<script setup lang="ts">
import { ref, onMounted } from 'vue'
import { useRouter } from 'vue-router'
import { Card, List, Typography, Spin, message, Button, Modal, Form, Input } from 'ant-design-vue'
import { apiClient, isAxiosError, API } from '../router/api'
import type { Organization } from '../types/organization'
import { useUserStore } from '../stores/userStore'

const router = useRouter()
const auth = useUserStore()
const organizations = ref<Organization[]>([])
const loading = ref(false)
const creatingOrganization = ref(false)
const showCreateOrgModal = ref(false)
const createOrgForm = ref({
    name: '',
    description: '',
})

const fetchOrganizations = async () => {
    loading.value = true
    try {
        const resp = await apiClient.get<Organization[]>(API.organization.list())
        organizations.value = resp.data || []

        if (organizations.value.length === 1 && !auth.isGeneralManager) {
            const onlyOrg = organizations.value[0]
            await router.replace(`/organization/${onlyOrg.uuid}`)
        }
    } catch (err: unknown) {
        console.error('Failed to fetch organizations:', err)
        if (isAxiosError(err)) {
            message.error(
                err.response?.data?.error ||
                    err.response?.data?.detail ||
                    'Failed to load organizations',
            )
        } else if (err instanceof Error) {
            message.error(err.message)
        } else {
            message.error('Failed to load organizations')
        }
    } finally {
        loading.value = false
    }
}

onMounted(() => {
    auth.fetchSession(true)
    fetchOrganizations()
})

const openOrg = (org: Organization) => {
    router.push(`/organization/${org.uuid}`)
}

const resetCreateOrganizationForm = () => {
    createOrgForm.value = { name: '', description: '' }
}

const handleCreateOrganization = async () => {
    if (!auth.isGeneralManager) {
        message.error('Only managers can create organizations')
        return
    }

    const name = createOrgForm.value.name.trim()
    const description = createOrgForm.value.description.trim()

    if (!name) {
        message.error('Organization name is required')
        return
    }

    creatingOrganization.value = true
    try {
        const response = await apiClient.post<Organization>(API.organization.list(), {
            name,
            description,
        })
        message.success('Organization created successfully')
        showCreateOrgModal.value = false
        resetCreateOrganizationForm()
        await fetchOrganizations()
        router.push(`/organization/${response.data.uuid}`)
    } catch (error) {
        console.error('Failed to create organization:', error)
        if (isAxiosError(error)) {
            message.error(error.response?.data?.error || 'Failed to create organization')
        } else {
            message.error('Failed to create organization')
        }
    } finally {
        creatingOrganization.value = false
    }
}
</script>

<template>
    <div class="page">
        <Spin :spinning="loading" tip="Loading organizations...">
            <Card class="panel" :bordered="false">
                <div class="header">
                    <Typography.Title :level="2">Organizations</Typography.Title>
                    <div class="header-actions">
                        <Button type="primary" @click="fetchOrganizations">Refresh</Button>
                        <Button v-if="auth.isGeneralManager" @click="showCreateOrgModal = true">
                            Create Organization
                        </Button>
                    </div>
                </div>

                <div v-if="organizations.length > 0">
                    <List :data-source="organizations" :bordered="false">
                        <template #renderItem="{ item }">
                            <List.Item>
                                <List.Item.Meta
                                    :title="item.name"
                                    :description="item.description || 'No description provided'"
                                />
                                <div>
                                    <Button size="small" type="primary" @click="openOrg(item)">
                                        Open
                                    </Button>
                                </div>
                            </List.Item>
                        </template>
                    </List>
                </div>
                <Typography.Paragraph v-else type="secondary">
                    No organizations found.
                </Typography.Paragraph>
            </Card>
        </Spin>

        <Modal
            v-model:open="showCreateOrgModal"
            title="Create Organization"
            ok-text="Create"
            cancel-text="Cancel"
            :ok-button-props="{ loading: creatingOrganization }"
            @ok="handleCreateOrganization"
            @cancel="resetCreateOrganizationForm"
        >
            <Form layout="vertical">
                <Form.Item label="Organization Name" required>
                    <Input
                        v-model:value="createOrgForm.name"
                        placeholder="Enter organization name"
                        :maxlength="120"
                    />
                </Form.Item>
                <Form.Item label="Description">
                    <Input.TextArea
                        v-model:value="createOrgForm.description"
                        placeholder="Enter organization description"
                        :rows="4"
                        :maxlength="1000"
                    />
                </Form.Item>
            </Form>
        </Modal>
    </div>
</template>

<style scoped>
.page {
    padding: 1rem;
}
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}
</style>
