<script setup lang="ts">
import { ref, onMounted } from 'vue'
import { api, type Project, type ObsidianSyncResult, type ProjectLink } from '../api'

const projects = ref<Project[]>([])
const vaultPaths = ref<Record<string, string>>({})
const deployCommands = ref<Record<string, string>>({})
const testCommands = ref<Record<string, string>>({})
const autoTestEnabled = ref<Record<string, boolean>>({})
const saving = ref<Record<string, boolean>>({})
const savingTest = ref<Record<string, boolean>>({})
const savingAutoTest = ref<Record<string, boolean>>({})
const syncing = ref<Record<string, boolean>>({})
const saveStatus = ref<Record<string, string>>({})
const saveTestStatus = ref<Record<string, string>>({})
const saveAutoTestStatus = ref<Record<string, string>>({})
const syncResults = ref<Record<string, ObsidianSyncResult | null>>({})
const error = ref<string | null>(null)

// Deploy config
const deployHosts = ref<Record<string, string>>({})
const deployPaths = ref<Record<string, string>>({})
const deployRuntimes = ref<Record<string, string>>({})
const deployRestartCmds = ref<Record<string, string>>({})
const savingDeployConfig = ref<Record<string, boolean>>({})
const saveDeployConfigStatus = ref<Record<string, string>>({})

// Project Links
const projectLinksMap = ref<Record<string, ProjectLink[]>>({})
const linksLoading = ref<Record<string, boolean>>({})
const showAddLinkForm = ref<Record<string, boolean>>({})
const linkForms = ref<Record<string, { to_project: string; link_type: string; description: string }>>({})
const linkSaving = ref<Record<string, boolean>>({})
const linkError = ref<Record<string, string>>({})
const allProjectList = ref<{ id: string; name: string }[]>([])

onMounted(async () => {
  try {
    projects.value = await api.projects()
    allProjectList.value = projects.value.map(p => ({ id: p.id, name: p.name }))
    for (const p of projects.value) {
      vaultPaths.value[p.id] = p.obsidian_vault_path ?? ''
      deployCommands.value[p.id] = p.deploy_command ?? ''
      testCommands.value[p.id] = p.test_command ?? ''
      autoTestEnabled.value[p.id] = !!(p.auto_test_enabled)
      deployHosts.value[p.id] = p.deploy_host ?? ''
      deployPaths.value[p.id] = p.deploy_path ?? ''
      deployRuntimes.value[p.id] = p.deploy_runtime ?? ''
      deployRestartCmds.value[p.id] = p.deploy_restart_cmd ?? ''
      linkForms.value[p.id] = { to_project: '', link_type: 'depends_on', description: '' }
      projectLinksMap.value[p.id] = []
    }
    await Promise.all(projects.value.map(p => loadLinks(p.id)))
  } catch (e: unknown) {
    error.value = e instanceof Error ? e.message : String(e)
  }
})

async function saveDeployConfig(projectId: string) {
  savingDeployConfig.value[projectId] = true
  saveDeployConfigStatus.value[projectId] = ''
  try {
    await api.patchProject(projectId, {
      deploy_host: deployHosts.value[projectId],
      deploy_path: deployPaths.value[projectId],
      deploy_runtime: deployRuntimes.value[projectId],
      deploy_restart_cmd: deployRestartCmds.value[projectId],
      deploy_command: deployCommands.value[projectId],
    })
    saveDeployConfigStatus.value[projectId] = 'Saved'
  } catch (e: unknown) {
    saveDeployConfigStatus.value[projectId] = `Error: ${e instanceof Error ? e.message : String(e)}`
  } finally {
    savingDeployConfig.value[projectId] = false
  }
}

async function saveVaultPath(projectId: string) {
  saving.value[projectId] = true
  saveStatus.value[projectId] = ''
  try {
    await api.patchProject(projectId, { obsidian_vault_path: vaultPaths.value[projectId] })
    saveStatus.value[projectId] = 'Saved'
  } catch (e: unknown) {
    saveStatus.value[projectId] = `Error: ${e instanceof Error ? e.message : String(e)}`
  } finally {
    saving.value[projectId] = false
  }
}

