#!/bin/bash

set -euo pipefail

repo_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)"
helper="$repo_dir/config/dot/quickshell/scripts/panama-osd"
scratch="$(mktemp -d)"
trap 'rm -rf "$scratch"' EXIT

mkdir -p "$scratch/bin"
log="$scratch/calls"

cat >"$scratch/bin/wpctl" <<'SH'
#!/bin/bash
printf 'wpctl' >>"$OSD_TEST_LOG"
printf ' <%s>' "$@" >>"$OSD_TEST_LOG"
printf '\n' >>"$OSD_TEST_LOG"
if [[ $1 == "get-volume" ]]; then
    printf '%s\n' "${WPCTL_OUTPUT:-Volume: 0.58}"
fi
SH

cat >"$scratch/bin/brightnessctl" <<'SH'
#!/bin/bash
printf 'brightnessctl' >>"$OSD_TEST_LOG"
printf ' <%s>' "$@" >>"$OSD_TEST_LOG"
printf '\n' >>"$OSD_TEST_LOG"
if [[ " $* " == *" -m "* && " $* " != *" set "* ]]; then
    printf '%s\n' "${BRIGHTNESS_OUTPUT:-intel_backlight,backlight,500,1000,50%}"
fi
SH

cat >"$scratch/bin/playerctl" <<'SH'
#!/bin/bash
printf 'playerctl' >>"$OSD_TEST_LOG"
printf ' <%s>' "$@" >>"$OSD_TEST_LOG"
printf '\n' >>"$OSD_TEST_LOG"
if [[ $1 == "metadata" ]]; then
    printf '%s\n' "${PLAYER_OUTPUT:-Horizon — Tycho}"
elif [[ $1 == "status" ]]; then
    printf '%s\n' "${PLAYER_STATUS:-Playing}"
fi
SH

cat >"$scratch/bin/qs" <<'SH'
#!/bin/bash
printf 'qs' >>"$OSD_TEST_LOG"
printf ' <%s>' "$@" >>"$OSD_TEST_LOG"
printf '\n' >>"$OSD_TEST_LOG"
SH

chmod +x "$scratch/bin/"*

run_helper() {
    PATH="$scratch/bin:$PATH" OSD_TEST_LOG="$log" "$helper" "$@"
}

assert_line() {
    local expected="$1"
    grep -Fqx -- "$expected" "$log" || {
        printf 'osd helper contract: missing call\n%s\nactual:\n' "$expected" >&2
        cat "$log" >&2
        exit 1
    }
}

: >"$log"
run_helper volume up 6
assert_line 'wpctl <set-volume> <-l> <1> <@DEFAULT_AUDIO_SINK@> <6%+>'
assert_line 'wpctl <get-volume> <@DEFAULT_AUDIO_SINK@>'
assert_line 'qs <ipc> <call> <osd> <progress> <volume> <58> <100> <58%>'

: >"$log"
WPCTL_OUTPUT='Volume: 0.58 [MUTED]' run_helper volume toggle
assert_line 'wpctl <set-mute> <@DEFAULT_AUDIO_SINK@> <toggle>'
assert_line 'qs <ipc> <call> <osd> <progress> <volume-muted> <58> <100> <Muted>'

: >"$log"
WPCTL_OUTPUT='Volume: 0.72 [MUTED]' run_helper microphone toggle
assert_line 'wpctl <set-mute> <@DEFAULT_AUDIO_SOURCE@> <toggle>'
assert_line 'qs <ipc> <call> <osd> <progress> <microphone-muted> <72> <100> <Muted>'

: >"$log"
run_helper brightness up 5
assert_line 'brightnessctl <-e4> <-n2> <set> <5%+>'
assert_line 'brightnessctl <-m> <-c> <backlight>'
assert_line 'qs <ipc> <call> <osd> <progress> <brightness> <50> <100> <50%>'

: >"$log"
run_helper media next
assert_line 'playerctl <next>'
assert_line 'qs <ipc> <call> <osd> <message> <media-next> <Horizon — Tycho>'

: >"$log"
run_helper message notifications-disabled-symbolic 'Do Not Disturb On'
assert_line 'qs <ipc> <call> <osd> <message> <notifications-disabled-symbolic> <Do Not Disturb On>'

printf 'osd helper contract: PASS\n'