_state *state, ucicmd cmd) {
if (cmd.empty || strcmp(cmd.root, "uci") != 0) return;
printf("id name %s\n", state->name);
printf("id author %s\n", state->author);
int settings_count = sizeof(state->option_settings)/sizeof(option_setting_t);
for (int i = 0; i < settings_count; i++) {
print_setting(state->option_settings[i]);
}
printf("uciok\n");
current_state = STATE_IDLE;
}
void handle_idle(uci_state *state, ucicmd cmd) {
if (cmd.empty) return;
if (strcmp(cmd.root, "debug") == 0) {
debug = strcmp(ucicmd_get_arg(cmd, 0), "on") == 0;
} else if (strcmp(cmd.root, "setoption") == 0) {
} else if (strcmp(cmd.root, "ucinewgame") == 0) {
} else if (strcmp(cmd.root, "position") == 0) {
} else if (strcmp(cmd.root, "stop") == 0) {
} else if (strcmp(cmd.root, "quit") == 0) {
free(cmd.args);
exit(0);
} else if (strcmp(cmd.root, "isready") == 0) {
current_state = STATE_SYNC;
} else if (strcmp(cmd.root, "go") == 0) {
current_state = STATE_ACTIVE;
} else {
printf("Invalid command: %s\n", cmd.root);
}
}
void handle_sync(uci_state *state, ucicmd cmd) {
// when i come up with some info to give:
// printf("info\n");
printf("readyok\n");
current_state = STATE_IDLE;
}
void handle_ping(uci_state *state, ucicmd cmd) {
// when i come up with some info to give:
// printf("info\n");
//
// if (TODO) {
// printf("bestmove\n");
// current_state = STATE_IDLE;
// }
printf("readyok\n");
current_state = STATE_ACTIVE;
}
void handle_active(uci_state *state, ucicmd cmd) {
if (cmd.empty) {
return;
}
// TODO: this section will call the engine to analysis
if (strcmp(cmd.root, "isready") == 0) {
current_state = STATE_PING;
} else if (strcmp(cmd.root, "stop") == 0) {
current_state = STATE_HALT;
} else {
printf("Invalid command: %s\n", cmd.root);
}
}
void handle_halt(uci_state *state, ucicmd cmd) {
// when i come up with some info to give:
// printf("info\n");
printf("bestmove 0000\n"); // TODO: idk get it rn
current_state = STATE_IDLE;
}
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