async function saveTestCommand(projectId: string) {
  savingTest.value[projectId] = true
  saveTestStatus.value[projectId] = ''
  try {
    await api.patchProject(projectId, { test_command: testCommands.value[projectId] })
    saveTestStatus.value[projectId] = 'Saved'
  } catch (e: unknown) {
    saveTestStatus.value[projectId] = `Error: ${e instanceof Error ? e.message : String(e)}`
  } finally {
    savingTest.value[projectId] = false
  }
}

async function toggleAutoTest(projectId: string) {
  autoTestEnabled.value[projectId] = !autoTestEnabled.value[projectId]
  savingAutoTest.value[projectId] = true
  saveAutoTestStatus.value[projectId] = ''
  try {
    await api.patchProject(projectId, { auto_test_enabled: autoTestEnabled.value[projectId] })
    saveAutoTestStatus.value[projectId] = 'Saved'
  } catch (e: unknown) {
    autoTestEnabled.value[projectId] = !autoTestEnabled.value[projectId]
    saveAutoTestStatus.value[projectId] = `Error: ${e instanceof Error ? e.message : String(e)}`
  } finally {
    savingAutoTest.value[projectId] = false
  }
}

async function runSync(projectId: string) {
  syncing.value[projectId] = true
  syncResults.value[projectId] = null
  saveStatus.value[projectId] = ''
  try {
    await api.patchProject(projectId, { obsidian_vault_path: vaultPaths.value[projectId] })
    syncResults.value[projectId] = await api.syncObsidian(projectId)
  } catch (e: unknown) {
    saveStatus.value[projectId] = `Sync error: ${e instanceof Error ? e.message : String(e)}`
  } finally {
    syncing.value[projectId] = false
  }
}

async function loadLinks(projectId: string) {
  linksLoading.value[projectId] = true
  try {
    projectLinksMap.value[projectId] = await api.projectLinks(projectId)
  } catch (e: unknown) {
    linkError.value[projectId] = e instanceof Error ? e.message : String(e)
  } finally {
    linksLoading.value[projectId] = false
  }
}

async function addLink(projectId: string) {
  const form = linkForms.value[projectId]
  if (!form.to_project) { linkError.value[projectId] = '&#x412;&#x44B;&#x431;&#x435;&#x440;&#x438;&#x442;&#x435; &#x43F;&#x440;&#x43E;&#x435;&#x43A;&#x442;'; return }
  linkSaving.value[projectId] = true
  linkError.value[projectId] = ''
  try {
    await api.createProjectLink({
      from_project: projectId,
      to_project: form.to_project,
      type: form.link_type,
      description: form.description || undefined,
    })
    showAddLinkForm.value[projectId] = false
    linkForms.value[projectId] = { to_project: '', link_type: 'depends_on', description: '' }
    await loadLinks(projectId)
  } catch (e: unknown) {
    linkError.value[projectId] = e instanceof Error ? e.message : String(e)
  } finally {
    linkSaving.value[projectId] = false
  }
}

async function deleteLink(projectId: string, linkId: number) {
  if (!confirm('&#x423;&#x434;&#x430;&#x43B;&#x438;&#x442;&#x44C; &#x441;&#x432;&#x44F;&#x437;&#x44C;?')) return
  try {
    await api.deleteProjectLink(linkId)
    await loadLinks(projectId)
  } catch (e: unknown) {
    linkError.value[projectId] = e instanceof Error ? e.message : String(e)
  }
}
</script>

<template>
  <div>
    <h1 class="text-xl font-semibold text-gray-100 mb-6">Settings</h1>

    <div v-if="error" class="text-red-400 mb-4">{{ error }}</div>

    <div v-for="project in projects" :key="project.id" class="mb-6 p-4 border border-gray-700 rounded-lg">
      <div class="flex items-center gap-3 mb-3">
        <span class="font-medium text-gray-100">{{ project.name }}</span>
        <span class="text-xs text-gray-500 font-mono">{{ project.id }}</span>
      </div>

      <div class="mb-3">
        <label class="block text-xs text-gray-400 mb-1">Obsidian Vault Path</label>
        <input
          v-model="vaultPaths[project.id]"
          type="text"
          placeholder="/path/to/obsidian/vault"
          class="w-full bg-gray-900 border border-gray-700 rounded px-3 py-2 text-sm text-gray-200 font-mono focus:outline-none focus:border-gray-500"
        />
      </div>

