<script setup lang="ts">
import { getCurrentWindow } from '@tauri-apps/api/window'
import { ref, onMounted } from 'vue'
import { useTimerStore } from '../stores/timer'
import { useProjectsStore } from '../stores/projects'
import { useSettingsStore } from '../stores/settings'

const appWindow = getCurrentWindow()
const isMaximized = ref(false)
const timerStore = useTimerStore()
const projectsStore = useProjectsStore()
const settingsStore = useSettingsStore()

onMounted(async () => {
  isMaximized.value = await appWindow.isMaximized()
})

function getProjectName(projectId: number | null): string {
  if (!projectId) return ''
  const project = projectsStore.projects.find(p => p.id === projectId)
  return project?.name || ''
}

async function minimize() {
  if (settingsStore.settings.minimize_to_tray === 'true') {
    await appWindow.hide()
  } else {
    await appWindow.minimize()
  }
}

async function toggleMaximize() {
  await appWindow.toggleMaximize()
  isMaximized.value = await appWindow.isMaximized()
}

async function close() {
  await appWindow.close()
}

async function startDrag() {
  await appWindow.startDragging()
}

async function handleDoubleClick() {
  await toggleMaximize()
}
</script>

<template>
  <header
    class="h-11 flex items-center justify-between px-4 bg-bg-surface border-b border-border-subtle select-none shrink-0"
    @mousedown.left="startDrag"
    @dblclick="handleDoubleClick"
  >
    <!-- Left: App name -->
    <div class="flex items-center">
      <span
        class="text-accent-text text-[0.6875rem] font-medium font-[family-name:var(--font-heading)] tracking-[0.1em] uppercase"
      >
        ZeroClock
      </span>
    </div>

    <!-- Center: Running timer status -->
    <div
      role="status"
      aria-live="off"
      class="flex items-center gap-3 transition-opacity duration-150"
      :class="timerStore.isRunning || timerStore.isPaused ? 'opacity-100' : 'opacity-0 pointer-events-none'"
    >
      <!-- Status dot -->
      <div
        aria-hidden="true"
        class="w-2 h-2 rounded-full"
        :class="timerStore.isRunning ? 'bg-status-running animate-pulse-dot' : 'bg-status-warning'"
      />
      <span class="sr-only">{{ timerStore.isRunning ? 'Timer running' : timerStore.isPaused ? 'Timer paused' : 'Timer stopped' }}</span>

      <!-- Project name -->
      <span class="text-[0.6875rem] text-text-secondary">
        {{ getProjectName(timerStore.selectedProjectId) }}
      </span>

      <!-- Elapsed time -->
      <span class="text-[0.75rem] font-[family-name:var(--font-timer)] text-text-primary tracking-wider">
        {{ timerStore.formattedTime }}
      </span>

      <!-- Pause / Resume button -->
      <button
        v-if="timerStore.isRunning"
        v-tooltip.bottom="'Pause timer'"
        @click="timerStore.pauseManual()"
        @mousedown.stop
        class="w-11 h-11 flex items-center justify-center text-text-tertiary hover:text-status-warning transition-colors duration-150"
        aria-label="Pause timer"
      >
        <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="currentColor" class="w-3 h-3">
          <rect x="3" y="2" width="3.5" height="12" rx="1" />
          <rect x="9.5" y="2" width="3.5" height="12" rx="1" />
        </svg>
      </button>
      <button
        v-else-if="timerStore.timerState === 'PAUSED_MANUAL'"
        v-tooltip.bottom="'Resume timer'"
        @click="timerStore.resumeFromPause()"
        @mousedown.stop
        class="w-11 h-11 flex items-center justify-center text-text-tertiary hover:text-accent-text transition-colors duration-150"
        aria-label="Resume timer"
      >
        <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="currentColor" class="w-3 h-3">
          <path d="M4 2.5a.5.5 0 01.77-.42l9 5.5a.5.5 0 010 .84l-9 5.5A.5.5 0 014 13.5V2.5z" />
        </svg>
      </button>

      <!-- Stop button -->
      <button
        v-tooltip.bottom="'Stop timer'"
        @click="timerStore.stop()"
        @mousedown.stop
        class="w-11 h-11 flex items-center justify-center text-text-tertiary hover:text-status-error transition-colors duration-150"
        aria-label="Stop timer"
      >
        <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="currentColor" class="w-3 h-3">
          <rect x="3" y="3" width="10" height="10" rx="1" />
        </svg>
      </button>
    </div>

    <!-- Right: Window controls -->
    <div class="flex items-center" @mousedown.stop>
      <button
        v-tooltip.bottom="'Minimize'"
        @click="minimize"
        class="w-11 h-11 flex items-center justify-center text-text-tertiary hover:text-text-secondary transition-colors duration-150"
        aria-label="Minimize"
      >
        <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" class="w-3.5 h-3.5">
          <path d="M5 12h14" stroke="currentColor" stroke-width="2" />
        </svg>
      </button>

      <button
        v-tooltip.bottom="isMaximized ? 'Restore' : 'Maximize'"
        @click="toggleMaximize"
        class="w-11 h-11 flex items-center justify-center text-text-tertiary hover:text-text-secondary transition-colors duration-150"
        :aria-label="isMaximized ? 'Restore' : 'Maximize'"
      >
        <svg v-if="!isMaximized" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" class="w-3 h-3">
          <rect x="4" y="4" width="16" height="16" rx="1" />
        </svg>
        <svg v-else aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" class="w-3 h-3">
          <rect x="3" y="7" width="14" height="14" rx="1" />
          <path d="M7 7V5a1 1 0 011-1h12a1 1 0 011 1v12a1 1 0 01-1 1h-2" />
        </svg>
      </button>

      <button
        v-tooltip.bottom="'Close'"
        @click="close"
        class="w-11 h-11 flex items-center justify-center text-text-tertiary hover:text-status-error transition-colors duration-150"
        aria-label="Close"
      >
        <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-3.5 h-3.5">
          <path fill-rule="evenodd" d="M5.47 5.47a.75.75 0 011.06 0L12 10.94l5.47-5.47a.75.75 0 111.06 1.06L13.06 12l5.47 5.47a.75.75 0 11-1.06 1.06L12 13.06l-5.47 5.47a.75.75 0 01-1.06-1.06L10.94 12 5.47 6.53a.75.75 0 010-1.06z" clip-rule="evenodd" />
        </svg>
      </button>
    </div>
  </header>
</template>