      <div class="mb-3">
        <label class="block text-xs text-gray-400 mb-1">Test Command</label>
        <input
          v-model="testCommands[project.id]"
          type="text"
          placeholder="make test"
          class="w-full bg-gray-900 border border-gray-700 rounded px-3 py-2 text-sm text-gray-200 font-mono focus:outline-none focus:border-gray-500"
        />
        <p class="text-xs text-gray-600 mt-1">&#x41A;&#x43E;&#x43C;&#x430;&#x43D;&#x434;&#x430; &#x437;&#x430;&#x43F;&#x443;&#x441;&#x43A;&#x430; &#x442;&#x435;&#x441;&#x442;&#x43E;&#x432;, &#x432;&#x44B;&#x43F;&#x43E;&#x43B;&#x43D;&#x44F;&#x435;&#x442;&#x441;&#x44F; &#x447;&#x435;&#x440;&#x435;&#x437; shell &#x432; &#x434;&#x438;&#x440;&#x435;&#x43A;&#x442;&#x43E;&#x440;&#x438;&#x438; &#x43F;&#x440;&#x43E;&#x435;&#x43A;&#x442;&#x430;.</p>
      </div>

      <div class="flex items-center gap-3 flex-wrap mb-3">
        <button
          @click="saveTestCommand(project.id)"
          :disabled="savingTest[project.id]"
          class="px-3 py-1.5 text-sm bg-gray-700 hover:bg-gray-600 text-gray-200 rounded disabled:opacity-50"
        >
          {{ savingTest[project.id] ? 'Saving&#x2026;' : 'Save Test' }}
        </button>
        <span v-if="saveTestStatus[project.id]" class="text-xs" :class="saveTestStatus[project.id].startsWith('Error') ? 'text-red-400' : 'text-green-400'">
          {{ saveTestStatus[project.id] }}
        </span>
      </div>

      <!-- Deploy Config -->
      <div class="mb-2 pt-2 border-t border-gray-800">
        <p class="text-xs font-semibold text-gray-400 mb-2">Deploy Config</p>
        <div class="mb-2">
          <label class="block text-xs text-gray-500 mb-1">Server host</label>
          <input
            v-model="deployHosts[project.id]"
            type="text"
            placeholder="server host (e.g. vdp-prod)"
            class="w-full bg-gray-800 border border-gray-700 rounded px-3 py-2 text-sm text-gray-200 font-mono focus:outline-none focus:border-gray-500"
          />
        </div>
        <div class="mb-2">
          <label class="block text-xs text-gray-500 mb-1">Project path on server</label>
          <input
            v-model="deployPaths[project.id]"
            type="text"
            placeholder="/srv/myproject"
            class="w-full bg-gray-800 border border-gray-700 rounded px-3 py-2 text-sm text-gray-200 font-mono focus:outline-none focus:border-gray-500"
          />
        </div>
        <div class="mb-2">
          <label class="block text-xs text-gray-500 mb-1">Runtime</label>
          <select
            v-model="deployRuntimes[project.id]"
            class="w-full bg-gray-800 border border-gray-700 rounded px-3 py-2 text-sm text-gray-300 focus:outline-none focus:border-gray-500"
          >
            <option value="">&#x2014; &#x432;&#x44B;&#x431;&#x435;&#x440;&#x438;&#x442;&#x435; runtime &#x2014;</option>
            <option value="docker">docker</option>
            <option value="node">node</option>
            <option value="python">python</option>
            <option value="static">static</option>
          </select>
        </div>
        <div class="mb-2">
          <label class="block text-xs text-gray-500 mb-1">Restart command (optional override)</label>
          <input
            v-model="deployRestartCmds[project.id]"
            type="text"
            placeholder="optional override command"
            class="w-full bg-gray-800 border border-gray-700 rounded px-3 py-2 text-sm text-gray-200 font-mono focus:outline-none focus:border-gray-500"
          />
        </div>
        <div class="mb-2">
          <label class="block text-xs text-gray-500 mb-1">Fallback command (legacy, used when runtime not set)</label>
          <input
            v-model="deployCommands[project.id]"
            type="text"
            placeholder="git push origin main"
            class="w-full bg-gray-800 border border-gray-700 rounded px-3 py-2 text-sm text-gray-200 font-mono focus:outline-none focus:border-gray-500"
          />
        </div>
        <div class="flex items-center gap-3 flex-wrap mb-3">
          <button
            @click="saveDeployConfig(project.id)"
            :disabled="savingDeployConfig[project.id]"
            class="px-3 py-1.5 text-sm bg-teal-900/50 text-teal-400 border border-teal-800 rounded hover:bg-teal-900 disabled:opacity-50"
          >
            {{ savingDeployConfig[project.id] ? 'Saving&#x2026;' : 'Save Deploy Config' }}
          </button>
          <span v-if="saveDeployConfigStatus[project.id]" class="text-xs" :class="saveDeployConfigStatus[project.id].startsWith('Error') ? 'text-red-400' : 'text-green-400'">
            {{ saveDeployConfigStatus[project.id] }}
          </span>
        </div>
      </div>

      <!-- Project Links -->
      <div class="mb-2 pt-2 border-t border-gray-800">
        <div class="flex items-center justify-between mb-2">
          <p class="text-xs font-semibold text-gray-400">Project Links</p>
          <button
            @click="showAddLinkForm[project.id] = !showAddLinkForm[project.id]"
            class="px-2 py-0.5 text-xs bg-gray-800 text-gray-300 border border-gray-700 rounded hover:bg-gray-700"
          >
            + Add Link
          </button>
        </div>
        <p v-if="linksLoading[project.id]" class="text-xs text-gray-500">&#x417;&#x430;&#x433;&#x440;&#x443;&#x437;&#x43A;&#x430;...</p>
        <p v-else-if="linkError[project.id]" class="text-xs text-red-400">{{ linkError[project.id] }}</p>
        <div v-else-if="!projectLinksMap[project.id]?.length" class="text-xs text-gray-600">&#x41D;&#x435;&#x442; &#x441;&#x432;&#x44F;&#x437;&#x435;&#x439;</div>
        <div v-else class="space-y-1 mb-2">
          <div v-for="link in projectLinksMap[project.id]" :key="link.id"
            class="flex items-center gap-2 px-2 py-1 bg-gray-900 border border-gray-800 rounded text-xs">
            <span class="text-gray-500 font-mono">{{ link.from_project }}</span>
            <span class="text-gray-600">&#x2192;</span>
            <span class="text-gray-500 font-mono">{{ link.to_project }}</span>
            <span class="px-1 bg-indigo-900/30 text-indigo-400 border border-indigo-800 rounded">{{ link.type }}</span>
            <span v-if="link.description" class="text-gray-600">{{ link.description }}</span>
            <button @click="deleteLink(project.id, link.id)"
              class="ml-auto text-red-500 hover:text-red-400 bg-transparent border-none cursor-pointer text-xs shrink-0">
              &#x2715;
            </button>
          </div>
        </div>
        <form v-if="showAddLinkForm[project.id]" @submit.prevent="addLink(project.id)" class="space-y-2 p-2 bg-gray-900 border border-gray-800 rounded">
          <div>
            <label class="block text-[10px] text-gray-500 mb-0.5">From (current)</label>
            <input :value="project.id" disabled class="w-full bg-gray-800 border border-gray-700 rounded px-2 py-1 text-xs text-gray-500 font-mono" />
          </div>
          <div>
            <label class="block text-[10px] text-gray-500 mb-0.5">To project</label>
            <select v-model="linkForms[project.id].to_project" required
              class="w-full bg-gray-800 border border-gray-700 rounded px-2 py-1 text-xs text-gray-300">
              <option value="">&#x2014; &#x432;&#x44B;&#x431;&#x435;&#x440;&#x438;&#x442;&#x435; &#x43F;&#x440;&#x43E;&#x435;&#x43A;&#x442; &#x2014;</option>
              <option v-for="p in allProjectList.filter(p => p.id !== project.id)" :key="p.id" :value="p.id">{{ p.id }} &#x2014; {{ p.name }}</option>
            </select>
          </div>
          <div>
            <label class="block text-[10px] text-gray-500 mb-0.5">Link type</label>
            <select v-model="linkForms[project.id].link_type"
              class="w-full bg-gray-800 border border-gray-700 rounded px-2 py-1 text-xs text-gray-300">
              <option value="depends_on">depends_on</option>
              <option value="triggers">triggers</option>
              <option value="related_to">related_to</option>
            </select>
          </div>
          <div>
            <label class="block text-[10px] text-gray-500 mb-0.5">Description (optional)</label>
            <input v-model="linkForms[project.id].description" placeholder="e.g. API used by frontend"
              class="w-full bg-gray-800 border border-gray-700 rounded px-2 py-1 text-xs text-gray-200 placeholder-gray-600" />
          </div>
          <div class="flex gap-2">
            <button type="submit" :disabled="linkSaving[project.id]"
              class="px-3 py-1 text-xs bg-blue-900/50 text-blue-400 border border-blue-800 rounded hover:bg-blue-900 disabled:opacity-50">
              {{ linkSaving[project.id] ? 'Saving...' : 'Add' }}
            </button>
            <button type="button" @click="showAddLinkForm[project.id] = false; linkError[project.id] = ''"
              class="px-3 py-1 text-xs text-gray-500 hover:text-gray-300 bg-transparent border-none cursor-pointer">
              &#x41E;&#x442;&#x43C;&#x435;&#x43D;&#x430;
            </button>
          </div>
        </form>
      </div>

      <div class="flex items-center gap-3 mb-3">
        <label class="flex items-center gap-2 cursor-pointer select-none">
          <input
            type="checkbox"
            :checked="autoTestEnabled[project.id]"
            @change="toggleAutoTest(project.id)"
            :disabled="savingAutoTest[project.id]"
            class="w-4 h-4 rounded border-gray-600 bg-gray-800 accent-blue-500 cursor-pointer disabled:opacity-50"
          />
          <span class="text-sm text-gray-300">Auto-test</span>
          <span class="text-xs text-gray-500">&#x2014; &#x437;&#x430;&#x43F;&#x443;&#x441;&#x43A;&#x430;&#x442;&#x44C; &#x442;&#x435;&#x441;&#x442;&#x44B; &#x430;&#x432;&#x442;&#x43E;&#x43C;&#x430;&#x442;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x438; &#x43F;&#x43E;&#x441;&#x43B;&#x435; pipeline</span>
        </label>
        <span v-if="saveAutoTestStatus[project.id]" class="text-xs" :class="saveAutoTestStatus[project.id].startsWith('Error') ? 'text-red-400' : 'text-green-400'">
          {{ saveAutoTestStatus[project.id] }}
        </span>
      </div>

      <div class="flex items-center gap-3 flex-wrap">
        <button
          @click="saveVaultPath(project.id)"
          :disabled="saving[project.id]"
          class="px-3 py-1.5 text-sm bg-gray-700 hover:bg-gray-600 text-gray-200 rounded disabled:opacity-50"
        >
          {{ saving[project.id] ? 'Saving&#x2026;' : 'Save Vault' }}
        </button>

        <button
          @click="runSync(project.id)"
          :disabled="syncing[project.id] || !vaultPaths[project.id]"
          class="px-3 py-1.5 text-sm bg-indigo-700 hover:bg-indigo-600 text-white rounded disabled:opacity-50"
        >
          {{ syncing[project.id] ? 'Syncing&#x2026;' : 'Sync Obsidian' }}
        </button>

        <span v-if="saveStatus[project.id]" class="text-xs" :class="saveStatus[project.id].startsWith('Error') ? 'text-red-400' : 'text-green-400'">
          {{ saveStatus[project.id] }}
        </span>
      </div>

      <div v-if="syncResults[project.id]" class="mt-3 p-3 bg-gray-900 rounded text-xs text-gray-300">
        <div>Exported: <span class="text-green-400 font-medium">{{ syncResults[project.id]!.exported_decisions }}</span> decisions</div>
        <div>Updated: <span class="text-green-400 font-medium">{{ syncResults[project.id]!.tasks_updated }}</span> tasks</div>
        <div v-if="syncResults[project.id]!.errors.length > 0" class="mt-1">
          <div v-for="err in syncResults[project.id]!.errors" :key="err" class="text-red-400">{{ err }}</div>
        </div>
      </div>

    </div>
  </div>
</template>
